[INFO] fetching crate retrom 0.0.50...
[INFO] testing retrom-0.0.50 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate retrom 0.0.50 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate retrom 0.0.50
[INFO] finished tweaking crates.io crate retrom 0.0.50
[INFO] tweaked toml for crates.io crate retrom 0.0.50 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate retrom 0.0.50 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate retrom 0.0.50 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4e60dd45cd5f0a1779e5426e8bace9c05313f6704d333e8c26feb6608146356
[INFO] running `Command { std: "docker" "start" "-a" "d4e60dd45cd5f0a1779e5426e8bace9c05313f6704d333e8c26feb6608146356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4e60dd45cd5f0a1779e5426e8bace9c05313f6704d333e8c26feb6608146356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4e60dd45cd5f0a1779e5426e8bace9c05313f6704d333e8c26feb6608146356", kill_on_drop: false }`
[INFO] [stdout] d4e60dd45cd5f0a1779e5426e8bace9c05313f6704d333e8c26feb6608146356
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15313e0706f03326586ba41b0e2901e1a1b56f5ed1dcb849720a1001613730ee
[INFO] running `Command { std: "docker" "start" "-a" "15313e0706f03326586ba41b0e2901e1a1b56f5ed1dcb849720a1001613730ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling retrom v0.0.50 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "15313e0706f03326586ba41b0e2901e1a1b56f5ed1dcb849720a1001613730ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15313e0706f03326586ba41b0e2901e1a1b56f5ed1dcb849720a1001613730ee", kill_on_drop: false }`
[INFO] [stdout] 15313e0706f03326586ba41b0e2901e1a1b56f5ed1dcb849720a1001613730ee
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4ede5e31d3646b9db184436159403bd030448317e03fda79e4c500bc7f9e895
[INFO] running `Command { std: "docker" "start" "-a" "e4ede5e31d3646b9db184436159403bd030448317e03fda79e4c500bc7f9e895", kill_on_drop: false }`
[INFO] [stderr]    Compiling retrom v0.0.50 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "e4ede5e31d3646b9db184436159403bd030448317e03fda79e4c500bc7f9e895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4ede5e31d3646b9db184436159403bd030448317e03fda79e4c500bc7f9e895", kill_on_drop: false }`
[INFO] [stdout] e4ede5e31d3646b9db184436159403bd030448317e03fda79e4c500bc7f9e895
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7650b9cff6a966727f73120a1c4e8067757c6362eda7d0bb5b1d621ec4bab122
[INFO] running `Command { std: "docker" "start" "-a" "7650b9cff6a966727f73120a1c4e8067757c6362eda7d0bb5b1d621ec4bab122", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/retrom-67cafb59c1b653e9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7650b9cff6a966727f73120a1c4e8067757c6362eda7d0bb5b1d621ec4bab122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7650b9cff6a966727f73120a1c4e8067757c6362eda7d0bb5b1d621ec4bab122", kill_on_drop: false }`
[INFO] [stdout] 7650b9cff6a966727f73120a1c4e8067757c6362eda7d0bb5b1d621ec4bab122