[INFO] updating cached repository djmittens/learn-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/djmittens/learn-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/djmittens/learn-rust" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/djmittens/learn-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/djmittens/learn-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/djmittens/learn-rust" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/djmittens/learn-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/djmittens/learn-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3485da39d85e6df25c2c594b469b04e3bdd35f70
[INFO] sha for GitHub repo djmittens/learn-rust: 3485da39d85e6df25c2c594b469b04e3bdd35f70
[INFO] validating manifest of djmittens/learn-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 djmittens/learn-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 djmittens/learn-rust
[INFO] finished frobbing djmittens/learn-rust
[INFO] frobbed toml for djmittens/learn-rust written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/djmittens/learn-rust/Cargo.toml
[INFO] started frobbing djmittens/learn-rust
[INFO] finished frobbing djmittens/learn-rust
[INFO] frobbed toml for djmittens/learn-rust written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/djmittens/learn-rust/Cargo.toml
[INFO] crate djmittens/learn-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 djmittens/learn-rust against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/djmittens/learn-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 4460e389443ffc8080588b5bcc33e636bf020bc1f39bdce6020bd220fed7b119
[INFO] running `"docker" "start" "-a" "4460e389443ffc8080588b5bcc33e636bf020bc1f39bdce6020bd220fed7b119"`
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling primal-sieve v0.2.9
[INFO] [stderr]    Compiling primal-check v0.2.3
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling csv v1.0.2
[INFO] [stderr]    Compiling primal v0.2.3
[INFO] [stderr]    Compiling learn-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.86s
[INFO] running `"docker" "inspect" "4460e389443ffc8080588b5bcc33e636bf020bc1f39bdce6020bd220fed7b119"`
[INFO] running `"docker" "rm" "-f" "4460e389443ffc8080588b5bcc33e636bf020bc1f39bdce6020bd220fed7b119"`
[INFO] [stdout] 4460e389443ffc8080588b5bcc33e636bf020bc1f39bdce6020bd220fed7b119
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/djmittens/learn-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 976af58e1124d158dd73151bc15d154e2bf75dfd87e4a371e42851722967e46a
[INFO] running `"docker" "start" "-a" "976af58e1124d158dd73151bc15d154e2bf75dfd87e4a371e42851722967e46a"`
[INFO] [stderr]    Compiling learn-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "976af58e1124d158dd73151bc15d154e2bf75dfd87e4a371e42851722967e46a"`
[INFO] running `"docker" "rm" "-f" "976af58e1124d158dd73151bc15d154e2bf75dfd87e4a371e42851722967e46a"`
[INFO] [stdout] 976af58e1124d158dd73151bc15d154e2bf75dfd87e4a371e42851722967e46a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/djmittens/learn-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 9753d1319f4dd7d5d137067ac6c3daac5331f7cf96f517e8cae01e206a70e8b8
[INFO] running `"docker" "start" "-a" "9753d1319f4dd7d5d137067ac6c3daac5331f7cf96f517e8cae01e206a70e8b8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/learn_rust-1a8d0601e23e6130
[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" "9753d1319f4dd7d5d137067ac6c3daac5331f7cf96f517e8cae01e206a70e8b8"`
[INFO] running `"docker" "rm" "-f" "9753d1319f4dd7d5d137067ac6c3daac5331f7cf96f517e8cae01e206a70e8b8"`
[INFO] [stdout] 9753d1319f4dd7d5d137067ac6c3daac5331f7cf96f517e8cae01e206a70e8b8