[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#c066bf6804adc55193b71afdff6a56922f4a8689+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryansetzer%2Frust-startup-welcome" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
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error: unable to write file target/release/deps/libsysinfo-a47d2eb4b68b42ea.rlib
[INFO] [stderr] error: unable to write file target/release/deps/libsysinfo-a47d2eb4b68b42ea.rmeta
[INFO] [stderr] error: unable to write file target/release/deps/libsysinfo-ed263e37fd9dc585.rlib
[INFO] [stderr] error: unable to write file target/release/deps/libsysinfo-ed263e37fd9dc585.rmeta
[INFO] [stderr] Updating files:  98% (4895/4994)
error: unable to write file target/release/deps/libtokio-82462f265c1f6d15.rlib
[INFO] [stderr] Updating files:  98% (4898/4994)
error: unable to write file target/release/deps/libtokio-82462f265c1f6d15.rmeta
[INFO] [stderr] error: unable to write file target/release/deps/libtokio_macros-b2f4bd50b1d42544.so
[INFO] [stderr] error: unable to write file target/release/deps/libtokio_macros-df3f0b78ef434e31.so
[INFO] [stderr] error: unable to write file target/release/deps/libunicode_ident-188184546041c60d.rlib
[INFO] [stderr] error: unable to write file target/release/deps/libunicode_ident-188184546041c60d.rmeta
[INFO] [stderr] error: unable to write file target/release/deps/libunicode_ident-68df49463c27431b.rlib
[INFO] [stderr] error: unable to write file target/release/deps/libwhoami-35dc1cf2149bc001.rlib
[INFO] [stderr] error: unable to write file target/release/deps/libwhoami-35dc1cf2149bc001.rmeta
[INFO] [stderr] error: unable to write file target/release/deps/libwhoami-93fa079fa5c15e1f.rlib
[INFO] [stderr] error: unable to write file target/release/deps/libwhoami-93fa079fa5c15e1f.rmeta
[INFO] [stderr] error: unable to write file target/release/deps/libwhoami-9b12876463467a45.rlib
[INFO] [stderr] error: unable to write file target/release/deps/libwhoami-9b12876463467a45.rmeta
[INFO] [stderr] error: unable to write file target/release/deps/lock_api-39272cb48508988c.d
[INFO] [stderr] error: unable to write file target/release/deps/lock_api-539cb34718fa2c5c.d
[INFO] [stderr] error: unable to write file target/release/deps/memchr-3dcae2cf52962ce3.d
[INFO] [stderr] error: unable to write file target/release/deps/memchr-9ca6abf11229cd98.d
[INFO] [stderr] error: unable to write file target/release/deps/memchr-fe90dc0df002ae9b.d
[INFO] [stderr] error: unable to write file target/release/deps/mio-5deea1cf8653ee06.d
[INFO] [stderr] error: unable to write file target/release/deps/mio-5fe8c553f78d9c20.d
[INFO] [stderr] error: unable to write file target/release/deps/num_traits-08b8d127d0963b55.d
[INFO] [stderr] error: unable to write file target/release/deps/num_traits-69c47062ae69a1b7.d
[INFO] [stderr] error: unable to write file target/release/deps/num_traits-f176d7b3f81c3e71.d
[INFO] [stderr] error: unable to write file target/release/deps/once_cell-198a3651e214f7de.d
[INFO] [stderr] error: unable to write file target/release/deps/once_cell-45c9a157cea62d31.d
[INFO] [stderr] error: unable to write file target/release/deps/once_cell-d6b48e80c2c94534.d
[INFO] [stderr] error: unable to write file target/release/deps/online-04b0e4d4d44145d8.d
[INFO] [stderr] error: unable to write file target/release/deps/online-adbaa03674d1efd6.d
[INFO] [stderr] error: unable to write file target/release/deps/parking_lot-84b9f383d61b31fb.d
[INFO] [stderr] error: unable to write file target/release/deps/parking_lot-baff3807d3891f2c.d
[INFO] [stderr] error: unable to write file target/release/deps/parking_lot_core-73abeb131171ad83.d
[INFO] [stderr] error: unable to write file target/release/deps/parking_lot_core-fd88830c04724984.d
[INFO] [stderr] error: unable to write file target/release/deps/pin_project_lite-5d578e054586124a.d
[INFO] [stderr] error: unable to write file target/release/deps/pin_project_lite-8bfa61409c13484f.d
[INFO] [stderr] error: unable to write file target/release/deps/proc_macro2-5547a3da0149a529.d
[INFO] [stderr] error: unable to write file target/release/deps/proc_macro2-693c302b1f5f7c6d.d
[INFO] [stderr] error: unable to write file target/release/deps/quote-0dc12a105b42be32.d
[INFO] [stderr] error: unable to write file target/release/deps/quote-d09ac2b386486580.d
[INFO] [stderr] error: unable to write file target/release/deps/raw_cpuid-1033699dd021a1da.d
[INFO] [stderr] error: unable to write file target/release/deps/rayon-710eb6c85012b154.d
[INFO] [stderr] error: unable to write file target/release/deps/rayon-a6956bb40ec0b920.d
[INFO] [stderr] Updating files:  99% (4945/4994)
