[INFO] cloning repository https://github.com/hsmtkk/animated-couscous
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hsmtkk/animated-couscous" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fanimated-couscous", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fanimated-couscous'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98468c2d837f2e0cbbbb0e60451c7972144e2db7
[INFO] checking hsmtkk/animated-couscous against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fanimated-couscous" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hsmtkk/animated-couscous on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hsmtkk/animated-couscous
[INFO] finished tweaking git repo https://github.com/hsmtkk/animated-couscous
[INFO] tweaked toml for git repo https://github.com/hsmtkk/animated-couscous written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/hsmtkk/animated-couscous already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dc846f8a9ec1e4183d7f487732ee76fcb3975c08a148bb72918ac473145b43c
[INFO] running `Command { std: "docker" "start" "-a" "1dc846f8a9ec1e4183d7f487732ee76fcb3975c08a148bb72918ac473145b43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dc846f8a9ec1e4183d7f487732ee76fcb3975c08a148bb72918ac473145b43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc846f8a9ec1e4183d7f487732ee76fcb3975c08a148bb72918ac473145b43c", kill_on_drop: false }`
[INFO] [stdout] 1dc846f8a9ec1e4183d7f487732ee76fcb3975c08a148bb72918ac473145b43c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4031528c969bd23c7299d68de9428a064df57bf9f5529a25e6d63ff23ade9de
[INFO] running `Command { std: "docker" "start" "-a" "b4031528c969bd23c7299d68de9428a064df57bf9f5529a25e6d63ff23ade9de", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking animated-couscous v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stdout] warning: field is never read: `mass`
[INFO] [stdout]  --> src/rabbit_carrot.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     mass: u32,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/rabbit_carrot.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn new(mass:u32, sugar:u32) -> Carrot {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_tester`
[INFO] [stdout]   --> src/rabbit_carrot.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn new_tester(sugar_std:u32, accepted_error:u32) -> impl Tester {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rabbit_carrot.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn new(sugar_std:u32, accepted_error:u32) -> TesterImpl {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `select`
[INFO] [stdout]   --> src/rabbit_carrot.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn select(tester:impl Tester, carrots:Vec<Carrot>) -> Option<usize>{
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking animated-couscous v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: field is never read: `mass`
[INFO] [stdout]  --> src/rabbit_carrot.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     mass: u32,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/rabbit_carrot.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn new(mass:u32, sugar:u32) -> Carrot {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_tester`
[INFO] [stdout]   --> src/rabbit_carrot.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn new_tester(sugar_std:u32, accepted_error:u32) -> impl Tester {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rabbit_carrot.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn new(sugar_std:u32, accepted_error:u32) -> TesterImpl {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `select`
[INFO] [stdout]   --> src/rabbit_carrot.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn select(tester:impl Tester, carrots:Vec<Carrot>) -> Option<usize>{
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "b4031528c969bd23c7299d68de9428a064df57bf9f5529a25e6d63ff23ade9de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4031528c969bd23c7299d68de9428a064df57bf9f5529a25e6d63ff23ade9de", kill_on_drop: false }`
[INFO] [stdout] b4031528c969bd23c7299d68de9428a064df57bf9f5529a25e6d63ff23ade9de