[INFO] fetching crate ruc 0.6.1...
[INFO] testing ruc-0.6.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ruc 0.6.1 into /workspace/builds/worker-114/source
[INFO] validating manifest of crates.io crate ruc 0.6.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruc 0.6.1
[INFO] finished tweaking crates.io crate ruc 0.6.1
[INFO] tweaked toml for crates.io crate ruc 0.6.1 written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38df35f1475cebb6439318cd919c3b695bf5b81ef259302766eb3e4d1c90135c
[INFO] running `Command { std: "docker" "start" "-a" "38df35f1475cebb6439318cd919c3b695bf5b81ef259302766eb3e4d1c90135c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38df35f1475cebb6439318cd919c3b695bf5b81ef259302766eb3e4d1c90135c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38df35f1475cebb6439318cd919c3b695bf5b81ef259302766eb3e4d1c90135c", kill_on_drop: false }`
[INFO] [stdout] 38df35f1475cebb6439318cd919c3b695bf5b81ef259302766eb3e4d1c90135c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a7a8f866e121ddc786104a3b943770714632c5bcaf209a21e24a26f762d0082
[INFO] running `Command { std: "docker" "start" "-a" "0a7a8f866e121ddc786104a3b943770714632c5bcaf209a21e24a26f762d0082", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling ruc v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.83s
[INFO] running `Command { std: "docker" "inspect" "0a7a8f866e121ddc786104a3b943770714632c5bcaf209a21e24a26f762d0082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a7a8f866e121ddc786104a3b943770714632c5bcaf209a21e24a26f762d0082", kill_on_drop: false }`
[INFO] [stdout] 0a7a8f866e121ddc786104a3b943770714632c5bcaf209a21e24a26f762d0082
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eff7e1bc0e24790713e89c91dcf3941e0d6f3c345f8282ff841e4956a1902d8d
[INFO] running `Command { std: "docker" "start" "-a" "eff7e1bc0e24790713e89c91dcf3941e0d6f3c345f8282ff841e4956a1902d8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruc v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "eff7e1bc0e24790713e89c91dcf3941e0d6f3c345f8282ff841e4956a1902d8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eff7e1bc0e24790713e89c91dcf3941e0d6f3c345f8282ff841e4956a1902d8d", kill_on_drop: false }`
[INFO] [stdout] eff7e1bc0e24790713e89c91dcf3941e0d6f3c345f8282ff841e4956a1902d8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e5e2669cd954236cff746ad1adee7c2770616e0c872189cc9c21bed89b1d6a3
[INFO] running `Command { std: "docker" "start" "-a" "4e5e2669cd954236cff746ad1adee7c2770616e0c872189cc9c21bed89b1d6a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ruc-c8b09123a161d395)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test err::test::t_error_chain ... ok
[INFO] [stdout] test err::test::t_get_pidns ... ok
[INFO] [stdout] test tests::t_map ... ok
[INFO] [stdout] test tests::t_macro ... ok
[INFO] [stderr]    Doc-tests ruc
[INFO] [stdout] test tests::t_display_style_debug - should panic ... ok
[INFO] [stdout] test tests::t_display_style - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e5e2669cd954236cff746ad1adee7c2770616e0c872189cc9c21bed89b1d6a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5e2669cd954236cff746ad1adee7c2770616e0c872189cc9c21bed89b1d6a3", kill_on_drop: false }`
[INFO] [stdout] 4e5e2669cd954236cff746ad1adee7c2770616e0c872189cc9c21bed89b1d6a3