[INFO] cloning repository steveklabnik/rust-struggle
[INFO] running `"git" "clone" "--bare" "git://github.com/steveklabnik/rust-struggle.git" "work/cache/sources/gh/steveklabnik/rust-struggle"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/steveklabnik/rust-struggle'...
[INFO] running `"git" "clone" "work/cache/sources/gh/steveklabnik/rust-struggle" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/steveklabnik/rust-struggle"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/steveklabnik/rust-struggle'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/steveklabnik/rust-struggle" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/steveklabnik/rust-struggle"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/steveklabnik/rust-struggle'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 076d8a2a844a08cdeba75f9e44a4a05e1a5759bd
[INFO] sha for GitHub repo steveklabnik/rust-struggle: 076d8a2a844a08cdeba75f9e44a4a05e1a5759bd
[INFO] validating manifest of steveklabnik/rust-struggle on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of steveklabnik/rust-struggle on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing steveklabnik/rust-struggle
[INFO] finished frobbing steveklabnik/rust-struggle
[INFO] frobbed toml for steveklabnik/rust-struggle written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/steveklabnik/rust-struggle/Cargo.toml
[INFO] started frobbing steveklabnik/rust-struggle
[INFO] finished frobbing steveklabnik/rust-struggle
[INFO] frobbed toml for steveklabnik/rust-struggle written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/steveklabnik/rust-struggle/Cargo.toml
[INFO] crate steveklabnik/rust-struggle already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing steveklabnik/rust-struggle against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/steveklabnik/rust-struggle:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] f86b48c320e288ae3bff0ff119b395339958072f3537fb8d8484ba7e1b1ad711
[INFO] running `"docker" "start" "-a" "f86b48c320e288ae3bff0ff119b395339958072f3537fb8d8484ba7e1b1ad711"`
[INFO] [stderr]    Compiling struggle v1.0.0-alpha (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Component`
[INFO] [stderr]  --> src/main.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 | use components::{BasicComponent, Component};
[INFO] [stderr]   |                                  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "f86b48c320e288ae3bff0ff119b395339958072f3537fb8d8484ba7e1b1ad711"`
[INFO] running `"docker" "rm" "-f" "f86b48c320e288ae3bff0ff119b395339958072f3537fb8d8484ba7e1b1ad711"`
[INFO] [stdout] f86b48c320e288ae3bff0ff119b395339958072f3537fb8d8484ba7e1b1ad711
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/steveklabnik/rust-struggle:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 33b93911d8c3d39a2c4b1102cab6db52c59cd9d53a9048eb3f71b789b1f89ca1
[INFO] running `"docker" "start" "-a" "33b93911d8c3d39a2c4b1102cab6db52c59cd9d53a9048eb3f71b789b1f89ca1"`
[INFO] [stderr]    Compiling struggle v1.0.0-alpha (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Component`
[INFO] [stderr]  --> src/main.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 | use components::{BasicComponent, Component};
[INFO] [stderr]   |                                  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "33b93911d8c3d39a2c4b1102cab6db52c59cd9d53a9048eb3f71b789b1f89ca1"`
[INFO] running `"docker" "rm" "-f" "33b93911d8c3d39a2c4b1102cab6db52c59cd9d53a9048eb3f71b789b1f89ca1"`
[INFO] [stdout] 33b93911d8c3d39a2c4b1102cab6db52c59cd9d53a9048eb3f71b789b1f89ca1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/steveklabnik/rust-struggle:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] ea95c4e2a5040b2264fbd49a330f1e9f2355be860460c7e168c30281b20568b4
[INFO] running `"docker" "start" "-a" "ea95c4e2a5040b2264fbd49a330f1e9f2355be860460c7e168c30281b20568b4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/struggle-8572311237163cd4
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ea95c4e2a5040b2264fbd49a330f1e9f2355be860460c7e168c30281b20568b4"`
[INFO] running `"docker" "rm" "-f" "ea95c4e2a5040b2264fbd49a330f1e9f2355be860460c7e168c30281b20568b4"`
[INFO] [stdout] ea95c4e2a5040b2264fbd49a330f1e9f2355be860460c7e168c30281b20568b4