[INFO] fetching crate toolbox 0.2.8...
[INFO] testing toolbox-0.2.8 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate toolbox 0.2.8 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate toolbox 0.2.8 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate toolbox 0.2.8
[INFO] finished tweaking crates.io crate toolbox 0.2.8
[INFO] tweaked toml for crates.io crate toolbox 0.2.8 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded vfsys v0.1.10
[INFO] [stderr]   Downloaded alg_ds v0.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ff0109554e6078674d9e57db2ec3b9e0748f7bf9c68018a82f7bad0bb25cef4
[INFO] running `Command { std: "docker" "start" "-a" "4ff0109554e6078674d9e57db2ec3b9e0748f7bf9c68018a82f7bad0bb25cef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ff0109554e6078674d9e57db2ec3b9e0748f7bf9c68018a82f7bad0bb25cef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ff0109554e6078674d9e57db2ec3b9e0748f7bf9c68018a82f7bad0bb25cef4", kill_on_drop: false }`
[INFO] [stdout] 4ff0109554e6078674d9e57db2ec3b9e0748f7bf9c68018a82f7bad0bb25cef4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9ddbf8953838b4854a7db1788afe3b5ffbc0a6577cad192cc6f2fb7341b8133
[INFO] running `Command { std: "docker" "start" "-a" "a9ddbf8953838b4854a7db1788afe3b5ffbc0a6577cad192cc6f2fb7341b8133", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling vfsys v0.1.10
[INFO] [stderr]    Compiling alg_ds v0.2.7
[INFO] [stderr]    Compiling toolbox v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "a9ddbf8953838b4854a7db1788afe3b5ffbc0a6577cad192cc6f2fb7341b8133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9ddbf8953838b4854a7db1788afe3b5ffbc0a6577cad192cc6f2fb7341b8133", kill_on_drop: false }`
[INFO] [stdout] a9ddbf8953838b4854a7db1788afe3b5ffbc0a6577cad192cc6f2fb7341b8133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 160caf9237df975666421c5a13129d7669b25e6bc2a55ef816fe31b9c4081a10
[INFO] running `Command { std: "docker" "start" "-a" "160caf9237df975666421c5a13129d7669b25e6bc2a55ef816fe31b9c4081a10", kill_on_drop: false }`
[INFO] [stderr]    Compiling toolbox v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "160caf9237df975666421c5a13129d7669b25e6bc2a55ef816fe31b9c4081a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160caf9237df975666421c5a13129d7669b25e6bc2a55ef816fe31b9c4081a10", kill_on_drop: false }`
[INFO] [stdout] 160caf9237df975666421c5a13129d7669b25e6bc2a55ef816fe31b9c4081a10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 442ff144d95df88c720a39cb46f0f6aea00f16ad0a086ccdbb5ad8cb9aff7a37
[INFO] running `Command { std: "docker" "start" "-a" "442ff144d95df88c720a39cb46f0f6aea00f16ad0a086ccdbb5ad8cb9aff7a37", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/toolbox-0c9f9a1432f49568)
[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/matrix.rs (/opt/rustwide/target/debug/deps/matrix-cca59464f6a1b820)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests toolbox
[INFO] [stdout] test matrix_integration_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[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" "442ff144d95df88c720a39cb46f0f6aea00f16ad0a086ccdbb5ad8cb9aff7a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442ff144d95df88c720a39cb46f0f6aea00f16ad0a086ccdbb5ad8cb9aff7a37", kill_on_drop: false }`
[INFO] [stdout] 442ff144d95df88c720a39cb46f0f6aea00f16ad0a086ccdbb5ad8cb9aff7a37