[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] building ryansetzer/rust-startup-welcome against try#9a3ef2cd3ecaae3c6ef59768612837d797602a6d for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryansetzer%2Frust-startup-welcome" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
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[INFO] validating manifest of git repo https://github.com/ryansetzer/rust-startup-welcome on toolchain 9a3ef2cd3ecaae3c6ef59768612837d797602a6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3-tc2/source/Cargo.toml
[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" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b12c1426b3be9d3a88bc433973967d8179a436afffc243e7f5bd2af21c69b724
[INFO] running `Command { std: "docker" "start" "-a" "b12c1426b3be9d3a88bc433973967d8179a436afffc243e7f5bd2af21c69b724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b12c1426b3be9d3a88bc433973967d8179a436afffc243e7f5bd2af21c69b724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b12c1426b3be9d3a88bc433973967d8179a436afffc243e7f5bd2af21c69b724", kill_on_drop: false }`
[INFO] [stdout] b12c1426b3be9d3a88bc433973967d8179a436afffc243e7f5bd2af21c69b724
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e644d688527a942129c775d9b57126c2d9c8d4b859dedc5a8550ac1a4181ffb
[INFO] running `Command { std: "docker" "start" "-a" "6e644d688527a942129c775d9b57126c2d9c8d4b859dedc5a8550ac1a4181ffb", 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 unicode-ident v1.0.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling rust_decimal v1.36.0
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling cc v1.1.14
[INFO] [stderr]    Compiling utf8-width v0.1.7
[INFO] [stderr]    Compiling bytes v1.7.1
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling figlet-rs v0.1.5
[INFO] [stderr]    Compiling whoami v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling compound_duration v1.2.1
[INFO] [stderr]    Compiling online v4.0.2
[INFO] [stderr]    Compiling raw-cpuid v11.2.0
[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 syn v2.0.72
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling sys-info v0.9.1
[INFO] [stderr]    Compiling byte-unit v5.1.4
[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 tokio-macros v2.4.0
[INFO] [stderr]    Compiling sysinfo v0.30.13
[INFO] [stderr]    Compiling tokio v1.40.0
[INFO] [stderr]    Compiling regex v1.10.5
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.55s
[INFO] running `Command { std: "docker" "inspect" "6e644d688527a942129c775d9b57126c2d9c8d4b859dedc5a8550ac1a4181ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e644d688527a942129c775d9b57126c2d9c8d4b859dedc5a8550ac1a4181ffb", kill_on_drop: false }`
[INFO] [stdout] 6e644d688527a942129c775d9b57126c2d9c8d4b859dedc5a8550ac1a4181ffb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c6ac67faf76d15bf15f25094fd296f247576aedb272150d2c1368fd5f5798f5
[INFO] running `Command { std: "docker" "start" "-a" "2c6ac67faf76d15bf15f25094fd296f247576aedb272150d2c1368fd5f5798f5", 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "2c6ac67faf76d15bf15f25094fd296f247576aedb272150d2c1368fd5f5798f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c6ac67faf76d15bf15f25094fd296f247576aedb272150d2c1368fd5f5798f5", kill_on_drop: false }`
[INFO] [stdout] 2c6ac67faf76d15bf15f25094fd296f247576aedb272150d2c1368fd5f5798f5