[INFO] cloning repository https://github.com/wayfair-tremor/bob2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wayfair-tremor/bob2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwayfair-tremor%2Fbob2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwayfair-tremor%2Fbob2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d35ebe7a2d3419d5ac289d3b2560f511fed81400
[INFO] testing wayfair-tremor/bob2020 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwayfair-tremor%2Fbob2020" "/workspace/builds/worker-76/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wayfair-tremor/bob2020 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wayfair-tremor/bob2020
[INFO] finished tweaking git repo https://github.com/wayfair-tremor/bob2020
[INFO] tweaked toml for git repo https://github.com/wayfair-tremor/bob2020 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate git repo https://github.com/wayfair-tremor/bob2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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 criterion-plot v0.4.1
[INFO] [stderr]   Downloaded serde_json v1.0.45
[INFO] [stderr]   Downloaded criterion v0.3.1
[INFO] [stderr]   Downloaded bstr v0.2.10
[INFO] [stderr]   Downloaded oorandom v11.1.0
[INFO] [stderr]   Downloaded plotters v0.2.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2c21ff31d2ceecf55007224add807e2406096c777745708d1e72b96a7623317
[INFO] running `Command { std: "docker" "start" "-a" "e2c21ff31d2ceecf55007224add807e2406096c777745708d1e72b96a7623317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2c21ff31d2ceecf55007224add807e2406096c777745708d1e72b96a7623317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c21ff31d2ceecf55007224add807e2406096c777745708d1e72b96a7623317", kill_on_drop: false }`
[INFO] [stdout] e2c21ff31d2ceecf55007224add807e2406096c777745708d1e72b96a7623317
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa152b62cd0cd093c262e413ffdc64dac750eb70095e46ec2a1841e03e476670
[INFO] running `Command { std: "docker" "start" "-a" "fa152b62cd0cd093c262e413ffdc64dac750eb70095e46ec2a1841e03e476670", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.04s
[INFO] running `Command { std: "docker" "inspect" "fa152b62cd0cd093c262e413ffdc64dac750eb70095e46ec2a1841e03e476670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa152b62cd0cd093c262e413ffdc64dac750eb70095e46ec2a1841e03e476670", kill_on_drop: false }`
[INFO] [stdout] fa152b62cd0cd093c262e413ffdc64dac750eb70095e46ec2a1841e03e476670
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 127c4e05ffa198cf8c49ed758bc9f971856d97d103777c5589e2b44994af09c5
[INFO] running `Command { std: "docker" "start" "-a" "127c4e05ffa198cf8c49ed758bc9f971856d97d103777c5589e2b44994af09c5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "127c4e05ffa198cf8c49ed758bc9f971856d97d103777c5589e2b44994af09c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "127c4e05ffa198cf8c49ed758bc9f971856d97d103777c5589e2b44994af09c5", kill_on_drop: false }`
[INFO] [stdout] 127c4e05ffa198cf8c49ed758bc9f971856d97d103777c5589e2b44994af09c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 06dec6ab8fac73c296b968a923a5fe4cd72e25d0d7f9c9b01c7d0b1c416885c3
[INFO] running `Command { std: "docker" "start" "-a" "06dec6ab8fac73c296b968a923a5fe4cd72e25d0d7f9c9b01c7d0b1c416885c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "06dec6ab8fac73c296b968a923a5fe4cd72e25d0d7f9c9b01c7d0b1c416885c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06dec6ab8fac73c296b968a923a5fe4cd72e25d0d7f9c9b01c7d0b1c416885c3", kill_on_drop: false }`
[INFO] [stdout] 06dec6ab8fac73c296b968a923a5fe4cd72e25d0d7f9c9b01c7d0b1c416885c3