[INFO] fetching crate cov-mark 2.0.0-pre.1...
[INFO] testing cov-mark-2.0.0-pre.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate cov-mark 2.0.0-pre.1 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate cov-mark 2.0.0-pre.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 cov-mark 2.0.0-pre.1
[INFO] finished tweaking crates.io crate cov-mark 2.0.0-pre.1
[INFO] tweaked toml for crates.io crate cov-mark 2.0.0-pre.1 written to /workspace/builds/worker-32/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] bb3698c540913b457508bdab912ad1a199a80138446fcb932ad6fe86d7c65225
[INFO] running `Command { std: "docker" "start" "-a" "bb3698c540913b457508bdab912ad1a199a80138446fcb932ad6fe86d7c65225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb3698c540913b457508bdab912ad1a199a80138446fcb932ad6fe86d7c65225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb3698c540913b457508bdab912ad1a199a80138446fcb932ad6fe86d7c65225", kill_on_drop: false }`
[INFO] [stdout] bb3698c540913b457508bdab912ad1a199a80138446fcb932ad6fe86d7c65225
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 39cd44d39687d7d9dfdb9b7acec9e12d740d8a3965d74f9160d9815cb7936df7
[INFO] running `Command { std: "docker" "start" "-a" "39cd44d39687d7d9dfdb9b7acec9e12d740d8a3965d74f9160d9815cb7936df7", kill_on_drop: false }`
[INFO] [stderr]    Compiling cov-mark v2.0.0-pre.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "39cd44d39687d7d9dfdb9b7acec9e12d740d8a3965d74f9160d9815cb7936df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39cd44d39687d7d9dfdb9b7acec9e12d740d8a3965d74f9160d9815cb7936df7", kill_on_drop: false }`
[INFO] [stdout] 39cd44d39687d7d9dfdb9b7acec9e12d740d8a3965d74f9160d9815cb7936df7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 61e05c383fd49fcbf6fe6aa32545398c97dc9fda0136c9f560867a25c3ec17f9
[INFO] running `Command { std: "docker" "start" "-a" "61e05c383fd49fcbf6fe6aa32545398c97dc9fda0136c9f560867a25c3ec17f9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cov-mark v2.0.0-pre.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "61e05c383fd49fcbf6fe6aa32545398c97dc9fda0136c9f560867a25c3ec17f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61e05c383fd49fcbf6fe6aa32545398c97dc9fda0136c9f560867a25c3ec17f9", kill_on_drop: false }`
[INFO] [stdout] 61e05c383fd49fcbf6fe6aa32545398c97dc9fda0136c9f560867a25c3ec17f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 2bf20d3df3eef48cf670646aef62a22e15ba91732182ca777306217c8ab4fb58
[INFO] running `Command { std: "docker" "start" "-a" "2bf20d3df3eef48cf670646aef62a22e15ba91732182ca777306217c8ab4fb58", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cov_mark-c8eff804bc65bbc4)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/smoke.rs (/opt/rustwide/target/debug/deps/smoke-2e8edb63bd4f286c)
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests cov-mark
[INFO] [stdout] test test_drop_count ... ok
[INFO] [stdout] test test_safe_divide_by_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - check_count (line 148) ... ok
[INFO] [stdout] test src/lib.rs - hit (line 103) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - check (line 123) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2bf20d3df3eef48cf670646aef62a22e15ba91732182ca777306217c8ab4fb58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf20d3df3eef48cf670646aef62a22e15ba91732182ca777306217c8ab4fb58", kill_on_drop: false }`
[INFO] [stdout] 2bf20d3df3eef48cf670646aef62a22e15ba91732182ca777306217c8ab4fb58