[INFO] cloning repository https://github.com/ryansetzer/rust-startup-welcome [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryansetzer/rust-startup-welcome" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryansetzer%2Frust-startup-welcome", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryansetzer%2Frust-startup-welcome'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7d2ca1733e4836b928e8349833277e897bf6f404 [INFO] testing ryansetzer/rust-startup-welcome against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryansetzer%2Frust-startup-welcome" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. 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[INFO] started tweaking git repo https://github.com/ryansetzer/rust-startup-welcome [INFO] finished tweaking git repo https://github.com/ryansetzer/rust-startup-welcome [INFO] tweaked toml for git repo https://github.com/ryansetzer/rust-startup-welcome written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ryansetzer/rust-startup-welcome on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/ryansetzer/rust-startup-welcome already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dfc499ba6b626e8d53a6ecf0c837b76c7a18ab6ed064cec5242a3e9490157119 [INFO] running `Command { std: "docker" "start" "-a" "dfc499ba6b626e8d53a6ecf0c837b76c7a18ab6ed064cec5242a3e9490157119", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dfc499ba6b626e8d53a6ecf0c837b76c7a18ab6ed064cec5242a3e9490157119", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dfc499ba6b626e8d53a6ecf0c837b76c7a18ab6ed064cec5242a3e9490157119", kill_on_drop: false }` [INFO] [stdout] dfc499ba6b626e8d53a6ecf0c837b76c7a18ab6ed064cec5242a3e9490157119 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 38c7ce288ff2f473fad299756913235dc1befd3895504198f6b5fea5a3142d60 [INFO] running `Command { std: "docker" "start" "-a" "38c7ce288ff2f473fad299756913235dc1befd3895504198f6b5fea5a3142d60", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling cc v1.1.14 [INFO] [stderr] Compiling rust_decimal v1.36.0 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling either v1.13.0 [INFO] [stderr] Compiling regex-syntax v0.8.4 [INFO] [stderr] Compiling arrayvec v0.7.6 [INFO] [stderr] Compiling utf8-width v0.1.7 [INFO] [stderr] Compiling pin-project-lite v0.2.14 [INFO] [stderr] Compiling bytes v1.7.1 [INFO] [stderr] Compiling raw-cpuid v11.2.0 [INFO] [stderr] Compiling figlet-rs v0.1.5 [INFO] [stderr] Compiling online v4.0.2 [INFO] [stderr] Compiling whoami v1.5.1 [INFO] [stderr] Compiling compound_duration v1.2.1 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling crossbeam-deque v0.8.5 [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling sys-info v0.9.1 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling mio v1.0.2 [INFO] [stderr] Compiling socket2 v0.5.7 [INFO] [stderr] Compiling signal-hook-registry v1.4.2 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling regex-automata v0.4.7 [INFO] [stderr] Compiling byte-unit v5.1.4 [INFO] [stderr] Compiling sysinfo v0.30.13 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling regex v1.10.5 [INFO] [stderr] Compiling tokio v1.40.0 [INFO] [stderr] Compiling hapjacks-playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:209:9 [INFO] [stdout] | [INFO] [stdout] 209 | let mut result: String = String::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.63s [INFO] running `Command { std: "docker" "inspect" "38c7ce288ff2f473fad299756913235dc1befd3895504198f6b5fea5a3142d60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38c7ce288ff2f473fad299756913235dc1befd3895504198f6b5fea5a3142d60", kill_on_drop: false }` [INFO] [stdout] 38c7ce288ff2f473fad299756913235dc1befd3895504198f6b5fea5a3142d60 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 366e4d2834e910bd882aa35490f3f8bd83ac7eeb287e0b92a4d54f3d29898e2d [INFO] running `Command { std: "docker" "start" "-a" "366e4d2834e910bd882aa35490f3f8bd83ac7eeb287e0b92a4d54f3d29898e2d", kill_on_drop: false }` [INFO] [stderr] Compiling hapjacks-playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:209:9 [INFO] [stdout] | [INFO] [stdout] 209 | let mut result: String = String::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s [INFO] running `Command { std: "docker" "inspect" "366e4d2834e910bd882aa35490f3f8bd83ac7eeb287e0b92a4d54f3d29898e2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "366e4d2834e910bd882aa35490f3f8bd83ac7eeb287e0b92a4d54f3d29898e2d", kill_on_drop: false }` [INFO] [stdout] 366e4d2834e910bd882aa35490f3f8bd83ac7eeb287e0b92a4d54f3d29898e2d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d69225f95ed374419e05486150a33177c32fc1daeb007d5dadde174d783d8d02 [INFO] running `Command { std: "docker" "start" "-a" "d69225f95ed374419e05486150a33177c32fc1daeb007d5dadde174d783d8d02", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:209:9 [INFO] [stderr] | [INFO] [stderr] 209 | let mut result: String = String::new(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `hapjacks-playground` (bin "hapjacks-playground" test) generated 1 warning (run `cargo fix --bin "hapjacks-playground" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hapjacks_playground-b5ff2a4a26744c9f) [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" "d69225f95ed374419e05486150a33177c32fc1daeb007d5dadde174d783d8d02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d69225f95ed374419e05486150a33177c32fc1daeb007d5dadde174d783d8d02", kill_on_drop: false }` [INFO] [stdout] d69225f95ed374419e05486150a33177c32fc1daeb007d5dadde174d783d8d02