error: unable to write file target/release/deps/rayon-dc24b92ec2cc338e.d
[INFO] [stderr] error: unable to write file target/release/deps/rayon_core-3f86947cb522dc89.d
[INFO] [stderr] error: unable to write file target/release/deps/rayon_core-69c6266ac0cb9a8d.d
[INFO] [stderr] error: unable to write file target/release/deps/rayon_core-f4015dce1ca7b81c.d
[INFO] [stderr] error: unable to write file target/release/deps/regex-028c4678b252c467.d
[INFO] [stderr] error: unable to write file target/release/deps/regex-4537fdba6b55dd69.d
[INFO] [stderr] error: unable to write file target/release/deps/regex-e4bdff2592e044c9.d
[INFO] [stderr] error: unable to write file target/release/deps/regex_automata-4e240c5dda69c8c6.d
[INFO] [stderr] error: unable to write file target/release/deps/regex_automata-5a3283242b5c5b3c.d
[INFO] [stderr] error: unable to write file target/release/deps/regex_automata-cf48025788fc6fd5.d
[INFO] [stderr] error: unable to write file target/release/deps/regex_syntax-35b842f7f09cc172.d
[INFO] [stderr] error: unable to write file target/release/deps/regex_syntax-4a9a36d67fad0a54.d
[INFO] [stderr] error: unable to write file target/release/deps/regex_syntax-ec2fe6f766c5a242.d
[INFO] [stderr] error: unable to write file target/release/deps/rust_decimal-02379cd613655263.d
[INFO] [stderr] error: unable to write file target/release/deps/rust_decimal-a57a9a029edebc1c.d
[INFO] [stderr] error: unable to write file target/release/deps/rust_decimal-b9b8e9b53c8be1ce.d
[INFO] [stderr] error: unable to write file target/release/deps/scopeguard-562cd82c371cee22.d
[INFO] [stderr] error: unable to write file target/release/deps/scopeguard-c08d66efd0e36a4f.d
[INFO] [stderr] error: unable to write file target/release/deps/shlex-49321b36398cd570.d
[INFO] [stderr] error: unable to write file target/release/deps/shlex-4b253618afe131a5.d
[INFO] [stderr] error: unable to write file target/release/deps/shlex-78f84ee8f4d1b1b2.d
[INFO] [stderr] error: unable to write file target/release/deps/signal_hook_registry-0bd883c10e3956cb.d
[INFO] [stderr] error: unable to write file target/release/deps/signal_hook_registry-cb7af295054bffb7.d
[INFO] [stderr] error: unable to write file target/release/deps/smallvec-665964e0088053de.d
[INFO] [stderr] error: unable to write file target/release/deps/smallvec-d9b717d304ecb104.d
[INFO] [stderr] error: unable to write file target/release/deps/socket2-11b2378e48ef05cb.d
[INFO] [stderr] error: unable to write file target/release/deps/socket2-7f6d5bfc9e98714f.d
[INFO] [stderr] error: unable to write file target/release/deps/syn-03df3e9d13b0eff5.d
[INFO] [stderr] error: unable to write file target/release/deps/syn-7ce8948d4ae1ab06.d
[INFO] [stderr] error: unable to write file target/release/deps/sys_info-82952be9ac7247dd.d
[INFO] [stderr] error: unable to write file target/release/deps/sys_info-aa8370d737f45c91.d
[INFO] [stderr] error: unable to write file target/release/deps/sys_info-aa95026dc8ffde33.d
[INFO] [stderr] error: unable to write file target/release/deps/sysinfo-6131f2038ef2e901.d
[INFO] [stderr] error: unable to write file target/release/deps/sysinfo-a47d2eb4b68b42ea.d
[INFO] [stderr] error: unable to write file target/release/deps/sysinfo-ed263e37fd9dc585.d
[INFO] [stderr] error: unable to write file target/release/deps/tokio-3143a641d8b20dfe.d
[INFO] [stderr] error: unable to write file target/release/deps/tokio-82462f265c1f6d15.d
[INFO] [stderr] error: unable to write file target/release/deps/tokio_macros-b2f4bd50b1d42544.d
[INFO] [stderr] error: unable to write file target/release/deps/tokio_macros-df3f0b78ef434e31.d
[INFO] [stderr] error: unable to write file target/release/deps/unicode_ident-188184546041c60d.d
[INFO] [stderr] error: unable to write file target/release/deps/unicode_ident-68df49463c27431b.d
[INFO] [stderr] error: unable to write file target/release/deps/utf8_width-33d620d2b787766f.d
[INFO] [stderr] error: unable to create file target/release/deps/utf8_width-768b90f9b22b7064.d: No space left on device
[INFO] [stderr] error: unable to write file target/release/deps/utf8_width-d1e812c6ffeac286.d
[INFO] [stderr] error: unable to write file target/release/deps/whoami-35dc1cf2149bc001.d
[INFO] [stderr] error: unable to write file target/release/deps/whoami-93fa079fa5c15e1f.d
[INFO] [stderr] error: unable to write file target/release/deps/whoami-9b12876463467a45.d
[INFO] [stderr] error: unable to write file target/release/hapjacks-playground
[INFO] [stderr] error: unable to write file target/release/hapjacks-playground.d
[INFO] [stderr] Updating files: 100% (4994/4994)
Updating files: 100% (4994/4994), done.
