[INFO] updating cached repository Algatux/rust-experiments
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Algatux/rust-experiments
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Algatux/rust-experiments" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Algatux/rust-experiments"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Algatux/rust-experiments'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Algatux/rust-experiments" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Algatux/rust-experiments"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Algatux/rust-experiments'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8111cdfa60cc593ecc7befaa40e5eb20b3c53a8e
[INFO] sha for GitHub repo Algatux/rust-experiments: 8111cdfa60cc593ecc7befaa40e5eb20b3c53a8e
[INFO] validating manifest of Algatux/rust-experiments on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Algatux/rust-experiments on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Algatux/rust-experiments
[INFO] finished frobbing Algatux/rust-experiments
[INFO] frobbed toml for Algatux/rust-experiments written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Algatux/rust-experiments/Cargo.toml
[INFO] started frobbing Algatux/rust-experiments
[INFO] finished frobbing Algatux/rust-experiments
[INFO] frobbed toml for Algatux/rust-experiments written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Algatux/rust-experiments/Cargo.toml
[INFO] crate Algatux/rust-experiments has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Algatux/rust-experiments against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Algatux/rust-experiments:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 26fc9634fd2454914720add140648278367bacdcb92cfe6c4b40c6d10f5d3845
[INFO] running `"docker" "start" "-a" "26fc9634fd2454914720add140648278367bacdcb92cfe6c4b40c6d10f5d3845"`
[INFO] [stderr]    Compiling rust-experiments v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `size`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn size(&self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "26fc9634fd2454914720add140648278367bacdcb92cfe6c4b40c6d10f5d3845"`
[INFO] running `"docker" "rm" "-f" "26fc9634fd2454914720add140648278367bacdcb92cfe6c4b40c6d10f5d3845"`
[INFO] [stdout] 26fc9634fd2454914720add140648278367bacdcb92cfe6c4b40c6d10f5d3845
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Algatux/rust-experiments:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] b5d57262041b3e56269691e9be0b4c8dab5440e54f23c53be4ad30a1b6a83e54
[INFO] running `"docker" "start" "-a" "b5d57262041b3e56269691e9be0b4c8dab5440e54f23c53be4ad30a1b6a83e54"`
[INFO] [stderr]    Compiling rust-experiments v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `size`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn size(&self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "b5d57262041b3e56269691e9be0b4c8dab5440e54f23c53be4ad30a1b6a83e54"`
[INFO] running `"docker" "rm" "-f" "b5d57262041b3e56269691e9be0b4c8dab5440e54f23c53be4ad30a1b6a83e54"`
[INFO] [stdout] b5d57262041b3e56269691e9be0b4c8dab5440e54f23c53be4ad30a1b6a83e54
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Algatux/rust-experiments:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] c984a441feb971a5b325ea6bfe6d362fc421dffc6955adff47adba73929347de
[INFO] running `"docker" "start" "-a" "c984a441feb971a5b325ea6bfe6d362fc421dffc6955adff47adba73929347de"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_experiments-cd3591f6cad45e12
[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" "c984a441feb971a5b325ea6bfe6d362fc421dffc6955adff47adba73929347de"`
[INFO] running `"docker" "rm" "-f" "c984a441feb971a5b325ea6bfe6d362fc421dffc6955adff47adba73929347de"`
[INFO] [stdout] c984a441feb971a5b325ea6bfe6d362fc421dffc6955adff47adba73929347de