[INFO] cloning repository https://github.com/santifa/rs-examples [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/santifa/rs-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsantifa%2Frs-examples", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsantifa%2Frs-examples'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ce37b7f73eec596b5d70dc29cdaa7ed172891db0 [INFO] testing santifa/rs-examples against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsantifa%2Frs-examples" "/workspace/builds/worker-101/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/santifa/rs-examples on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/santifa/rs-examples [INFO] finished tweaking git repo https://github.com/santifa/rs-examples [INFO] tweaked toml for git repo https://github.com/santifa/rs-examples written to /workspace/builds/worker-101/source/Cargo.toml [INFO] crate git repo https://github.com/santifa/rs-examples already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 824d0081dfb94fe29f726a82fc9bb242c04941eaf989c808dc9554816acf3ebc [INFO] running `Command { std: "docker" "start" "-a" "824d0081dfb94fe29f726a82fc9bb242c04941eaf989c808dc9554816acf3ebc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "824d0081dfb94fe29f726a82fc9bb242c04941eaf989c808dc9554816acf3ebc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "824d0081dfb94fe29f726a82fc9bb242c04941eaf989c808dc9554816acf3ebc", kill_on_drop: false }` [INFO] [stdout] 824d0081dfb94fe29f726a82fc9bb242c04941eaf989c808dc9554816acf3ebc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 96b53363a556a9d988e1d308672fde6074cd5771f1ec9a1c88918c1ae6588d4b [INFO] running `Command { std: "docker" "start" "-a" "96b53363a556a9d988e1d308672fde6074cd5771f1ec9a1c88918c1ae6588d4b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.36 [INFO] [stderr] Compiling pkg-config v0.3.9 [INFO] [stderr] Compiling num-traits v0.1.42 [INFO] [stderr] Compiling cc v1.0.4 [INFO] [stderr] Compiling time v0.1.39 [INFO] [stderr] Compiling num-integer v0.1.35 [INFO] [stderr] Compiling num-iter v0.1.34 [INFO] [stderr] Compiling libz-sys v1.0.18 [INFO] [stderr] Compiling flate2 v1.0.1 [INFO] [stderr] Compiling num v0.1.41 [INFO] [stderr] Compiling chrono v0.4.0 [INFO] [stderr] Compiling rs-examples v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/fb.rs:241:21 [INFO] [stdout] | [INFO] [stdout] 241 | let mut glyph = &glyphs[time_bytes[s] as usize]; // use char code to index glyph [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/bin/bayes.rs:96:21 [INFO] [stdout] | [INFO] [stdout] 96 | let mut mean = filtered [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/bin/bayes.rs:101:21 [INFO] [stdout] | [INFO] [stdout] 101 | let mut variance = filtered.iter().fold(0., |acc, &x| { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 16s [INFO] running `Command { std: "docker" "inspect" "96b53363a556a9d988e1d308672fde6074cd5771f1ec9a1c88918c1ae6588d4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96b53363a556a9d988e1d308672fde6074cd5771f1ec9a1c88918c1ae6588d4b", kill_on_drop: false }` [INFO] [stdout] 96b53363a556a9d988e1d308672fde6074cd5771f1ec9a1c88918c1ae6588d4b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d9cf4fc2d8210fd4a026b61c27ebaa79f03d463ee0979db9873619e623e70e28 [INFO] running `Command { std: "docker" "start" "-a" "d9cf4fc2d8210fd4a026b61c27ebaa79f03d463ee0979db9873619e623e70e28", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rs-examples v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/fb.rs:241:21 [INFO] [stdout] | [INFO] [stdout] 241 | let mut glyph = &glyphs[time_bytes[s] as usize]; // use char code to index glyph [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/bin/bayes.rs:96:21 [INFO] [stdout] | [INFO] [stdout] 96 | let mut mean = filtered [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/bin/bayes.rs:101:21 [INFO] [stdout] | [INFO] [stdout] 101 | let mut variance = filtered.iter().fold(0., |acc, &x| { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 6.46s [INFO] running `Command { std: "docker" "inspect" "d9cf4fc2d8210fd4a026b61c27ebaa79f03d463ee0979db9873619e623e70e28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9cf4fc2d8210fd4a026b61c27ebaa79f03d463ee0979db9873619e623e70e28", kill_on_drop: false }` [INFO] [stdout] d9cf4fc2d8210fd4a026b61c27ebaa79f03d463ee0979db9873619e623e70e28 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3a06ab3982d821b5f82a6cd8df98c83958234a7329fb31dacdb521c10f9a5ecb [INFO] running `Command { std: "docker" "start" "-a" "3a06ab3982d821b5f82a6cd8df98c83958234a7329fb31dacdb521c10f9a5ecb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/bayes.rs:96:21 [INFO] [stderr] | [INFO] [stderr] 96 | let mut mean = filtered [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/bin/bayes.rs:101:21 [INFO] [stderr] | [INFO] [stderr] 101 | let mut variance = filtered.iter().fold(0., |acc, &x| { [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/fb.rs:241:21 [INFO] [stderr] | [INFO] [stderr] 241 | let mut glyph = &glyphs[time_bytes[s] as usize]; // use char code to index glyph [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: `rs-examples` (bin "bayes" test) generated 2 warnings [INFO] [stderr] warning: `rs-examples` (bin "fb" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/bayes-91da3a7c58386a20) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/fb-a4b9afc5ff38111f) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/type-cf6ab01333ab2952) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test::valid_judgement ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3a06ab3982d821b5f82a6cd8df98c83958234a7329fb31dacdb521c10f9a5ecb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a06ab3982d821b5f82a6cd8df98c83958234a7329fb31dacdb521c10f9a5ecb", kill_on_drop: false }` [INFO] [stdout] 3a06ab3982d821b5f82a6cd8df98c83958234a7329fb31dacdb521c10f9a5ecb