[INFO] [stderr] fatal: unable to checkout working tree
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] testing ryansetzer/rust-startup-welcome against try#c066bf6804adc55193b71afdff6a56922f4a8689+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryansetzer%2Frust-startup-welcome" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  36% (1844/4994)
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Updating files: 100% (4994/4994), done.
[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-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryansetzer/rust-startup-welcome on toolchain c066bf6804adc55193b71afdff6a56922f4a8689
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "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" "+c066bf6804adc55193b71afdff6a56922f4a8689" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded online v4.0.2
[INFO] [stderr]   Downloaded byte-unit v5.1.4
[INFO] [stderr]   Downloaded compound_duration v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11aff8c1793a4e00b0db85152d6ee156bda62dffa67089a941243c9d16c795ee
[INFO] running `Command { std: "docker" "start" "-a" "11aff8c1793a4e00b0db85152d6ee156bda62dffa67089a941243c9d16c795ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11aff8c1793a4e00b0db85152d6ee156bda62dffa67089a941243c9d16c795ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11aff8c1793a4e00b0db85152d6ee156bda62dffa67089a941243c9d16c795ee", kill_on_drop: false }`
[INFO] [stdout] 11aff8c1793a4e00b0db85152d6ee156bda62dffa67089a941243c9d16c795ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 54ff798c83e10c5c80280070197caa440d531ecfa5e9dcd6b77a2e44b28b3d5b
[INFO] running `Command { std: "docker" "start" "-a" "54ff798c83e10c5c80280070197caa440d531ecfa5e9dcd6b77a2e44b28b3d5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling libc v0.2.155
[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 rayon-core v1.12.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling rust_decimal v1.36.0
[INFO] [stderr]    Compiling cc v1.1.14
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[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 parking_lot v0.12.3
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling sys-info v0.9.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling utf8-width v0.1.7
[INFO] [stderr]    Compiling bytes v1.7.1
[INFO] [stderr]    Compiling byte-unit v5.1.4
[INFO] [stderr]    Compiling raw-cpuid v11.2.0
[INFO] [stderr]    Compiling whoami v1.5.1
[INFO] [stderr]    Compiling figlet-rs v0.1.5
[INFO] [stderr]    Compiling compound_duration v1.2.1
[INFO] [stderr]    Compiling online v4.0.2
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling sysinfo v0.30.13
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.47s
[INFO] running `Command { std: "docker" "inspect" "54ff798c83e10c5c80280070197caa440d531ecfa5e9dcd6b77a2e44b28b3d5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ff798c83e10c5c80280070197caa440d531ecfa5e9dcd6b77a2e44b28b3d5b", kill_on_drop: false }`
[INFO] [stdout] 54ff798c83e10c5c80280070197caa440d531ecfa5e9dcd6b77a2e44b28b3d5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] d9a006b2704737408ae0332387772b8201f2331b4e5bf8ae8694961451815bd2
[INFO] running `Command { std: "docker" "start" "-a" "d9a006b2704737408ae0332387772b8201f2331b4e5bf8ae8694961451815bd2", 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 0.65s
[INFO] running `Command { std: "docker" "inspect" "d9a006b2704737408ae0332387772b8201f2331b4e5bf8ae8694961451815bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9a006b2704737408ae0332387772b8201f2331b4e5bf8ae8694961451815bd2", kill_on_drop: false }`
[INFO] [stdout] d9a006b2704737408ae0332387772b8201f2331b4e5bf8ae8694961451815bd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 120e0ed6f381b795e00734ebb594dfa6b8a2ddff7f53332a0c6c0507f4722a8a
[INFO] running `Command { std: "docker" "start" "-a" "120e0ed6f381b795e00734ebb594dfa6b8a2ddff7f53332a0c6c0507f4722a8a", 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)]` 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 0.15s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/hapjacks_playground-92ece1ea9f60c021)
[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" "120e0ed6f381b795e00734ebb594dfa6b8a2ddff7f53332a0c6c0507f4722a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "120e0ed6f381b795e00734ebb594dfa6b8a2ddff7f53332a0c6c0507f4722a8a", kill_on_drop: false }`
[INFO] [stdout] 120e0ed6f381b795e00734ebb594dfa6b8a2ddff7f53332a0c6c0507f4722a8a