[INFO] fetching crate bkt 0.4.0...
[INFO] testing bkt-0.4.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate bkt 0.4.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate bkt 0.4.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bkt 0.4.0
[INFO] finished tweaking crates.io crate bkt 0.4.0
[INFO] tweaked toml for crates.io crate bkt 0.4.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate bkt 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7213754959cc7a3a6702b6b607d7a832516125dcb9cf6382f80712aaacad30c
[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" "b7213754959cc7a3a6702b6b607d7a832516125dcb9cf6382f80712aaacad30c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7213754959cc7a3a6702b6b607d7a832516125dcb9cf6382f80712aaacad30c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7213754959cc7a3a6702b6b607d7a832516125dcb9cf6382f80712aaacad30c", kill_on_drop: false }`
[INFO] [stdout] b7213754959cc7a3a6702b6b607d7a832516125dcb9cf6382f80712aaacad30c
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a99adaeede646d5da628cdf9b573f77d75b1dedfdd548de8b9fc4d5608796613
[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" "a99adaeede646d5da628cdf9b573f77d75b1dedfdd548de8b9fc4d5608796613", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling bkt v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.80s
[INFO] running `Command { std: "docker" "inspect" "a99adaeede646d5da628cdf9b573f77d75b1dedfdd548de8b9fc4d5608796613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a99adaeede646d5da628cdf9b573f77d75b1dedfdd548de8b9fc4d5608796613", kill_on_drop: false }`
[INFO] [stdout] a99adaeede646d5da628cdf9b573f77d75b1dedfdd548de8b9fc4d5608796613
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1fc421f06afcc9d3d4239ce4513a8c259ff622421f6cd56415190e4e130653b
[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" "c1fc421f06afcc9d3d4239ce4513a8c259ff622421f6cd56415190e4e130653b", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling test_dir v0.1.0
[INFO] [stderr]    Compiling bkt v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.26s
[INFO] running `Command { std: "docker" "inspect" "c1fc421f06afcc9d3d4239ce4513a8c259ff622421f6cd56415190e4e130653b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1fc421f06afcc9d3d4239ce4513a8c259ff622421f6cd56415190e4e130653b", kill_on_drop: false }`
[INFO] [stdout] c1fc421f06afcc9d3d4239ce4513a8c259ff622421f6cd56415190e4e130653b
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac41118765f95cee0537ce3f9a1f96c5bc22802210a1bf65cc2b196ae8d8fbbe
[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" "ac41118765f95cee0537ce3f9a1f96c5bc22802210a1bf65cc2b196ae8d8fbbe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bkt-2ff1665a470e4501)
[INFO] [stdout] running 12 tests
[INFO] [stdout] test cache_tests::cache ... ok
[INFO] [stdout] test cache_tests::cleanup ... ok
[INFO] [stdout] test cache_tests::lookup_ttls ... ok
[INFO] [stdout] test cache_tests::scoped ... ok
[INFO] [stdout] test bkt_tests::with_working_dir ... ok
[INFO] [stdout] test cache_tests::stable_hash ... ok
[INFO] [stdout] test cmd_tests::collisions ... ok
[INFO] [stdout] test cmd_tests::debug_label ... ok
[INFO] [stdout] test file_lock_tests::locks ... ok
[INFO] [stdout] test file_lock_tests::already_locked ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bkt-7b30040aac590047)
[INFO] [stdout] test bkt_tests::with_env ... ok
[INFO] [stdout] test bkt_tests::cached ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cli.rs (/opt/rustwide/target/debug/deps/cli-59cfd2b480c0f81e)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test help ... ok
[INFO] [stdout] test exit_code_preserved ... ok
[INFO] [stdout] test no_debug_output ... ok
[INFO] [stdout] test cached ... ok
[INFO] [stdout] test respects_cache_dir ... ok
[INFO] [stdout] test sensitive_output ... ok
[INFO] [stdout] test respects_args ... ok
[INFO] [stdout] test cache_expires ... ok
[INFO] [stdout] test force ... ok
[INFO] [stdout] test respects_cache_scope ... ok
[INFO] [stdout] test cache_expires_separately ... ok
[INFO] [stdout] test respects_cwd ... ok
[INFO] [stdout] test respects_env ... ok
[INFO] [stdout] test cache_refreshes_in_background ... ok
[INFO] [stdout] test output_preserved ... ok
[INFO] [stdout] test warm ... ok
[INFO] [stdout] test concurrent_call_race ... ok
[INFO] [stderr]    Doc-tests bkt
[INFO] [stdout] test cache_hits_with_different_settings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.22s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - (line 6) - compile ... ok
[INFO] [stdout] test src/lib.rs - CommandDesc::new (line 51) ... ok
[INFO] [stdout] test src/lib.rs - CommandDesc::with_cwd (line 89) ... ok
[INFO] [stdout] test src/lib.rs - CommandDesc::with_env (line 118) ... ok
[INFO] [stdout] test src/lib.rs - CommandDesc::with_working_dir (line 69) ... ok
[INFO] [stdout] test src/lib.rs - CommandDesc (line 36) ... ok
[INFO] [stdout] test src/lib.rs - CommandDesc::with_env_value (line 101) ... ok
[INFO] [stdout] test src/lib.rs - CommandDesc::with_envs (line 131) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.73s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac41118765f95cee0537ce3f9a1f96c5bc22802210a1bf65cc2b196ae8d8fbbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac41118765f95cee0537ce3f9a1f96c5bc22802210a1bf65cc2b196ae8d8fbbe", kill_on_drop: false }`
[INFO] [stdout] ac41118765f95cee0537ce3f9a1f96c5bc22802210a1bf65cc2b196ae8d8fbbe