[INFO] cloning repository https://github.com/luke-biel/bt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luke-biel/bt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluke-biel%2Fbt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluke-biel%2Fbt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50534c8ad9083c5a426640247b0bd59db96d3bfe
[INFO] checking luke-biel/bt against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluke-biel%2Fbt" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/luke-biel/bt
[INFO] finished tweaking git repo https://github.com/luke-biel/bt
[INFO] tweaked toml for git repo https://github.com/luke-biel/bt written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/luke-biel/bt on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/luke-biel/bt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-case-macros v3.2.1
[INFO] [stderr]   Downloaded dir-assert v0.2.0
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.1
[INFO] [stderr]   Downloaded proc-macro-error v1.0.1
[INFO] [stderr]   Downloaded test-case-core v3.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 461d5a7b2c7a1015e507ed529db95da18fe77aabab41868d321c8ce9eca4aa5d
[INFO] running `Command { std: "docker" "start" "-a" "461d5a7b2c7a1015e507ed529db95da18fe77aabab41868d321c8ce9eca4aa5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "461d5a7b2c7a1015e507ed529db95da18fe77aabab41868d321c8ce9eca4aa5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "461d5a7b2c7a1015e507ed529db95da18fe77aabab41868d321c8ce9eca4aa5d", kill_on_drop: false }`
[INFO] [stdout] 461d5a7b2c7a1015e507ed529db95da18fe77aabab41868d321c8ce9eca4aa5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cd3f7b3152727d52e3ef1aae4969ffe3ba1fcf8525d11430bda73648a0bd5f4
[INFO] running `Command { std: "docker" "start" "-a" "6cd3f7b3152727d52e3ef1aae4969ffe3ba1fcf8525d11430bda73648a0bd5f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.1
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dir-assert v0.2.0
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling test-case-core v3.2.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]    Compiling test-case-macros v3.2.1
[INFO] [stderr]     Checking bts v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking test-case v3.3.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.77s
[INFO] running `Command { std: "docker" "inspect" "6cd3f7b3152727d52e3ef1aae4969ffe3ba1fcf8525d11430bda73648a0bd5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd3f7b3152727d52e3ef1aae4969ffe3ba1fcf8525d11430bda73648a0bd5f4", kill_on_drop: false }`
[INFO] [stdout] 6cd3f7b3152727d52e3ef1aae4969ffe3ba1fcf8525d11430bda73648a0bd5f4