[INFO] fetching crate which 4.0.2...
[INFO] testing which-4.0.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate which 4.0.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate which 4.0.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate which 4.0.2
[INFO] finished tweaking crates.io crate which 4.0.2
[INFO] tweaked toml for crates.io crate which 4.0.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] efc6a33ad919acca0812930c3c731e2aaec7d92faaf75e9523f3a5989e90f6f4
[INFO] running `Command { std: "docker" "start" "-a" "efc6a33ad919acca0812930c3c731e2aaec7d92faaf75e9523f3a5989e90f6f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efc6a33ad919acca0812930c3c731e2aaec7d92faaf75e9523f3a5989e90f6f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efc6a33ad919acca0812930c3c731e2aaec7d92faaf75e9523f3a5989e90f6f4", kill_on_drop: false }`
[INFO] [stdout] efc6a33ad919acca0812930c3c731e2aaec7d92faaf75e9523f3a5989e90f6f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bc76b6feae114b8ddcccf49ddf1661700db4ad3f5eb72f15287067456cc93e8
[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" "1bc76b6feae114b8ddcccf49ddf1661700db4ad3f5eb72f15287067456cc93e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling which v4.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "1bc76b6feae114b8ddcccf49ddf1661700db4ad3f5eb72f15287067456cc93e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bc76b6feae114b8ddcccf49ddf1661700db4ad3f5eb72f15287067456cc93e8", kill_on_drop: false }`
[INFO] [stdout] 1bc76b6feae114b8ddcccf49ddf1661700db4ad3f5eb72f15287067456cc93e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 434cd8454c951f9c1b6d1c2d264983d157e0dd6c4067ff7d49324dcbcb629a8d
[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" "434cd8454c951f9c1b6d1c2d264983d157e0dd6c4067ff7d49324dcbcb629a8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling which v4.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "434cd8454c951f9c1b6d1c2d264983d157e0dd6c4067ff7d49324dcbcb629a8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "434cd8454c951f9c1b6d1c2d264983d157e0dd6c4067ff7d49324dcbcb629a8d", kill_on_drop: false }`
[INFO] [stdout] 434cd8454c951f9c1b6d1c2d264983d157e0dd6c4067ff7d49324dcbcb629a8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 06d3fdb45e896f33c61d98d2150dc2862ec0119d4da799912ff08f30db41197f
[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" "06d3fdb45e896f33c61d98d2150dc2862ec0119d4da799912ff08f30db41197f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[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] [stderr]      Running /opt/rustwide/target/debug/deps/which-38bc138586fc71a4
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/basic-3d3aeec17494da3b
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] test test_which ... ok
[INFO] [stdout] test test_which_absolute ... ok
[INFO] [stdout] test test_which_absolute_extension ... ok
[INFO] [stdout] test test_which_non_executable ... ok
[INFO] [stdout] test test_which_extension ... ok
[INFO] [stdout] test test_failure ... ok
[INFO] [stdout] test test_which_absolute_non_executable ... ok
[INFO] [stdout] test test_which_relative ... ok
[INFO] [stdout] test test_which_relative_extension ... ok
[INFO] [stdout] test test_which_relative_leading_dot ... ok
[INFO] [stdout] test test_which_relative_non_executable ... ok
[INFO] [stdout] test test_which_second ... ok
[INFO] [stdout] test test_which_not_found ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests which
[INFO] [stderr] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / //! which
[INFO] [stderr] 2  | | //!
[INFO] [stderr] 3  | | //! A Rust equivalent of Unix command `which(1)`.
[INFO] [stderr] 4  | | //! # Example:
[INFO] [stderr] ...  |
[INFO] [stderr] 13 | | //!
[INFO] [stderr] 14 | | //! ```
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(invalid_codeblock_attributes)]` on by default
[INFO] [stderr]    = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stderr] 
[INFO] [stderr] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | / /// Find a exectable binary's path by name.
[INFO] [stderr] 38 | | ///
[INFO] [stderr] 39 | | /// If given an absolute path, returns it if the file exists and is executable.
[INFO] [stderr] 40 | | ///
[INFO] [stderr] ...  |
[INFO] [stderr] 56 | | ///
[INFO] [stderr] 57 | | /// ```
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[INFO] [stderr]    = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[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" "06d3fdb45e896f33c61d98d2150dc2862ec0119d4da799912ff08f30db41197f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06d3fdb45e896f33c61d98d2150dc2862ec0119d4da799912ff08f30db41197f", kill_on_drop: false }`
[INFO] [stdout] 06d3fdb45e896f33c61d98d2150dc2862ec0119d4da799912ff08f30db41197f