[INFO] fetching crate chunk_store 0.4.1...
[INFO] testing chunk_store-0.4.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate chunk_store 0.4.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate chunk_store 0.4.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chunk_store 0.4.1
[INFO] finished tweaking crates.io crate chunk_store 0.4.1
[INFO] tweaked toml for crates.io crate chunk_store 0.4.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed0ec0e95b8cfd654948fc1286461565bfe0d650d5ca2c922fb488a933518808
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ed0ec0e95b8cfd654948fc1286461565bfe0d650d5ca2c922fb488a933518808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed0ec0e95b8cfd654948fc1286461565bfe0d650d5ca2c922fb488a933518808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed0ec0e95b8cfd654948fc1286461565bfe0d650d5ca2c922fb488a933518808", kill_on_drop: false }`
[INFO] [stdout] ed0ec0e95b8cfd654948fc1286461565bfe0d650d5ca2c922fb488a933518808
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fcdbaa35a302963118962c37eb6f62d35981697a65ec9afba8ea956c08c5ddd9
[INFO] running `Command { std: "docker" "start" "-a" "fcdbaa35a302963118962c37eb6f62d35981697a65ec9afba8ea956c08c5ddd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling bytes v0.3.0
[INFO] [stderr]    Compiling slab v0.1.3
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling serde v0.7.15
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling sha1 v0.1.1
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling miow v0.1.5
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling mio v0.5.1
[INFO] [stderr]    Compiling toml v0.1.30
[INFO] [stderr]    Compiling bincode v0.5.9
[INFO] [stderr]    Compiling ws v0.4.8
[INFO] [stderr]    Compiling log4rs v0.3.3
[INFO] [stderr]    Compiling maidsafe_utilities v0.6.0
[INFO] [stderr]    Compiling chunk_store v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `exceeding_bitshifts` has been renamed to `arithmetic_overflow`
[INFO] [stdout]   --> src/lib.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![forbid(bad_style, exceeding_bitshifts, mutable_transmutes, no_mangle_const_items,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^ help: use the new name: `arithmetic_overflow`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `drop_with_repr_extern` has been removed: drop flags have been removed
[INFO] [stdout]   --> src/lib.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 | #![deny(deprecated, drop_with_repr_extern, improper_ctypes, missing_docs,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |           unknown_crate_types, warnings)]
[INFO] [stdout]    |                                ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stdout]   --> src/lib.rs:31:61
[INFO] [stdout]    |
[INFO] [stdout] 31 |         non_shorthand_field_patterns, overflowing_literals, plugin_as_library,
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_fns` has been removed: no longer a warning, `#[no_mangle]` functions always exported
[INFO] [stdout]   --> src/lib.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_statics` has been removed: no longer a warning, `#[no_mangle]` statics always exported
[INFO] [stdout]   --> src/lib.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |         private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `fat_ptr_transmutes` has been removed: was accidentally removed back in 2014
[INFO] [stdout]   --> src/lib.rs:37:24
[INFO] [stdout]    |
[INFO] [stdout] 37 | #![allow(box_pointers, fat_ptr_transmutes, missing_copy_implementations,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:33:37
[INFO] [stdout]    |
[INFO] [stdout] 33 |         unknown_lints, unsafe_code, unused, unused_allocation, unused_attributes,
[INFO] [stdout]    |                                     ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chunk_store.rs:114:32
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let serialised_value = try!(serialisation::serialise(value));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:30:9
[INFO] [stdout]     |
[INFO] [stdout] 30  | #![deny(deprecated, drop_with_repr_extern, improper_ctypes, missing_docs,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chunk_store.rs:120:25
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let file_path = try!(self.file_path(key));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chunk_store.rs:141:25
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let file_path = try!(self.file_path(key));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chunk_store.rs:149:30
[INFO] [stdout]     |
[INFO] [stdout] 149 |         match fs::File::open(try!(self.file_path(key))) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chunk_store.rs:152:25
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 let _ = try!(file.read_to_end(&mut contents));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chunk_store.rs:153:20
