[INFO] fetching crate simple-matrix 0.1.2...
[INFO] testing simple-matrix-0.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate simple-matrix 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate simple-matrix 0.1.2 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 simple-matrix 0.1.2
[INFO] finished tweaking crates.io crate simple-matrix 0.1.2
[INFO] tweaked toml for crates.io crate simple-matrix 0.1.2 written to /workspace/builds/worker-1/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] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 0ef7dd35674b1fd80e56b08fd25c83a902c6acb02fc5ee1ef4f3475128dae3ba
[INFO] running `Command { std: "docker" "start" "-a" "0ef7dd35674b1fd80e56b08fd25c83a902c6acb02fc5ee1ef4f3475128dae3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ef7dd35674b1fd80e56b08fd25c83a902c6acb02fc5ee1ef4f3475128dae3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef7dd35674b1fd80e56b08fd25c83a902c6acb02fc5ee1ef4f3475128dae3ba", kill_on_drop: false }`
[INFO] [stdout] 0ef7dd35674b1fd80e56b08fd25c83a902c6acb02fc5ee1ef4f3475128dae3ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 940356f560edde415a428342d084ec7b07e7e73a8e7abbb08659c406e95d7d2d
[INFO] running `Command { std: "docker" "start" "-a" "940356f560edde415a428342d084ec7b07e7e73a8e7abbb08659c406e95d7d2d", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling simple-matrix v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "940356f560edde415a428342d084ec7b07e7e73a8e7abbb08659c406e95d7d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "940356f560edde415a428342d084ec7b07e7e73a8e7abbb08659c406e95d7d2d", kill_on_drop: false }`
[INFO] [stdout] 940356f560edde415a428342d084ec7b07e7e73a8e7abbb08659c406e95d7d2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 2cff4065be49133b72a52c7cffd28c5ad062116b2c109e748f1514a5bd1f7d5c
[INFO] running `Command { std: "docker" "start" "-a" "2cff4065be49133b72a52c7cffd28c5ad062116b2c109e748f1514a5bd1f7d5c", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling simple-matrix v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.69s
[INFO] running `Command { std: "docker" "inspect" "2cff4065be49133b72a52c7cffd28c5ad062116b2c109e748f1514a5bd1f7d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cff4065be49133b72a52c7cffd28c5ad062116b2c109e748f1514a5bd1f7d5c", kill_on_drop: false }`
[INFO] [stdout] 2cff4065be49133b72a52c7cffd28c5ad062116b2c109e748f1514a5bd1f7d5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 95e2af91a97b3ffdfe5bdb5682447a60e52e1efbffaacfd778d9bf0aabaf624d
[INFO] running `Command { std: "docker" "start" "-a" "95e2af91a97b3ffdfe5bdb5682447a60e52e1efbffaacfd778d9bf0aabaf624d", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simple_matrix-4ead0ca43746e187)
[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/qcheck.rs (/opt/rustwide/target/debug/deps/qcheck-134f80e7be5cbc70)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test qcheck_get ... ok
[INFO] [stdout] test qcheck_set ... ok
[INFO] [stdout] test qcheck_sub ... ok
[INFO] [stdout] test qcheck_add ... ok
[INFO] [stdout] test qcheck_mul ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "95e2af91a97b3ffdfe5bdb5682447a60e52e1efbffaacfd778d9bf0aabaf624d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e2af91a97b3ffdfe5bdb5682447a60e52e1efbffaacfd778d9bf0aabaf624d", kill_on_drop: false }`
[INFO] [stdout] 95e2af91a97b3ffdfe5bdb5682447a60e52e1efbffaacfd778d9bf0aabaf624d