[INFO] fetching crate cargo-muttest 0.0.0-reserved...
[INFO] testing cargo-muttest-0.0.0-reserved against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate cargo-muttest 0.0.0-reserved into /workspace/builds/worker-2-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-muttest 0.0.0-reserved on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1003c38dc6418ac901e7dfeea17697caf8788072efea9147ac0bbf555356c76
[INFO] running `Command { std: "docker" "start" "-a" "d1003c38dc6418ac901e7dfeea17697caf8788072efea9147ac0bbf555356c76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1003c38dc6418ac901e7dfeea17697caf8788072efea9147ac0bbf555356c76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1003c38dc6418ac901e7dfeea17697caf8788072efea9147ac0bbf555356c76", kill_on_drop: false }`
[INFO] [stdout] d1003c38dc6418ac901e7dfeea17697caf8788072efea9147ac0bbf555356c76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37ca691ec712b70b71ca252a524748eb88a00587d9063ebbb82c611882974560
[INFO] running `Command { std: "docker" "start" "-a" "37ca691ec712b70b71ca252a524748eb88a00587d9063ebbb82c611882974560", 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 0.42s
[INFO] running `Command { std: "docker" "inspect" "37ca691ec712b70b71ca252a524748eb88a00587d9063ebbb82c611882974560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37ca691ec712b70b71ca252a524748eb88a00587d9063ebbb82c611882974560", kill_on_drop: false }`
[INFO] [stdout] 37ca691ec712b70b71ca252a524748eb88a00587d9063ebbb82c611882974560
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5c8ab027899109d36264a55194868d1bace0912afb74dee2112101967a1e8b9
[INFO] running `Command { std: "docker" "start" "-a" "c5c8ab027899109d36264a55194868d1bace0912afb74dee2112101967a1e8b9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] running `Command { std: "docker" "inspect" "c5c8ab027899109d36264a55194868d1bace0912afb74dee2112101967a1e8b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c8ab027899109d36264a55194868d1bace0912afb74dee2112101967a1e8b9", kill_on_drop: false }`
[INFO] [stdout] c5c8ab027899109d36264a55194868d1bace0912afb74dee2112101967a1e8b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2d42fb9baa0c5ccd9ebc395b2ae780e0b62df1394677d4e5f130202e511c0cdb
[INFO] running `Command { std: "docker" "start" "-a" "2d42fb9baa0c5ccd9ebc395b2ae780e0b62df1394677d4e5f130202e511c0cdb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] running `Command { std: "docker" "inspect" "2d42fb9baa0c5ccd9ebc395b2ae780e0b62df1394677d4e5f130202e511c0cdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d42fb9baa0c5ccd9ebc395b2ae780e0b62df1394677d4e5f130202e511c0cdb", kill_on_drop: false }`
[INFO] [stdout] 2d42fb9baa0c5ccd9ebc395b2ae780e0b62df1394677d4e5f130202e511c0cdb