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 Ok(try!(serialisation::deserialise::<Value>(&contents)))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chunk_store.rs:208:24
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let filename = try!(serialisation::serialise(key)).to_hex();
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/test.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / macro_rules! assert_err {
[INFO] [stdout] 19 | |     ($cond : expr, $error : pat) => {
[INFO] [stdout] 20 | |         match $cond {
[INFO] [stdout] 21 | |             Err($error) => (),
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:33:37
[INFO] [stdout]    |
[INFO] [stdout] 33 |         unknown_lints, unsafe_code, unused, unused_allocation, unused_attributes,
[INFO] [stdout]    |                                     ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_macros)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.88s
[INFO] running `Command { std: "docker" "inspect" "fcdbaa35a302963118962c37eb6f62d35981697a65ec9afba8ea956c08c5ddd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcdbaa35a302963118962c37eb6f62d35981697a65ec9afba8ea956c08c5ddd9", kill_on_drop: false }`
[INFO] [stdout] fcdbaa35a302963118962c37eb6f62d35981697a65ec9afba8ea956c08c5ddd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43be3536f527728d2b72bfe75be2052a6db55cdfe1fb24821721d96264b9230c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "43be3536f527728d2b72bfe75be2052a6db55cdfe1fb24821721d96264b9230c", kill_on_drop: false }`
[INFO] [stdout] warning: lint `exceeding_bitshifts` has been renamed to `arithmetic_overflow`
[INFO] [stdout]   --> src/lib.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![forbid(bad_style, exceeding_bitshifts, mutable_transmutes, no_mangle_const_items,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^ help: use the new name: `arithmetic_overflow`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `drop_with_repr_extern` has been removed: drop flags have been removed
[INFO] [stdout]   --> src/lib.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 | #![deny(deprecated, drop_with_repr_extern, improper_ctypes, missing_docs,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |           unknown_crate_types, warnings)]
[INFO] [stdout]    |                                ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stdout]   --> src/lib.rs:31:61
[INFO] [stdout]    |
[INFO] [stdout] 31 |         non_shorthand_field_patterns, overflowing_literals, plugin_as_library,
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_fns` has been removed: no longer a warning, `#[no_mangle]` functions always exported
[INFO] [stdout]   --> src/lib.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_statics` has been removed: no longer a warning, `#[no_mangle]` statics always exported
[INFO] [stdout]   --> src/lib.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |         private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `fat_ptr_transmutes` has been removed: was accidentally removed back in 2014
[INFO] [stdout]   --> src/lib.rs:37:24
[INFO] [stdout]    |
[INFO] [stdout] 37 | #![allow(box_pointers, fat_ptr_transmutes, missing_copy_implementations,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:33:37
[INFO] [stdout]    |
[INFO] [stdout] 33 |         unknown_lints, unsafe_code, unused, unused_allocation, unused_attributes,
[INFO] [stdout]    |                                     ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chunk_store.rs:114:32
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let serialised_value = try!(serialisation::serialise(value));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:30:9
[INFO] [stdout]     |
[INFO] [stdout] 30  | #![deny(deprecated, drop_with_repr_extern, improper_ctypes, missing_docs,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chunk_store.rs:120:25
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let file_path = try!(self.file_path(key));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chunk_store.rs:141:25
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let file_path = try!(self.file_path(key));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chunk_store.rs:149:30
[INFO] [stdout]     |
[INFO] [stdout] 149 |         match fs::File::open(try!(self.file_path(key))) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chunk_store.rs:152:25
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 let _ = try!(file.read_to_end(&mut contents));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chunk_store.rs:153:20
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 Ok(try!(serialisation::deserialise::<Value>(&contents)))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chunk_store.rs:208:24
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let filename = try!(serialisation::serialise(key)).to_hex();
