[INFO] fetching crate benchmark-simple 0.1.7...
[INFO] testing benchmark-simple-0.1.7 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate benchmark-simple 0.1.7 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate benchmark-simple 0.1.7 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 benchmark-simple 0.1.7
[INFO] finished tweaking crates.io crate benchmark-simple 0.1.7
[INFO] tweaked toml for crates.io crate benchmark-simple 0.1.7 written to /workspace/builds/worker-27/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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 2c686fd901810b22887185e7f4cbaae05eef76b88ba8d9e69970aadb51c7cdd8
[INFO] running `Command { std: "docker" "start" "-a" "2c686fd901810b22887185e7f4cbaae05eef76b88ba8d9e69970aadb51c7cdd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c686fd901810b22887185e7f4cbaae05eef76b88ba8d9e69970aadb51c7cdd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c686fd901810b22887185e7f4cbaae05eef76b88ba8d9e69970aadb51c7cdd8", kill_on_drop: false }`
[INFO] [stdout] 2c686fd901810b22887185e7f4cbaae05eef76b88ba8d9e69970aadb51c7cdd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] f76fd3fd32e6fc9f1b420243f34f7e422528f7fd4de73349caa1a040d002b74d
[INFO] running `Command { std: "docker" "start" "-a" "f76fd3fd32e6fc9f1b420243f34f7e422528f7fd4de73349caa1a040d002b74d", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling precision v0.1.14
[INFO] [stderr]    Compiling benchmark-simple v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "f76fd3fd32e6fc9f1b420243f34f7e422528f7fd4de73349caa1a040d002b74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76fd3fd32e6fc9f1b420243f34f7e422528f7fd4de73349caa1a040d002b74d", kill_on_drop: false }`
[INFO] [stdout] f76fd3fd32e6fc9f1b420243f34f7e422528f7fd4de73349caa1a040d002b74d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] a8cab9e27924f2f1a614880586871026bf0e1ce8d58f329b6bfa20526ddc080c
[INFO] running `Command { std: "docker" "start" "-a" "a8cab9e27924f2f1a614880586871026bf0e1ce8d58f329b6bfa20526ddc080c", kill_on_drop: false }`
[INFO] [stderr]    Compiling benchmark-simple v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/benchmark_simple-5933344f89054270)
[INFO] running `Command { std: "docker" "inspect" "a8cab9e27924f2f1a614880586871026bf0e1ce8d58f329b6bfa20526ddc080c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8cab9e27924f2f1a614880586871026bf0e1ce8d58f329b6bfa20526ddc080c", kill_on_drop: false }`
[INFO] [stdout] a8cab9e27924f2f1a614880586871026bf0e1ce8d58f329b6bfa20526ddc080c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 652719ece7232a68d5340ddad2d49451e18e84434172b1a5e8707c5a5effe40a
[INFO] running `Command { std: "docker" "start" "-a" "652719ece7232a68d5340ddad2d49451e18e84434172b1a5e8707c5a5effe40a", 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/benchmark_simple-5933344f89054270)
[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]    Doc-tests benchmark-simple
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 39) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "652719ece7232a68d5340ddad2d49451e18e84434172b1a5e8707c5a5effe40a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "652719ece7232a68d5340ddad2d49451e18e84434172b1a5e8707c5a5effe40a", kill_on_drop: false }`
[INFO] [stdout] 652719ece7232a68d5340ddad2d49451e18e84434172b1a5e8707c5a5effe40a