[INFO] fetching crate tcorp_math_mods 0.1.0...
[INFO] testing tcorp_math_mods-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate tcorp_math_mods 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tcorp_math_mods 0.1.0 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 tcorp_math_mods 0.1.0
[INFO] finished tweaking crates.io crate tcorp_math_mods 0.1.0
[INFO] tweaked toml for crates.io crate tcorp_math_mods 0.1.0 written to /workspace/builds/worker-3/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 588338b14801fd766b6fd0dd761c906ab05ccc9990b78e17262fb95e93667ac9
[INFO] running `Command { std: "docker" "start" "-a" "588338b14801fd766b6fd0dd761c906ab05ccc9990b78e17262fb95e93667ac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "588338b14801fd766b6fd0dd761c906ab05ccc9990b78e17262fb95e93667ac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588338b14801fd766b6fd0dd761c906ab05ccc9990b78e17262fb95e93667ac9", kill_on_drop: false }`
[INFO] [stdout] 588338b14801fd766b6fd0dd761c906ab05ccc9990b78e17262fb95e93667ac9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 29a0fb02cb095fcf45024b99a1ad8912b54913c4e2295dcdb043f0d3cb0b3ab0
[INFO] running `Command { std: "docker" "start" "-a" "29a0fb02cb095fcf45024b99a1ad8912b54913c4e2295dcdb043f0d3cb0b3ab0", 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] [stderr]    Compiling tcorp_math_mods v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "29a0fb02cb095fcf45024b99a1ad8912b54913c4e2295dcdb043f0d3cb0b3ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29a0fb02cb095fcf45024b99a1ad8912b54913c4e2295dcdb043f0d3cb0b3ab0", kill_on_drop: false }`
[INFO] [stdout] 29a0fb02cb095fcf45024b99a1ad8912b54913c4e2295dcdb043f0d3cb0b3ab0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] bcbe327ecd06aa44eecd17e1aa44c0799c1eb9f667a995a26b9e6b4879a897ef
[INFO] running `Command { std: "docker" "start" "-a" "bcbe327ecd06aa44eecd17e1aa44c0799c1eb9f667a995a26b9e6b4879a897ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcorp_math_mods v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "bcbe327ecd06aa44eecd17e1aa44c0799c1eb9f667a995a26b9e6b4879a897ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcbe327ecd06aa44eecd17e1aa44c0799c1eb9f667a995a26b9e6b4879a897ef", kill_on_drop: false }`
[INFO] [stdout] bcbe327ecd06aa44eecd17e1aa44c0799c1eb9f667a995a26b9e6b4879a897ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 199ecb339cf426758245afa999a750d78ee72b577c59b8e3d9a1541816fcb69e
[INFO] running `Command { std: "docker" "start" "-a" "199ecb339cf426758245afa999a750d78ee72b577c59b8e3d9a1541816fcb69e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tcorp_math_mods-9d40236a68068ce5)
[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/factors.rs (/opt/rustwide/target/debug/deps/factors-b2b9dfd18e731e88)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tcorp_math_mods
[INFO] [stdout] running 2 tests
[INFO] [stdout] test factors_returns_correct_results ... ok
[INFO] [stdout] test number_of_factors_returns_correct_results ... 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 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] running `Command { std: "docker" "inspect" "199ecb339cf426758245afa999a750d78ee72b577c59b8e3d9a1541816fcb69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "199ecb339cf426758245afa999a750d78ee72b577c59b8e3d9a1541816fcb69e", kill_on_drop: false }`
[INFO] [stdout] 199ecb339cf426758245afa999a750d78ee72b577c59b8e3d9a1541816fcb69e