[INFO] cloning repository https://github.com/alvinometric/rustidoo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alvinometric/rustidoo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvinometric%2Frustidoo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvinometric%2Frustidoo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b594ad07d77eb84e696bf7a7eb8ed7eb310da6e
[INFO] testing alvinometric/rustidoo against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvinometric%2Frustidoo" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alvinometric/rustidoo
[INFO] finished tweaking git repo https://github.com/alvinometric/rustidoo
[INFO] tweaked toml for git repo https://github.com/alvinometric/rustidoo written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alvinometric/rustidoo on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alvinometric/rustidoo 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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
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[INFO] [stderr]   Downloaded windows v0.39.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e510b34be00973e021b5d7d75b9927c3eed5b9027e3933cb9ef451aafc7cabb3
[INFO] running `Command { std: "docker" "start" "-a" "e510b34be00973e021b5d7d75b9927c3eed5b9027e3933cb9ef451aafc7cabb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e510b34be00973e021b5d7d75b9927c3eed5b9027e3933cb9ef451aafc7cabb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e510b34be00973e021b5d7d75b9927c3eed5b9027e3933cb9ef451aafc7cabb3", kill_on_drop: false }`
[INFO] [stdout] e510b34be00973e021b5d7d75b9927c3eed5b9027e3933cb9ef451aafc7cabb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 270c5124e40a80ee462596b82d04061bb9da9476d0d2b54abb4c3ad323c4c833
[INFO] running `Command { std: "docker" "start" "-a" "270c5124e40a80ee462596b82d04061bb9da9476d0d2b54abb4c3ad323c4c833", kill_on_drop: false }`
[INFO] [stderr] warning: rustidoo v0.1.0 (/opt/rustwide/workdir) ignoring invalid dependency `cargo-watch` which is missing a lib target
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling num2words v0.4.1
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling fraction v0.13.1
[INFO] [stderr]    Compiling rustidoo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.69s
[INFO] running `Command { std: "docker" "inspect" "270c5124e40a80ee462596b82d04061bb9da9476d0d2b54abb4c3ad323c4c833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270c5124e40a80ee462596b82d04061bb9da9476d0d2b54abb4c3ad323c4c833", kill_on_drop: false }`
[INFO] [stdout] 270c5124e40a80ee462596b82d04061bb9da9476d0d2b54abb4c3ad323c4c833
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 7c2de7d764c3df4a12227fc78a5e81d269758c48bc8c2fa9e25fcb02e818be7c
[INFO] running `Command { std: "docker" "start" "-a" "7c2de7d764c3df4a12227fc78a5e81d269758c48bc8c2fa9e25fcb02e818be7c", kill_on_drop: false }`
[INFO] [stderr] warning: rustidoo v0.1.0 (/opt/rustwide/workdir) ignoring invalid dependency `cargo-watch` which is missing a lib target
[INFO] [stderr]    Compiling rustidoo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> examples/291/main.rs:22:44
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn fraction_math(a: &str, operation: &str, b: &str) -> String {
[INFO] [stdout]    |                                            ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out_format`
[INFO] [stdout]   --> examples/292/main.rs:18:35
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn convert_color(in_format: &str, out_format: &str, color: &str) -> String {
[INFO] [stdout]    |                                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_format`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.10s
[INFO] running `Command { std: "docker" "inspect" "7c2de7d764c3df4a12227fc78a5e81d269758c48bc8c2fa9e25fcb02e818be7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c2de7d764c3df4a12227fc78a5e81d269758c48bc8c2fa9e25fcb02e818be7c", kill_on_drop: false }`
[INFO] [stdout] 7c2de7d764c3df4a12227fc78a5e81d269758c48bc8c2fa9e25fcb02e818be7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 9dbca19402c23f7c17dc4a5c9f11a701a939e524e56876d95751847196a62bcf
[INFO] running `Command { std: "docker" "start" "-a" "9dbca19402c23f7c17dc4a5c9f11a701a939e524e56876d95751847196a62bcf", kill_on_drop: false }`
[INFO] [stderr] warning: rustidoo v0.1.0 (/opt/rustwide/workdir) ignoring invalid dependency `cargo-watch` which is missing a lib target
[INFO] [stderr] warning: unused variable: `out_format`
[INFO] [stderr]   --> examples/292/main.rs:18:35
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn convert_color(in_format: &str, out_format: &str, color: &str) -> String {
[INFO] [stderr]    |                                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_format`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustidoo` (example "292") generated 1 warning
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> examples/291/main.rs:22:44
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn fraction_math(a: &str, operation: &str, b: &str) -> String {
[INFO] [stderr]    |                                            ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustidoo` (example "291") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/bin/inc_example.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/inc_example-ebf025577b4b1e7f)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rustidoo-0ceafe9b1252fdbb)
[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] [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" "9dbca19402c23f7c17dc4a5c9f11a701a939e524e56876d95751847196a62bcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dbca19402c23f7c17dc4a5c9f11a701a939e524e56876d95751847196a62bcf", kill_on_drop: false }`
[INFO] [stdout] 9dbca19402c23f7c17dc4a5c9f11a701a939e524e56876d95751847196a62bcf