[INFO] fetching crate toolbox 0.2.8...
[INFO] testing toolbox-0.2.8 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate toolbox 0.2.8 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate toolbox 0.2.8 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-92/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ab0014da37226b62347448be5fefd732bf1706f643b18a0351d3571a9e46980
[INFO] running `Command { std: "docker" "start" "-a" "5ab0014da37226b62347448be5fefd732bf1706f643b18a0351d3571a9e46980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ab0014da37226b62347448be5fefd732bf1706f643b18a0351d3571a9e46980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab0014da37226b62347448be5fefd732bf1706f643b18a0351d3571a9e46980", kill_on_drop: false }`
[INFO] [stdout] 5ab0014da37226b62347448be5fefd732bf1706f643b18a0351d3571a9e46980
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddb9b6066caaf59a80e9249a0565e442edaa671606622a8ad4382368e82dc4c9
[INFO] running `Command { std: "docker" "start" "-a" "ddb9b6066caaf59a80e9249a0565e442edaa671606622a8ad4382368e82dc4c9", kill_on_drop: false }`
[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 1.27s
[INFO] running `Command { std: "docker" "inspect" "ddb9b6066caaf59a80e9249a0565e442edaa671606622a8ad4382368e82dc4c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddb9b6066caaf59a80e9249a0565e442edaa671606622a8ad4382368e82dc4c9", kill_on_drop: false }`
[INFO] [stdout] ddb9b6066caaf59a80e9249a0565e442edaa671606622a8ad4382368e82dc4c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0a3974a4d7199c7fe398a52060f1632165df9c90c64a678d30adbedefc08795
[INFO] running `Command { std: "docker" "start" "-a" "e0a3974a4d7199c7fe398a52060f1632165df9c90c64a678d30adbedefc08795", kill_on_drop: false }`
[INFO] [stderr]    Compiling toolbox v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "e0a3974a4d7199c7fe398a52060f1632165df9c90c64a678d30adbedefc08795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0a3974a4d7199c7fe398a52060f1632165df9c90c64a678d30adbedefc08795", kill_on_drop: false }`
[INFO] [stdout] e0a3974a4d7199c7fe398a52060f1632165df9c90c64a678d30adbedefc08795
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3fe308e82f1e7177225604d9ca61c2da8ba5c2dcd979ed6e87a30d23459ddab
[INFO] running `Command { std: "docker" "start" "-a" "c3fe308e82f1e7177225604d9ca61c2da8ba5c2dcd979ed6e87a30d23459ddab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[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] [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 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests toolbox
[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" "c3fe308e82f1e7177225604d9ca61c2da8ba5c2dcd979ed6e87a30d23459ddab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3fe308e82f1e7177225604d9ca61c2da8ba5c2dcd979ed6e87a30d23459ddab", kill_on_drop: false }`
[INFO] [stdout] c3fe308e82f1e7177225604d9ca61c2da8ba5c2dcd979ed6e87a30d23459ddab