[INFO] fetching crate serde_canonical 0.1.0...
[INFO] testing serde_canonical-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate serde_canonical 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate serde_canonical 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_canonical 0.1.0
[INFO] finished tweaking crates.io crate serde_canonical 0.1.0
[INFO] tweaked toml for crates.io crate serde_canonical 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb238db57b13332e9e733d1b589e5696e1a8a6e1cb9212e2befd06d37c78dabb
[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" "cb238db57b13332e9e733d1b589e5696e1a8a6e1cb9212e2befd06d37c78dabb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb238db57b13332e9e733d1b589e5696e1a8a6e1cb9212e2befd06d37c78dabb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb238db57b13332e9e733d1b589e5696e1a8a6e1cb9212e2befd06d37c78dabb", kill_on_drop: false }`
[INFO] [stdout] cb238db57b13332e9e733d1b589e5696e1a8a6e1cb9212e2befd06d37c78dabb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9338fb88ff4dcd5e8234d36309029b4e6dac5d0d0011c6e830bd307047a06d21
[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" "9338fb88ff4dcd5e8234d36309029b4e6dac5d0d0011c6e830bd307047a06d21", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling serde_canonical v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:15:37
[INFO] [stdout]    |
[INFO] [stdout] 15 |             Error::Io(ref error) => error::Error::description(error),
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: outlives requirements can be inferred
[INFO] [stdout]    --> src/ser.rs:340:24
[INFO] [stdout]     |
[INFO] [stdout] 340 | pub enum Compound<'a, W: 'a>
[INFO] [stdout]     |                        ^^^^ help: remove this bound
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:9
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![warn(rust_2018_idioms)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(explicit_outlives_requirements)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: outlives requirements can be inferred
[INFO] [stdout]    --> src/ser.rs:463:34
[INFO] [stdout]     |
[INFO] [stdout] 463 | pub enum OrderedKeyCompound<'a, W: 'a>
[INFO] [stdout]     |                                  ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.75s
[INFO] running `Command { std: "docker" "inspect" "9338fb88ff4dcd5e8234d36309029b4e6dac5d0d0011c6e830bd307047a06d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9338fb88ff4dcd5e8234d36309029b4e6dac5d0d0011c6e830bd307047a06d21", kill_on_drop: false }`
[INFO] [stdout] 9338fb88ff4dcd5e8234d36309029b4e6dac5d0d0011c6e830bd307047a06d21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0135008da0a47728859d997d598c95e3452d5afa51d685e1d43f84009b07ffb
[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" "a0135008da0a47728859d997d598c95e3452d5afa51d685e1d43f84009b07ffb", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_canonical v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:15:37
[INFO] [stdout]    |
[INFO] [stdout] 15 |             Error::Io(ref error) => error::Error::description(error),
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: outlives requirements can be inferred
[INFO] [stdout]    --> src/ser.rs:340:24
[INFO] [stdout]     |
[INFO] [stdout] 340 | pub enum Compound<'a, W: 'a>
[INFO] [stdout]     |                        ^^^^ help: remove this bound
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:9
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![warn(rust_2018_idioms)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(explicit_outlives_requirements)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: outlives requirements can be inferred
[INFO] [stdout]    --> src/ser.rs:463:34
[INFO] [stdout]     |
[INFO] [stdout] 463 | pub enum OrderedKeyCompound<'a, W: 'a>
[INFO] [stdout]     |                                  ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:15:37
[INFO] [stdout]    |
[INFO] [stdout] 15 |             Error::Io(ref error) => error::Error::description(error),
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:24
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: outlives requirements can be inferred
[INFO] [stdout]    --> src/ser.rs:340:24
[INFO] [stdout]     |
[INFO] [stdout] 340 | pub enum Compound<'a, W: 'a>
[INFO] [stdout]     |                        ^^^^ help: remove this bound
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:1:24
[INFO] [stdout]     |
[INFO] [stdout] 1   | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(explicit_outlives_requirements)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: outlives requirements can be inferred
