[INFO] updating cached repository mgattozzi/nightly-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mgattozzi/nightly-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mgattozzi/nightly-rust" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mgattozzi/nightly-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mgattozzi/nightly-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mgattozzi/nightly-rust" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mgattozzi/nightly-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mgattozzi/nightly-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e186131a6aac7098fb98b93cbb8fab44ed7f8ff4
[INFO] sha for GitHub repo mgattozzi/nightly-rust: e186131a6aac7098fb98b93cbb8fab44ed7f8ff4
[INFO] validating manifest of mgattozzi/nightly-rust 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 mgattozzi/nightly-rust 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 mgattozzi/nightly-rust
[INFO] finished frobbing mgattozzi/nightly-rust
[INFO] frobbed toml for mgattozzi/nightly-rust written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mgattozzi/nightly-rust/Cargo.toml
[INFO] started frobbing mgattozzi/nightly-rust
[INFO] finished frobbing mgattozzi/nightly-rust
[INFO] frobbed toml for mgattozzi/nightly-rust written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mgattozzi/nightly-rust/Cargo.toml
[INFO] crate mgattozzi/nightly-rust 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 mgattozzi/nightly-rust against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mgattozzi/nightly-rust:/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] 5b35e413b3aa73f45ab2d8fe39814b37c684365c441eb5d3778e4513b6bca40e
[INFO] running `"docker" "start" "-a" "5b35e413b3aa73f45ab2d8fe39814b37c684365c441eb5d3778e4513b6bca40e"`
[INFO] [stderr]    Compiling take_mut v0.2.0
[INFO] [stderr]    Compiling slog v2.1.1
[INFO] [stderr]    Compiling isatty v0.1.6
[INFO] [stderr]    Compiling sha-1 v0.4.1
[INFO] [stderr]    Compiling egg-mode v0.12.0
[INFO] [stderr]    Compiling slog-term v2.3.0
[INFO] [stderr]    Compiling slog-async v2.2.0
[INFO] [stderr]    Compiling nightly-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.64s
[INFO] running `"docker" "inspect" "5b35e413b3aa73f45ab2d8fe39814b37c684365c441eb5d3778e4513b6bca40e"`
[INFO] running `"docker" "rm" "-f" "5b35e413b3aa73f45ab2d8fe39814b37c684365c441eb5d3778e4513b6bca40e"`
[INFO] [stdout] 5b35e413b3aa73f45ab2d8fe39814b37c684365c441eb5d3778e4513b6bca40e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mgattozzi/nightly-rust:/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] 72457c9d15d88e61013d432e60df0dd8b0ec013ec2ed6450d9b3f91acdb574e0
[INFO] running `"docker" "start" "-a" "72457c9d15d88e61013d432e60df0dd8b0ec013ec2ed6450d9b3f91acdb574e0"`
[INFO] [stderr]    Compiling nightly-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "72457c9d15d88e61013d432e60df0dd8b0ec013ec2ed6450d9b3f91acdb574e0"`
[INFO] running `"docker" "rm" "-f" "72457c9d15d88e61013d432e60df0dd8b0ec013ec2ed6450d9b3f91acdb574e0"`
[INFO] [stdout] 72457c9d15d88e61013d432e60df0dd8b0ec013ec2ed6450d9b3f91acdb574e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mgattozzi/nightly-rust:/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] 8fb6c770249e94f53dad223b96316cb081db68bdd669ea1e7fab5c980b8f2165
[INFO] running `"docker" "start" "-a" "8fb6c770249e94f53dad223b96316cb081db68bdd669ea1e7fab5c980b8f2165"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nightly_rust-2f39d1cd90b5d705
[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" "8fb6c770249e94f53dad223b96316cb081db68bdd669ea1e7fab5c980b8f2165"`
[INFO] running `"docker" "rm" "-f" "8fb6c770249e94f53dad223b96316cb081db68bdd669ea1e7fab5c980b8f2165"`
[INFO] [stdout] 8fb6c770249e94f53dad223b96316cb081db68bdd669ea1e7fab5c980b8f2165