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/test.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / macro_rules! assert_err {
[INFO] [stdout] 19 | |     ($cond : expr, $error : pat) => {
[INFO] [stdout] 20 | |         match $cond {
[INFO] [stdout] 21 | |             Err($error) => (),
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |     }
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:33:37
[INFO] [stdout]    |
[INFO] [stdout] 33 |         unknown_lints, unsafe_code, unused, unused_allocation, unused_attributes,
[INFO] [stdout]    |                                     ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_macros)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chunk_store v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `exceeding_bitshifts` has been renamed to `arithmetic_overflow`
[INFO] [stdout]   --> src/lib.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![forbid(bad_style, exceeding_bitshifts, mutable_transmutes, no_mangle_const_items,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^ help: use the new name: `arithmetic_overflow`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `drop_with_repr_extern` has been removed: drop flags have been removed
[INFO] [stdout]   --> src/lib.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 | #![deny(deprecated, drop_with_repr_extern, improper_ctypes, missing_docs,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |           unknown_crate_types, warnings)]
[INFO] [stdout]    |                                ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stdout]   --> src/lib.rs:31:61
[INFO] [stdout]    |
[INFO] [stdout] 31 |         non_shorthand_field_patterns, overflowing_literals, plugin_as_library,
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_fns` has been removed: no longer a warning, `#[no_mangle]` functions always exported
[INFO] [stdout]   --> src/lib.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_statics` has been removed: no longer a warning, `#[no_mangle]` statics always exported
[INFO] [stdout]   --> src/lib.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |         private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `fat_ptr_transmutes` has been removed: was accidentally removed back in 2014
[INFO] [stdout]   --> src/lib.rs:37:24
[INFO] [stdout]    |
[INFO] [stdout] 37 | #![allow(box_pointers, fat_ptr_transmutes, missing_copy_implementations,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chunk_store.rs:114:32
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let serialised_value = try!(serialisation::serialise(value));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:30:9
[INFO] [stdout]     |
[INFO] [stdout] 30  | #![deny(deprecated, drop_with_repr_extern, improper_ctypes, missing_docs,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chunk_store.rs:120:25
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let file_path = try!(self.file_path(key));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chunk_store.rs:141:25
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let file_path = try!(self.file_path(key));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chunk_store.rs:149:30
[INFO] [stdout]     |
[INFO] [stdout] 149 |         match fs::File::open(try!(self.file_path(key))) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chunk_store.rs:152:25
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 let _ = try!(file.read_to_end(&mut contents));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chunk_store.rs:153:20
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 Ok(try!(serialisation::deserialise::<Value>(&contents)))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/chunk_store.rs:208:24
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let filename = try!(serialisation::serialise(key)).to_hex();
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "43be3536f527728d2b72bfe75be2052a6db55cdfe1fb24821721d96264b9230c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43be3536f527728d2b72bfe75be2052a6db55cdfe1fb24821721d96264b9230c", kill_on_drop: false }`
[INFO] [stdout] 43be3536f527728d2b72bfe75be2052a6db55cdfe1fb24821721d96264b9230c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3881c524837af2b6aec93ef996fc78ef791ac6c8655339a79529ab449c241c3b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3881c524837af2b6aec93ef996fc78ef791ac6c8655339a79529ab449c241c3b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: lint `exceeding_bitshifts` has been renamed to `arithmetic_overflow`
[INFO] [stdout] running 9 tests
[INFO] [stderr]   --> src/lib.rs:28:22
[INFO] [stdout] test test::test::failed_put_when_not_enough_space ... ok
[INFO] [stderr]    |
[INFO] [stdout] test test::test::get_fails_when_key_does_not_exist ... ok
[INFO] [stderr] 28 | #![forbid(bad_style, exceeding_bitshifts, mutable_transmutes, no_mangle_const_items,
