[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#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwayfair-tremor%2Fbob2020" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wayfair-tremor/bob2020 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-1/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oorandom v11.1.0
[INFO] [stderr]   Downloaded criterion-plot v0.4.1
[INFO] [stderr]   Downloaded serde_json v1.0.45
[INFO] [stderr]   Downloaded bstr v0.2.10
[INFO] [stderr]   Downloaded criterion v0.3.1
[INFO] [stderr]   Downloaded plotters v0.2.12
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acaf004315ab958e25c2296597313c36827d1e5d65a4f6c16e4db6800b045b2f
[INFO] running `Command { std: "docker" "start" "-a" "acaf004315ab958e25c2296597313c36827d1e5d65a4f6c16e4db6800b045b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acaf004315ab958e25c2296597313c36827d1e5d65a4f6c16e4db6800b045b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acaf004315ab958e25c2296597313c36827d1e5d65a4f6c16e4db6800b045b2f", kill_on_drop: false }`
[INFO] [stdout] acaf004315ab958e25c2296597313c36827d1e5d65a4f6c16e4db6800b045b2f
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e742e21ba59c458407a47e307af3f35efd59c685704339aa2019d661dd1c474
[INFO] running `Command { std: "docker" "start" "-a" "1e742e21ba59c458407a47e307af3f35efd59c685704339aa2019d661dd1c474", kill_on_drop: false }`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "1e742e21ba59c458407a47e307af3f35efd59c685704339aa2019d661dd1c474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e742e21ba59c458407a47e307af3f35efd59c685704339aa2019d661dd1c474", kill_on_drop: false }`
[INFO] [stdout] 1e742e21ba59c458407a47e307af3f35efd59c685704339aa2019d661dd1c474
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c43c620367e570f91ec08d908488c453cece3e20723e518168ba0204f4544c0
[INFO] running `Command { std: "docker" "start" "-a" "4c43c620367e570f91ec08d908488c453cece3e20723e518168ba0204f4544c0", 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]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "4c43c620367e570f91ec08d908488c453cece3e20723e518168ba0204f4544c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c43c620367e570f91ec08d908488c453cece3e20723e518168ba0204f4544c0", kill_on_drop: false }`
[INFO] [stdout] 4c43c620367e570f91ec08d908488c453cece3e20723e518168ba0204f4544c0
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75320147b95bd582bef09ba7adbe52a9f8251cac4787511991c57fc8d854b5f4
[INFO] running `Command { std: "docker" "start" "-a" "75320147b95bd582bef09ba7adbe52a9f8251cac4787511991c57fc8d854b5f4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "75320147b95bd582bef09ba7adbe52a9f8251cac4787511991c57fc8d854b5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75320147b95bd582bef09ba7adbe52a9f8251cac4787511991c57fc8d854b5f4", kill_on_drop: false }`
[INFO] [stdout] 75320147b95bd582bef09ba7adbe52a9f8251cac4787511991c57fc8d854b5f4