[INFO] cloning repository https://github.com/cmckni3/rust-sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cmckni3/rust-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmckni3%2Frust-sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmckni3%2Frust-sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac221d00b70980e5eca952343328c9cf55c4a223
[INFO] testing cmckni3/rust-sandbox against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmckni3%2Frust-sandbox" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cmckni3/rust-sandbox 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 git repo https://github.com/cmckni3/rust-sandbox
[INFO] finished tweaking git repo https://github.com/cmckni3/rust-sandbox
[INFO] tweaked toml for git repo https://github.com/cmckni3/rust-sandbox written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/cmckni3/rust-sandbox already has a lockfile, it will not be regenerated
[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 iovec v0.1.1
[INFO] [stderr]   Downloaded thread_local v0.3.4
[INFO] [stderr]   Downloaded regex v0.2.2
[INFO] [stderr]   Downloaded http v0.1.1
[INFO] [stderr]   Downloaded lazy_static v0.2.9
[INFO] [stderr]   Downloaded libc v0.2.32
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.8
[INFO] [stderr]   Downloaded fnv v1.0.5
[INFO] [stderr]   Downloaded simple-server v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 0a8d6d35f5d577456613b8bb2f33fda6272970b2d7ad18a80ac6ed8e709bb2f4
[INFO] running `Command { std: "docker" "start" "-a" "0a8d6d35f5d577456613b8bb2f33fda6272970b2d7ad18a80ac6ed8e709bb2f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a8d6d35f5d577456613b8bb2f33fda6272970b2d7ad18a80ac6ed8e709bb2f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a8d6d35f5d577456613b8bb2f33fda6272970b2d7ad18a80ac6ed8e709bb2f4", kill_on_drop: false }`
[INFO] [stdout] 0a8d6d35f5d577456613b8bb2f33fda6272970b2d7ad18a80ac6ed8e709bb2f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] c7faf2907de847a82dd548e4863d173a4fc205c55d39fb16d5a520d8ad5ae6d3
[INFO] running `Command { std: "docker" "start" "-a" "c7faf2907de847a82dd548e4863d173a4fc205c55d39fb16d5a520d8ad5ae6d3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling fnv v1.0.5
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling scoped_threadpool v0.1.8
[INFO] [stderr]    Compiling httparse v1.2.3
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling iovec v0.1.1
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling bytes v0.4.5
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling http v0.1.1
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling simple-server v0.1.0
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.29s
[INFO] running `Command { std: "docker" "inspect" "c7faf2907de847a82dd548e4863d173a4fc205c55d39fb16d5a520d8ad5ae6d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7faf2907de847a82dd548e4863d173a4fc205c55d39fb16d5a520d8ad5ae6d3", kill_on_drop: false }`
[INFO] [stdout] c7faf2907de847a82dd548e4863d173a4fc205c55d39fb16d5a520d8ad5ae6d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] d3c1a9c3f5d500470cd2ce9df511bd8d871438cc2c1ebbc43b945ebccfe28dc2
[INFO] running `Command { std: "docker" "start" "-a" "d3c1a9c3f5d500470cd2ce9df511bd8d871438cc2c1ebbc43b945ebccfe28dc2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "d3c1a9c3f5d500470cd2ce9df511bd8d871438cc2c1ebbc43b945ebccfe28dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c1a9c3f5d500470cd2ce9df511bd8d871438cc2c1ebbc43b945ebccfe28dc2", kill_on_drop: false }`
[INFO] [stdout] d3c1a9c3f5d500470cd2ce9df511bd8d871438cc2c1ebbc43b945ebccfe28dc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 9c5b53781c865fdd1602c9a1a87efe01850fe9301bd436fe6d93ea64c0a48ef9
[INFO] running `Command { std: "docker" "start" "-a" "9c5b53781c865fdd1602c9a1a87efe01850fe9301bd436fe6d93ea64c0a48ef9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_world-120e25f2d4333775)
[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" "9c5b53781c865fdd1602c9a1a87efe01850fe9301bd436fe6d93ea64c0a48ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c5b53781c865fdd1602c9a1a87efe01850fe9301bd436fe6d93ea64c0a48ef9", kill_on_drop: false }`
[INFO] [stdout] 9c5b53781c865fdd1602c9a1a87efe01850fe9301bd436fe6d93ea64c0a48ef9