[INFO] fetching crate cargo-muttest 0.0.0-reserved...
[INFO] testing cargo-muttest-0.0.0-reserved against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate cargo-muttest 0.0.0-reserved into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate cargo-muttest 0.0.0-reserved
[INFO] finished tweaking crates.io crate cargo-muttest 0.0.0-reserved
[INFO] tweaked toml for crates.io crate cargo-muttest 0.0.0-reserved written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-muttest 0.0.0-reserved on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-muttest 0.0.0-reserved 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c169f5d4a9501aa4f63fff586a23ccf5cb5ec05c5458ee09770cc312de845f98
[INFO] running `Command { std: "docker" "start" "-a" "c169f5d4a9501aa4f63fff586a23ccf5cb5ec05c5458ee09770cc312de845f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c169f5d4a9501aa4f63fff586a23ccf5cb5ec05c5458ee09770cc312de845f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c169f5d4a9501aa4f63fff586a23ccf5cb5ec05c5458ee09770cc312de845f98", kill_on_drop: false }`
[INFO] [stdout] c169f5d4a9501aa4f63fff586a23ccf5cb5ec05c5458ee09770cc312de845f98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db49d597e53c2c55fb7918eee8eaa1c67fd3562f441f49a202ab10e4a13bde10
[INFO] running `Command { std: "docker" "start" "-a" "db49d597e53c2c55fb7918eee8eaa1c67fd3562f441f49a202ab10e4a13bde10", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-muttest v0.0.0-reserved (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "db49d597e53c2c55fb7918eee8eaa1c67fd3562f441f49a202ab10e4a13bde10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db49d597e53c2c55fb7918eee8eaa1c67fd3562f441f49a202ab10e4a13bde10", kill_on_drop: false }`
[INFO] [stdout] db49d597e53c2c55fb7918eee8eaa1c67fd3562f441f49a202ab10e4a13bde10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90249672fac298e650dfa62db79f10b7a82a5989368a4f990c8b13058f4f2345
[INFO] running `Command { std: "docker" "start" "-a" "90249672fac298e650dfa62db79f10b7a82a5989368a4f990c8b13058f4f2345", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] running `Command { std: "docker" "inspect" "90249672fac298e650dfa62db79f10b7a82a5989368a4f990c8b13058f4f2345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90249672fac298e650dfa62db79f10b7a82a5989368a4f990c8b13058f4f2345", kill_on_drop: false }`
[INFO] [stdout] 90249672fac298e650dfa62db79f10b7a82a5989368a4f990c8b13058f4f2345
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08bd435fc9915bfbf87695e03e27cdefae80ad839519629b1a6ededf2a9540e3
[INFO] running `Command { std: "docker" "start" "-a" "08bd435fc9915bfbf87695e03e27cdefae80ad839519629b1a6ededf2a9540e3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "08bd435fc9915bfbf87695e03e27cdefae80ad839519629b1a6ededf2a9540e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08bd435fc9915bfbf87695e03e27cdefae80ad839519629b1a6ededf2a9540e3", kill_on_drop: false }`
[INFO] [stdout] 08bd435fc9915bfbf87695e03e27cdefae80ad839519629b1a6ededf2a9540e3