[INFO] cloning repository https://github.com/mgoelzer/pgen [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mgoelzer/pgen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgoelzer%2Fpgen", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgoelzer%2Fpgen'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9378fc2c4b530b9a28bafda9ff5dc0ffdec3a57e [INFO] testing mgoelzer/pgen against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgoelzer%2Fpgen" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mgoelzer/pgen on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mgoelzer/pgen [INFO] finished tweaking git repo https://github.com/mgoelzer/pgen [INFO] tweaked toml for git repo https://github.com/mgoelzer/pgen written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/mgoelzer/pgen already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f6cd4559ca492b982014bdfa71f4708b08b39fef7fe934ff7183622a33392775 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f6cd4559ca492b982014bdfa71f4708b08b39fef7fe934ff7183622a33392775", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f6cd4559ca492b982014bdfa71f4708b08b39fef7fe934ff7183622a33392775", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6cd4559ca492b982014bdfa71f4708b08b39fef7fe934ff7183622a33392775", kill_on_drop: false }` [INFO] [stdout] f6cd4559ca492b982014bdfa71f4708b08b39fef7fe934ff7183622a33392775 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 094ae6382d1182ee111dadffc64469fc4949a4767a5574d522e4cf872cde83e2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "094ae6382d1182ee111dadffc64469fc4949a4767a5574d522e4cf872cde83e2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling pgen v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:156:17 [INFO] [stdout] | [INFO] [stdout] 156 | let mut i13_bits:i32 = (buf[0] as i32 * 32) + ((buf[1] as i32) % 32); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:185:29 [INFO] [stdout] | [INFO] [stdout] 185 | let mut s:String = sref.clone().to_string(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.76s [INFO] running `Command { std: "docker" "inspect" "094ae6382d1182ee111dadffc64469fc4949a4767a5574d522e4cf872cde83e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "094ae6382d1182ee111dadffc64469fc4949a4767a5574d522e4cf872cde83e2", kill_on_drop: false }` [INFO] [stdout] 094ae6382d1182ee111dadffc64469fc4949a4767a5574d522e4cf872cde83e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d37bba7cba9d6996d2044a6933f1f8fd8dadf02b360f33c3f464381b21367938 [INFO] running `Command { std: "docker" "start" "-a" "d37bba7cba9d6996d2044a6933f1f8fd8dadf02b360f33c3f464381b21367938", kill_on_drop: false }` [INFO] [stderr] Compiling pgen v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:156:17 [INFO] [stdout] | [INFO] [stdout] 156 | let mut i13_bits:i32 = (buf[0] as i32 * 32) + ((buf[1] as i32) % 32); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:185:29 [INFO] [stdout] | [INFO] [stdout] 185 | let mut s:String = sref.clone().to_string(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `Command { std: "docker" "inspect" "d37bba7cba9d6996d2044a6933f1f8fd8dadf02b360f33c3f464381b21367938", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d37bba7cba9d6996d2044a6933f1f8fd8dadf02b360f33c3f464381b21367938", kill_on_drop: false }` [INFO] [stdout] d37bba7cba9d6996d2044a6933f1f8fd8dadf02b360f33c3f464381b21367938 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f91a09f31a787d76ab2fb509c4f55d32214e045086cdef348a38a8e23fb50ea4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f91a09f31a787d76ab2fb509c4f55d32214e045086cdef348a38a8e23fb50ea4", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:156:17 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 156 | let mut i13_bits:i32 = (buf[0] as i32 * 32) + ((buf[1] as i32) % 32); [INFO] [stdout] [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:185:29 [INFO] [stderr] | [INFO] [stderr] 185 | let mut s:String = sref.clone().to_string(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `pgen` (bin "pgen" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/pgen-a708aa25c3ef2776) [INFO] running `Command { std: "docker" "inspect" "f91a09f31a787d76ab2fb509c4f55d32214e045086cdef348a38a8e23fb50ea4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f91a09f31a787d76ab2fb509c4f55d32214e045086cdef348a38a8e23fb50ea4", kill_on_drop: false }` [INFO] [stdout] f91a09f31a787d76ab2fb509c4f55d32214e045086cdef348a38a8e23fb50ea4