[INFO] [stdout] test test::test::tempdir_cleanup ... ok
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: use the new name: `arithmetic_overflow`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint `drop_with_repr_extern` has been removed: drop flags have been removed
[INFO] [stderr]   --> src/lib.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 | #![deny(deprecated, drop_with_repr_extern, improper_ctypes, missing_docs,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:29:32
[INFO] [stderr]    |
[INFO] [stderr] 29 |           unknown_crate_types, warnings)]
[INFO] [stderr]    |                                ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stderr]   --> src/lib.rs:31:61
[INFO] [stderr]    |
[INFO] [stderr] 31 |         non_shorthand_field_patterns, overflowing_literals, plugin_as_library,
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_fns` has been removed: no longer a warning, `#[no_mangle]` functions always exported
[INFO] [stderr]   --> src/lib.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_statics` has been removed: no longer a warning, `#[no_mangle]` statics always exported
[INFO] [stderr]   --> src/lib.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 |         private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `fat_ptr_transmutes` has been removed: was accidentally removed back in 2014
[INFO] [stderr]   --> src/lib.rs:37:24
[INFO] [stderr]    |
[INFO] [stderr] 37 | #![allow(box_pointers, fat_ptr_transmutes, missing_copy_implementations,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:33:37
[INFO] [stderr]    |
[INFO] [stderr] 33 |         unknown_lints, unsafe_code, unused, unused_allocation, unused_attributes,
[INFO] [stderr]    |                                     ^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/chunk_store.rs:114:32
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let serialised_value = try!(serialisation::serialise(value));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:30:9
[INFO] [stderr]     |
[INFO] [stderr] 30  | #![deny(deprecated, drop_with_repr_extern, improper_ctypes, missing_docs,
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/chunk_store.rs:120:25
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let file_path = try!(self.file_path(key));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/chunk_store.rs:141:25
[INFO] [stderr]     |
[INFO] [stderr] 141 |         let file_path = try!(self.file_path(key));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/chunk_store.rs:149:30
[INFO] [stderr]     |
[INFO] [stderr] 149 |         match fs::File::open(try!(self.file_path(key))) {
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/chunk_store.rs:152:25
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 let _ = try!(file.read_to_end(&mut contents));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/chunk_store.rs:153:20
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 Ok(try!(serialisation::deserialise::<Value>(&contents)))
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/chunk_store.rs:208:24
[INFO] [stderr]     |
[INFO] [stderr] 208 |         let filename = try!(serialisation::serialise(key)).to_hex();
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/test.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / macro_rules! assert_err {
[INFO] [stderr] 19 | |     ($cond : expr, $error : pat) => {
[INFO] [stderr] 20 | |         match $cond {
[INFO] [stderr] 21 | |             Err($error) => (),
[INFO] [stderr] ...  |
[INFO] [stderr] 24 | |     }
[INFO] [stderr] 25 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:33:37
[INFO] [stderr]    |
[INFO] [stderr] 33 |         unknown_lints, unsafe_code, unused, unused_allocation, unused_attributes,
[INFO] [stderr]    |                                     ^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_macros)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: lint `exceeding_bitshifts` has been renamed to `arithmetic_overflow`
[INFO] [stderr]   --> src/lib.rs:28:22
[INFO] [stderr]    |
[INFO] [stderr] 28 | #![forbid(bad_style, exceeding_bitshifts, mutable_transmutes, no_mangle_const_items,
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: use the new name: `arithmetic_overflow`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint `drop_with_repr_extern` has been removed: drop flags have been removed
[INFO] [stderr]   --> src/lib.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 | #![deny(deprecated, drop_with_repr_extern, improper_ctypes, missing_docs,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:29:32
[INFO] [stderr]    |
[INFO] [stderr] 29 |           unknown_crate_types, warnings)]
[INFO] [stderr]    |                                ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stderr]   --> src/lib.rs:31:61
[INFO] [stderr]    |
