[INFO] fetching crate bytes_chain 1.1.8...
[INFO] testing bytes_chain-1.1.8 against 1.60.0 for beta-1.61-1
[INFO] extracting crate bytes_chain 1.1.8 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate bytes_chain 1.1.8 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bytes_chain 1.1.8
[INFO] finished tweaking crates.io crate bytes_chain 1.1.8
[INFO] tweaked toml for crates.io crate bytes_chain 1.1.8 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", 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] 296c0f404738a117871b39dffc7a0cb1a59b08e1238551eba723d6bdc83bfe8b
[INFO] running `Command { std: "docker" "start" "-a" "296c0f404738a117871b39dffc7a0cb1a59b08e1238551eba723d6bdc83bfe8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "296c0f404738a117871b39dffc7a0cb1a59b08e1238551eba723d6bdc83bfe8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "296c0f404738a117871b39dffc7a0cb1a59b08e1238551eba723d6bdc83bfe8b", kill_on_drop: false }`
[INFO] [stdout] 296c0f404738a117871b39dffc7a0cb1a59b08e1238551eba723d6bdc83bfe8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57fd4b44fceef7f37b34720e565eeee21d7277e35af8bea23a73a407b1ed901b
[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" "57fd4b44fceef7f37b34720e565eeee21d7277e35af8bea23a73a407b1ed901b", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes_chain v1.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `NumberAble` is imported redundantly
[INFO] [stdout]    --> src/buffer.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 4   | use crate::NumberAble;
[INFO] [stdout]     |     ----------------- the item `NumberAble` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 141 |         use crate::NumberAble;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/number.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn tf<T>(buf: &NumberAble, i: usize) -> T
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 - fn tf<T>(buf: &NumberAble, i: usize) -> T
[INFO] [stdout] 77 + fn tf<T>(buf: &dyn NumberAble, i: usize) -> T
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "57fd4b44fceef7f37b34720e565eeee21d7277e35af8bea23a73a407b1ed901b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57fd4b44fceef7f37b34720e565eeee21d7277e35af8bea23a73a407b1ed901b", kill_on_drop: false }`
[INFO] [stdout] 57fd4b44fceef7f37b34720e565eeee21d7277e35af8bea23a73a407b1ed901b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--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] feffc4046fc80ce223e60fbad2702c4007b5aeb9516de6fed949e23a71c0ad4e
[INFO] running `Command { std: "docker" "start" "-a" "feffc4046fc80ce223e60fbad2702c4007b5aeb9516de6fed949e23a71c0ad4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes_chain v1.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `NumberAble` is imported redundantly
[INFO] [stdout]    --> src/buffer.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 4   | use crate::NumberAble;
[INFO] [stdout]     |     ----------------- the item `NumberAble` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 141 |         use crate::NumberAble;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/number.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn tf<T>(buf: &NumberAble, i: usize) -> T
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 - fn tf<T>(buf: &NumberAble, i: usize) -> T
[INFO] [stdout] 77 + fn tf<T>(buf: &dyn NumberAble, i: usize) -> T
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `NumberAble` is imported redundantly
[INFO] [stdout]    --> src/buffer.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 4   | use crate::NumberAble;
[INFO] [stdout]     |     ----------------- the item `NumberAble` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 141 |         use crate::NumberAble;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/number.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn tf<T>(buf: &NumberAble, i: usize) -> T
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 77 - fn tf<T>(buf: &NumberAble, i: usize) -> T
[INFO] [stdout] 77 + fn tf<T>(buf: &dyn NumberAble, i: usize) -> T
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "feffc4046fc80ce223e60fbad2702c4007b5aeb9516de6fed949e23a71c0ad4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feffc4046fc80ce223e60fbad2702c4007b5aeb9516de6fed949e23a71c0ad4e", kill_on_drop: false }`
[INFO] [stdout] feffc4046fc80ce223e60fbad2702c4007b5aeb9516de6fed949e23a71c0ad4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] ed7a31e295c6be5fde2bf37cdb69bb14f62b7c1af0f1ed9b768b8706366a5af9
[INFO] running `Command { std: "docker" "start" "-a" "ed7a31e295c6be5fde2bf37cdb69bb14f62b7c1af0f1ed9b768b8706366a5af9", kill_on_drop: false }`
[INFO] [stderr] warning: the item `NumberAble` is imported redundantly
[INFO] [stderr]    --> src/buffer.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 4   | use crate::NumberAble;
[INFO] [stderr]     |     ----------------- the item `NumberAble` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 141 |         use crate::NumberAble;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/number.rs:77:16
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn tf<T>(buf: &NumberAble, i: usize) -> T
[INFO] [stderr]    |                ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 77 - fn tf<T>(buf: &NumberAble, i: usize) -> T
[INFO] [stderr] 77 + fn tf<T>(buf: &dyn NumberAble, i: usize) -> T
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `bytes_chain` (lib) generated 2 warnings
[INFO] [stderr] warning: `bytes_chain` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bytes_chain-318a26b7767edf22)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test buffer::test_buffer_truncate ... ok
[INFO] [stdout] test buffer::test_bytes_buffer_normal ... ok
[INFO] [stdout] test number::test_number_for_slice ... ok
[INFO] [stdout] test buffer::test_buffer_in_buffer ... ok
[INFO] [stdout] test number::test_number_for_buffer ... ok
[INFO] [stdout] test buffer::test_bytes_buffer_slice ... ok
[INFO] [stdout] test buffer::test_io_buf ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bytes_chain
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ed7a31e295c6be5fde2bf37cdb69bb14f62b7c1af0f1ed9b768b8706366a5af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed7a31e295c6be5fde2bf37cdb69bb14f62b7c1af0f1ed9b768b8706366a5af9", kill_on_drop: false }`
[INFO] [stdout] ed7a31e295c6be5fde2bf37cdb69bb14f62b7c1af0f1ed9b768b8706366a5af9