[INFO] [stdout]    --> src/ser.rs:463:34
[INFO] [stdout]     |
[INFO] [stdout] 463 | pub enum OrderedKeyCompound<'a, W: 'a>
[INFO] [stdout]     |                                  ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.16s
[INFO] running `Command { std: "docker" "inspect" "a0135008da0a47728859d997d598c95e3452d5afa51d685e1d43f84009b07ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0135008da0a47728859d997d598c95e3452d5afa51d685e1d43f84009b07ffb", kill_on_drop: false }`
[INFO] [stdout] a0135008da0a47728859d997d598c95e3452d5afa51d685e1d43f84009b07ffb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7e7c1f4a2ea0cfd23963b28f38c41512c03494d57c619d788dc82005dd556348
[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" "7e7c1f4a2ea0cfd23963b28f38c41512c03494d57c619d788dc82005dd556348", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:15:37
[INFO] [stderr]    |
[INFO] [stderr] 15 |             Error::Io(ref error) => error::Error::description(error),
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:1:24
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]    --> src/ser.rs:340:24
[INFO] [stderr]     |
[INFO] [stderr] 340 | pub enum Compound<'a, W: 'a>
[INFO] [stderr]     |                        ^^^^ help: remove this bound
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:1:24
[INFO] [stderr]     |
[INFO] [stderr] 1   | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(explicit_outlives_requirements)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]    --> src/ser.rs:463:34
[INFO] [stderr]     |
[INFO] [stderr] 463 | pub enum OrderedKeyCompound<'a, W: 'a>
[INFO] [stderr]     |                                  ^^^^ help: remove this bound
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:15:37
[INFO] [stderr]    |
[INFO] [stderr] 15 |             Error::Io(ref error) => error::Error::description(error),
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]    --> src/ser.rs:340:24
[INFO] [stderr]     |
[INFO] [stderr] 340 | pub enum Compound<'a, W: 'a>
[INFO] [stderr]     |                        ^^^^ help: remove this bound
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:2:9
[INFO] [stderr]     |
[INFO] [stderr] 2   | #![warn(rust_2018_idioms)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(explicit_outlives_requirements)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stderr] 
[INFO] [stderr] warning: outlives requirements can be inferred
[INFO] [stderr]    --> src/ser.rs:463:34
[INFO] [stderr]     |
[INFO] [stderr] 463 | pub enum OrderedKeyCompound<'a, W: 'a>
[INFO] [stderr]     |                                  ^^^^ help: remove this bound
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_canonical-5a1597590c1e0295
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test tests::encode_nonfinite_float_yields_err ... ok
[INFO] [stdout] test tests::write_enum ... ok
[INFO] [stdout] test tests::write_enum_derive ... ok
[INFO] [stdout] test tests::write_f32 ... ok
[INFO] [stdout] test tests::write_f64 ... ok
[INFO] [stdout] test tests::write_i16 ... ok
[INFO] [stdout] test tests::write_i32 ... ok
[INFO] [stdout] test tests::order_btree_map ... ok
[INFO] [stdout] test tests::write_i64 ... ok
[INFO] [stdout] test tests::write_i8 ... ok
[INFO] [stdout] test tests::order_hash_map ... ok
[INFO] [stdout] test tests::encode_f32_ne_int ... ok
[INFO] [stdout] test tests::encode_f64_ne_int ... ok
[INFO] [stdout] test tests::write_bytes ... ok
[INFO] [stdout] test tests::write_option ... ok
[INFO] [stdout] test tests::write_bool ... ok
[INFO] [stdout] test tests::write_object ... ok
[INFO] [stdout] test tests::write_list ... ok
[INFO] [stdout] test tests::write_map ... ok
[INFO] [stdout] test tests::write_newtype_struct ... ok
[INFO] [stdout] test tests::write_null ... ok
[INFO] [stdout] test tests::write_string ... ok
[INFO] [stdout] test tests::write_tuple ... ok
[INFO] [stdout] test tests::write_u64 ... ok
[INFO] [stdout] test tests::write_u8 ... ok
[INFO] [stdout] test tests::write_u32 ... ok
[INFO] [stdout] test tests::write_struct ... ok
[INFO] [stdout] test tests::write_struct_ordered ... ok
[INFO] [stdout] test tests::write_u16 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_canonical-e5c0cb6c60d5662f
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_canonical
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7e7c1f4a2ea0cfd23963b28f38c41512c03494d57c619d788dc82005dd556348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e7c1f4a2ea0cfd23963b28f38c41512c03494d57c619d788dc82005dd556348", kill_on_drop: false }`
[INFO] [stdout] 7e7c1f4a2ea0cfd23963b28f38c41512c03494d57c619d788dc82005dd556348