[INFO] fetching crate which 4.0.2...
[INFO] testing which-4.0.2 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate which 4.0.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate which 4.0.2 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] cc97926ca2e3bfdc780395dff2924c4c65092dd3617b68852aa4dbe3d84cf480
[INFO] running `Command { std: "docker" "start" "-a" "cc97926ca2e3bfdc780395dff2924c4c65092dd3617b68852aa4dbe3d84cf480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc97926ca2e3bfdc780395dff2924c4c65092dd3617b68852aa4dbe3d84cf480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc97926ca2e3bfdc780395dff2924c4c65092dd3617b68852aa4dbe3d84cf480", kill_on_drop: false }`
[INFO] [stdout] cc97926ca2e3bfdc780395dff2924c4c65092dd3617b68852aa4dbe3d84cf480
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7919afc0ab8176359d676f0a81fbb2445a44c191a7e06a1d59a81a1c61595c6
[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" "b7919afc0ab8176359d676f0a81fbb2445a44c191a7e06a1d59a81a1c61595c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling which v4.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.65s
[INFO] running `Command { std: "docker" "inspect" "b7919afc0ab8176359d676f0a81fbb2445a44c191a7e06a1d59a81a1c61595c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7919afc0ab8176359d676f0a81fbb2445a44c191a7e06a1d59a81a1c61595c6", kill_on_drop: false }`
[INFO] [stdout] b7919afc0ab8176359d676f0a81fbb2445a44c191a7e06a1d59a81a1c61595c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d611cfdc43e7eda5b8f6c0c872216204705e4e0bb60fa5186c733392f61a66b6
[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" "d611cfdc43e7eda5b8f6c0c872216204705e4e0bb60fa5186c733392f61a66b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling tempdir v0.3.7
[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" "d611cfdc43e7eda5b8f6c0c872216204705e4e0bb60fa5186c733392f61a66b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d611cfdc43e7eda5b8f6c0c872216204705e4e0bb60fa5186c733392f61a66b6", kill_on_drop: false }`
[INFO] [stdout] d611cfdc43e7eda5b8f6c0c872216204705e4e0bb60fa5186c733392f61a66b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 98928708f31fac502d3be1a30733793b3900c2d41de454ca50f5d6e2bc9e1d11
[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" "98928708f31fac502d3be1a30733793b3900c2d41de454ca50f5d6e2bc9e1d11", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/which-8614bc5b551a5df8
[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/basic-b5a3136b180a0214
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test test_which_absolute_extension ... ok
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] test test_which_not_found ... ok
[INFO] [stdout] test test_which_absolute ... ok
[INFO] [stdout] test test_which_relative_leading_dot ... ok
[INFO] [stdout] test test_which_absolute_non_executable ... ok
[INFO] [stdout] test test_which_relative_extension ... ok
[INFO] [stdout] test test_which_second ... ok
[INFO] [stdout] test test_which_non_executable ... ok
[INFO] [stdout] test test_failure ... ok
[INFO] [stdout] test test_which_relative_non_executable ... ok
[INFO] [stdout] test test_which_extension ... ok
[INFO] [stdout] test test_which_relative ... ok
[INFO] [stdout] test test_which ... 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] [stdout] 
[INFO] [stderr] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:1:1
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 1  | / //! which
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "98928708f31fac502d3be1a30733793b3900c2d41de454ca50f5d6e2bc9e1d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98928708f31fac502d3be1a30733793b3900c2d41de454ca50f5d6e2bc9e1d11", kill_on_drop: false }`
[INFO] [stdout] 98928708f31fac502d3be1a30733793b3900c2d41de454ca50f5d6e2bc9e1d11