[INFO] fetching crate microbench 0.5.0...
[INFO] testing microbench-0.5.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate microbench 0.5.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate microbench 0.5.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate microbench 0.5.0
[INFO] finished tweaking crates.io crate microbench 0.5.0
[INFO] tweaked toml for crates.io crate microbench 0.5.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d35143258c994ed02c58e6ee857f5a8b2acad12abbfdffef1e68a0f0210a426c
[INFO] running `Command { std: "docker" "start" "-a" "d35143258c994ed02c58e6ee857f5a8b2acad12abbfdffef1e68a0f0210a426c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d35143258c994ed02c58e6ee857f5a8b2acad12abbfdffef1e68a0f0210a426c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35143258c994ed02c58e6ee857f5a8b2acad12abbfdffef1e68a0f0210a426c", kill_on_drop: false }`
[INFO] [stdout] d35143258c994ed02c58e6ee857f5a8b2acad12abbfdffef1e68a0f0210a426c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb0ff2dbd1b9d741e9e097dbd141870d3776ece11d9aed79b7c2a5985c02d61a
[INFO] running `Command { std: "docker" "start" "-a" "cb0ff2dbd1b9d741e9e097dbd141870d3776ece11d9aed79b7c2a5985c02d61a", kill_on_drop: false }`
[INFO] [stderr]    Compiling microbench v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "cb0ff2dbd1b9d741e9e097dbd141870d3776ece11d9aed79b7c2a5985c02d61a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb0ff2dbd1b9d741e9e097dbd141870d3776ece11d9aed79b7c2a5985c02d61a", kill_on_drop: false }`
[INFO] [stdout] cb0ff2dbd1b9d741e9e097dbd141870d3776ece11d9aed79b7c2a5985c02d61a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a158c75c8fcd8dde8f0439fe981b66c43362a500d3f599d5104e87358d87531
[INFO] running `Command { std: "docker" "start" "-a" "9a158c75c8fcd8dde8f0439fe981b66c43362a500d3f599d5104e87358d87531", kill_on_drop: false }`
[INFO] [stderr]    Compiling microbench v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/microbench-46b5d71234017c3e)
[INFO] running `Command { std: "docker" "inspect" "9a158c75c8fcd8dde8f0439fe981b66c43362a500d3f599d5104e87358d87531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a158c75c8fcd8dde8f0439fe981b66c43362a500d3f599d5104e87358d87531", kill_on_drop: false }`
[INFO] [stdout] 9a158c75c8fcd8dde8f0439fe981b66c43362a500d3f599d5104e87358d87531
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9701f026beba449150e6a876fee3f822c089c2cf96c1995a3e98f79f6419cd41
[INFO] running `Command { std: "docker" "start" "-a" "9701f026beba449150e6a876fee3f822c089c2cf96c1995a3e98f79f6419cd41", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/microbench-46b5d71234017c3e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test statistics::tests::test_kahan ... ok
[INFO] [stdout] test statistics::tests::test_model ... 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] [stderr]    Doc-tests microbench
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9701f026beba449150e6a876fee3f822c089c2cf96c1995a3e98f79f6419cd41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9701f026beba449150e6a876fee3f822c089c2cf96c1995a3e98f79f6419cd41", kill_on_drop: false }`
[INFO] [stdout] 9701f026beba449150e6a876fee3f822c089c2cf96c1995a3e98f79f6419cd41