[INFO] fetching crate retrom 0.0.50...
[INFO] testing retrom-0.0.50 against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628
[INFO] extracting crate retrom 0.0.50 into /workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate retrom 0.0.50 on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcfee64068777a1ac782558f7c4a6b761759a52101b8f59030b566d1e9cbe890
[INFO] running `Command { std: "docker" "start" "-a" "bcfee64068777a1ac782558f7c4a6b761759a52101b8f59030b566d1e9cbe890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcfee64068777a1ac782558f7c4a6b761759a52101b8f59030b566d1e9cbe890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcfee64068777a1ac782558f7c4a6b761759a52101b8f59030b566d1e9cbe890", kill_on_drop: false }`
[INFO] [stdout] bcfee64068777a1ac782558f7c4a6b761759a52101b8f59030b566d1e9cbe890
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc6d1d6535b3d41ac0fde566a88cd2c41627e47ef8274ebc9e1e70287c403c10
[INFO] running `Command { std: "docker" "start" "-a" "fc6d1d6535b3d41ac0fde566a88cd2c41627e47ef8274ebc9e1e70287c403c10", kill_on_drop: false }`
[INFO] [stderr]    Compiling retrom v0.0.50 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "fc6d1d6535b3d41ac0fde566a88cd2c41627e47ef8274ebc9e1e70287c403c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc6d1d6535b3d41ac0fde566a88cd2c41627e47ef8274ebc9e1e70287c403c10", kill_on_drop: false }`
[INFO] [stdout] fc6d1d6535b3d41ac0fde566a88cd2c41627e47ef8274ebc9e1e70287c403c10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acf1ebca7f8d90fa16e3f182293e400d7a7302cff49cd8d43335eee442a6d296
[INFO] running `Command { std: "docker" "start" "-a" "acf1ebca7f8d90fa16e3f182293e400d7a7302cff49cd8d43335eee442a6d296", kill_on_drop: false }`
[INFO] [stderr]    Compiling retrom v0.0.50 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "acf1ebca7f8d90fa16e3f182293e400d7a7302cff49cd8d43335eee442a6d296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf1ebca7f8d90fa16e3f182293e400d7a7302cff49cd8d43335eee442a6d296", kill_on_drop: false }`
[INFO] [stdout] acf1ebca7f8d90fa16e3f182293e400d7a7302cff49cd8d43335eee442a6d296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a90fef553fa12586d6670b00b1fd8b6b53c6d828d1b5f10280bfc5dd25f7989a
[INFO] running `Command { std: "docker" "start" "-a" "a90fef553fa12586d6670b00b1fd8b6b53c6d828d1b5f10280bfc5dd25f7989a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[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" "a90fef553fa12586d6670b00b1fd8b6b53c6d828d1b5f10280bfc5dd25f7989a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a90fef553fa12586d6670b00b1fd8b6b53c6d828d1b5f10280bfc5dd25f7989a", kill_on_drop: false }`
[INFO] [stdout] a90fef553fa12586d6670b00b1fd8b6b53c6d828d1b5f10280bfc5dd25f7989a