[INFO] cloning repository https://github.com/dermesser/numerical-oscillator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dermesser/numerical-oscillator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdermesser%2Fnumerical-oscillator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdermesser%2Fnumerical-oscillator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 492fd41ab11bbd71130d345fcb9cb81d06154086 [INFO] testing dermesser/numerical-oscillator against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdermesser%2Fnumerical-oscillator" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dermesser/numerical-oscillator on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dermesser/numerical-oscillator [INFO] finished tweaking git repo https://github.com/dermesser/numerical-oscillator [INFO] tweaked toml for git repo https://github.com/dermesser/numerical-oscillator written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/dermesser/numerical-oscillator already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded gnuplot v0.0.27 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 10505e83218ec09e5a0602616d9c9ea088f32471676a523c5b25fdbc83bf6993 [INFO] running `Command { std: "docker" "start" "-a" "10505e83218ec09e5a0602616d9c9ea088f32471676a523c5b25fdbc83bf6993", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10505e83218ec09e5a0602616d9c9ea088f32471676a523c5b25fdbc83bf6993", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10505e83218ec09e5a0602616d9c9ea088f32471676a523c5b25fdbc83bf6993", kill_on_drop: false }` [INFO] [stdout] 10505e83218ec09e5a0602616d9c9ea088f32471676a523c5b25fdbc83bf6993 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e21e5fbb8370df187c53144377c38e5362081c0481f73b3cc9b3f0f3e0c9d2db [INFO] running `Command { std: "docker" "start" "-a" "e21e5fbb8370df187c53144377c38e5362081c0481f73b3cc9b3f0f3e0c9d2db", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling gnuplot v0.0.27 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling termion v1.5.1 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling numerical v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:287:9 [INFO] [stdout] | [INFO] [stdout] 287 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 25.21s [INFO] running `Command { std: "docker" "inspect" "e21e5fbb8370df187c53144377c38e5362081c0481f73b3cc9b3f0f3e0c9d2db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e21e5fbb8370df187c53144377c38e5362081c0481f73b3cc9b3f0f3e0c9d2db", kill_on_drop: false }` [INFO] [stdout] e21e5fbb8370df187c53144377c38e5362081c0481f73b3cc9b3f0f3e0c9d2db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f574798f61ed6da734551368548a340370cf9b23fd83ffcf5e89a46c163b222e [INFO] running `Command { std: "docker" "start" "-a" "f574798f61ed6da734551368548a340370cf9b23fd83ffcf5e89a46c163b222e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling numerical v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:287:9 [INFO] [stdout] | [INFO] [stdout] 287 | io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.21s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f574798f61ed6da734551368548a340370cf9b23fd83ffcf5e89a46c163b222e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f574798f61ed6da734551368548a340370cf9b23fd83ffcf5e89a46c163b222e", kill_on_drop: false }` [INFO] [stdout] f574798f61ed6da734551368548a340370cf9b23fd83ffcf5e89a46c163b222e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 14d0b4e3744bbd975c098df6717ac7011b5f20b919c0eef559f645b68f5bfd22 [INFO] running `Command { std: "docker" "start" "-a" "14d0b4e3744bbd975c098df6717ac7011b5f20b919c0eef559f645b68f5bfd22", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:287:9 [INFO] [stderr] | [INFO] [stderr] 287 | io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `numerical` (bin "numerical" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.27s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/numerical-dd8f09c2246c6048) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "14d0b4e3744bbd975c098df6717ac7011b5f20b919c0eef559f645b68f5bfd22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14d0b4e3744bbd975c098df6717ac7011b5f20b919c0eef559f645b68f5bfd22", kill_on_drop: false }` [INFO] [stdout] 14d0b4e3744bbd975c098df6717ac7011b5f20b919c0eef559f645b68f5bfd22