[INFO] updating cached repository sepiropht/rust-error-handling [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/sepiropht/rust-error-handling [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/sepiropht/rust-error-handling" "work/ex/beta-1.38-1/sources/1.37.0/gh/sepiropht/rust-error-handling"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sepiropht/rust-error-handling'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/sepiropht/rust-error-handling" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sepiropht/rust-error-handling"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sepiropht/rust-error-handling'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 39f9a5a3cd92eb48ce7035bceb0e6c22d3adcae5 [INFO] sha for GitHub repo sepiropht/rust-error-handling: 39f9a5a3cd92eb48ce7035bceb0e6c22d3adcae5 [INFO] validating manifest of sepiropht/rust-error-handling on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of sepiropht/rust-error-handling on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing sepiropht/rust-error-handling [INFO] finished frobbing sepiropht/rust-error-handling [INFO] frobbed toml for sepiropht/rust-error-handling written to work/ex/beta-1.38-1/sources/1.37.0/gh/sepiropht/rust-error-handling/Cargo.toml [INFO] started frobbing sepiropht/rust-error-handling [INFO] finished frobbing sepiropht/rust-error-handling [INFO] frobbed toml for sepiropht/rust-error-handling written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sepiropht/rust-error-handling/Cargo.toml [INFO] crate sepiropht/rust-error-handling already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing sepiropht/rust-error-handling against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sepiropht/rust-error-handling:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 2e434de1288dddae266ef4e637265c3ce8273f304d212603bdc5b6e8edcff2c6 [INFO] running `"docker" "start" "-a" "2e434de1288dddae266ef4e637265c3ce8273f304d212603bdc5b6e8edcff2c6"` [INFO] [stderr] Compiling rust-error-handling v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.00s [INFO] running `"docker" "inspect" "2e434de1288dddae266ef4e637265c3ce8273f304d212603bdc5b6e8edcff2c6"` [INFO] running `"docker" "rm" "-f" "2e434de1288dddae266ef4e637265c3ce8273f304d212603bdc5b6e8edcff2c6"` [INFO] [stdout] 2e434de1288dddae266ef4e637265c3ce8273f304d212603bdc5b6e8edcff2c6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sepiropht/rust-error-handling:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 92f643a474929b51441057958767f5592f822892b34d4f33348d7dd884d105ad [INFO] running `"docker" "start" "-a" "92f643a474929b51441057958767f5592f822892b34d4f33348d7dd884d105ad"` [INFO] [stderr] Compiling rust-error-handling v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `"docker" "inspect" "92f643a474929b51441057958767f5592f822892b34d4f33348d7dd884d105ad"` [INFO] running `"docker" "rm" "-f" "92f643a474929b51441057958767f5592f822892b34d4f33348d7dd884d105ad"` [INFO] [stdout] 92f643a474929b51441057958767f5592f822892b34d4f33348d7dd884d105ad [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sepiropht/rust-error-handling:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 67029a96120970d546c9ff250d77b3573f4edb8ec67d97b6bbfa2a31020b0a3d [INFO] running `"docker" "start" "-a" "67029a96120970d546c9ff250d77b3573f4edb8ec67d97b6bbfa2a31020b0a3d"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_error_handling-e8d4a7d89a244faf [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" "67029a96120970d546c9ff250d77b3573f4edb8ec67d97b6bbfa2a31020b0a3d"` [INFO] running `"docker" "rm" "-f" "67029a96120970d546c9ff250d77b3573f4edb8ec67d97b6bbfa2a31020b0a3d"` [INFO] [stdout] 67029a96120970d546c9ff250d77b3573f4edb8ec67d97b6bbfa2a31020b0a3d