[INFO] [stderr] 31 |         non_shorthand_field_patterns, overflowing_literals, plugin_as_library,
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_fns` has been removed: no longer a warning, `#[no_mangle]` functions always exported
[INFO] [stderr]   --> src/lib.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_statics` has been removed: no longer a warning, `#[no_mangle]` statics always exported
[INFO] [stderr]   --> src/lib.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 |         private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `fat_ptr_transmutes` has been removed: was accidentally removed back in 2014
[INFO] [stderr]   --> src/lib.rs:37:24
[INFO] [stderr]    |
[INFO] [stderr] 37 | #![allow(box_pointers, fat_ptr_transmutes, missing_copy_implementations,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/chunk_store.rs:114:32
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let serialised_value = try!(serialisation::serialise(value));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:30:9
[INFO] [stderr]     |
[INFO] [stderr] 30  | #![deny(deprecated, drop_with_repr_extern, improper_ctypes, missing_docs,
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/chunk_store.rs:120:25
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let file_path = try!(self.file_path(key));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/chunk_store.rs:141:25
[INFO] [stderr]     |
[INFO] [stderr] 141 |         let file_path = try!(self.file_path(key));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/chunk_store.rs:149:30
[INFO] [stderr]     |
[INFO] [stderr] 149 |         match fs::File::open(try!(self.file_path(key))) {
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/chunk_store.rs:152:25
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 let _ = try!(file.read_to_end(&mut contents));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/chunk_store.rs:153:20
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 Ok(try!(serialisation::deserialise::<Value>(&contents)))
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/chunk_store.rs:208:24
[INFO] [stderr]     |
[INFO] [stderr] 208 |         let filename = try!(serialisation::serialise(key)).to_hex();
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chunk_store-8eff634ced52d1bd)
[INFO] [stdout] test test::test::create_multiple_instances_in_the_same_root ... ok
[INFO] [stdout] test test::test::successful_put ... ok
[INFO] [stdout] test test::test::put_and_get_value_should_be_same ... ok
[INFO] [stdout] test test::test::overwrite_value ... ok
[INFO] [stdout] test test::test::delete ... ok
[INFO] [stdout] test test::test::keys ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.39s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chunk_store
[INFO] [stderr] warning: lint `exceeding_bitshifts` has been renamed to `arithmetic_overflow`
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:28:22
[INFO] [stderr]    |
[INFO] [stderr] 28 | #![forbid(bad_style, exceeding_bitshifts, mutable_transmutes, no_mangle_const_items,
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: use the new name: `arithmetic_overflow`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: lint `drop_with_repr_extern` has been removed: drop flags have been removed
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 | #![deny(deprecated, drop_with_repr_extern, improper_ctypes, missing_docs,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:29:32
[INFO] [stderr]    |
[INFO] [stderr] 29 |           unknown_crate_types, warnings)]
[INFO] [stderr]    |                                ^^^^^^^^
[INFO] [stderr]    = note: `#[forbid(renamed_and_removed_lints)]` implied by `#[forbid(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:31:61
[INFO] [stderr]    |
[INFO] [stderr] 31 |         non_shorthand_field_patterns, overflowing_literals, plugin_as_library,
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: lint `private_no_mangle_fns` has been removed: no longer a warning, `#[no_mangle]` functions always exported
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: lint `private_no_mangle_statics` has been removed: no longer a warning, `#[no_mangle]` statics always exported
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 |         private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: lint `fat_ptr_transmutes` has been removed: was accidentally removed back in 2014
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:37:24
[INFO] [stderr]    |
[INFO] [stderr] 37 | #![allow(box_pointers, fat_ptr_transmutes, missing_copy_implementations,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "3881c524837af2b6aec93ef996fc78ef791ac6c8655339a79529ab449c241c3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3881c524837af2b6aec93ef996fc78ef791ac6c8655339a79529ab449c241c3b", kill_on_drop: false }`
[INFO] [stdout] 3881c524837af2b6aec93ef996fc78ef791ac6c8655339a79529ab449c241c3b
