[INFO] updating cached repository https://github.com/kolloch/digits-differ
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2de412ec1fd43d7941a22e9f8aa51965dadbcf52
[INFO] testing kolloch/digits-differ against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkolloch%2Fdigits-differ" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kolloch/digits-differ on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kolloch/digits-differ
[INFO] finished tweaking git repo https://github.com/kolloch/digits-differ
[INFO] tweaked toml for git repo https://github.com/kolloch/digits-differ written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/kolloch/digits-differ already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 24eee8ecbf5249caa4e03fac2c092475aa25e0b569e1444a889471e3783be5ad
[INFO] running `"docker" "start" "-a" "24eee8ecbf5249caa4e03fac2c092475aa25e0b569e1444a889471e3783be5ad"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling vob v2.0.4
[INFO] [stderr]    Compiling numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> src/main.rs:189:15
[INFO] [stderr]     |
[INFO] [stderr] 189 |     buf: [u8; (N_DIGITS+1)],
[INFO] [stderr]     |               ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> src/main.rs:194:30
[INFO] [stderr]     |
[INFO] [stderr] 194 |         let mut buf = [b'0'; (N_DIGITS+1)];
[INFO] [stderr]     |                              ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.17s
[INFO] running `"docker" "inspect" "24eee8ecbf5249caa4e03fac2c092475aa25e0b569e1444a889471e3783be5ad"`
[INFO] running `"docker" "rm" "-f" "24eee8ecbf5249caa4e03fac2c092475aa25e0b569e1444a889471e3783be5ad"`
[INFO] [stdout] 24eee8ecbf5249caa4e03fac2c092475aa25e0b569e1444a889471e3783be5ad
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stdout] 313f6e8bcaa0a0f6ec6027bbfe33d5ae5940a53fde4745d7542c8aaaa47c3113
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "313f6e8bcaa0a0f6ec6027bbfe33d5ae5940a53fde4745d7542c8aaaa47c3113"`
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling vob v2.0.4
[INFO] [stderr]    Compiling numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> src/main.rs:189:15
[INFO] [stderr]     |
[INFO] [stderr] 189 |     buf: [u8; (N_DIGITS+1)],
[INFO] [stderr]     |               ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> src/main.rs:194:30
[INFO] [stderr]     |
[INFO] [stderr] 194 |         let mut buf = [b'0'; (N_DIGITS+1)];
[INFO] [stderr]     |                              ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `"docker" "inspect" "313f6e8bcaa0a0f6ec6027bbfe33d5ae5940a53fde4745d7542c8aaaa47c3113"`
[INFO] running `"docker" "rm" "-f" "313f6e8bcaa0a0f6ec6027bbfe33d5ae5940a53fde4745d7542c8aaaa47c3113"`
[INFO] [stdout] 313f6e8bcaa0a0f6ec6027bbfe33d5ae5940a53fde4745d7542c8aaaa47c3113
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 12446b60dbdbc4ed84194b9cc432247459fca2ffe685d4abce4af9425c77983f
[INFO] running `"docker" "start" "-a" "12446b60dbdbc4ed84194b9cc432247459fca2ffe685d4abce4af9425c77983f"`
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> src/main.rs:189:15
[INFO] [stderr]     |
[INFO] [stderr] 189 |     buf: [u8; (N_DIGITS+1)],
[INFO] [stderr]     |               ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> src/main.rs:194:30
[INFO] [stderr]     |
[INFO] [stderr] 194 |         let mut buf = [b'0'; (N_DIGITS+1)];
[INFO] [stderr]     |                              ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/numbers-f975b7b94a6c0996
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_write_num_easy ... ok
[INFO] [stdout] test test_two_digits ... ok
[INFO] [stdout] test test_write_num_reverse ... ok
[INFO] [stdout] test test_three_digits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "12446b60dbdbc4ed84194b9cc432247459fca2ffe685d4abce4af9425c77983f"`
[INFO] running `"docker" "rm" "-f" "12446b60dbdbc4ed84194b9cc432247459fca2ffe685d4abce4af9425c77983f"`
[INFO] [stdout] 12446b60dbdbc4ed84194b9cc432247459fca2ffe685d4abce4af9425c77983f