[INFO] cloning repository https://github.com/SirGFM/rusty-but-fast
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SirGFM/rusty-but-fast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirGFM%2Frusty-but-fast", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirGFM%2Frusty-but-fast'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65a81cd60661abd7c448d05c355f69fcbff6d5c5
[INFO] checking SirGFM/rusty-but-fast against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirGFM%2Frusty-but-fast" "/workspace/builds/worker-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SirGFM/rusty-but-fast 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/SirGFM/rusty-but-fast
[INFO] finished tweaking git repo https://github.com/SirGFM/rusty-but-fast
[INFO] tweaked toml for git repo https://github.com/SirGFM/rusty-but-fast written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] crate git repo https://github.com/SirGFM/rusty-but-fast 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v3.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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] beb74ce0b4b4a18359fae0bdc40908a434d57b2192349ea3f4d08a7a7fc354b6
[INFO] running `Command { std: "docker" "start" "-a" "beb74ce0b4b4a18359fae0bdc40908a434d57b2192349ea3f4d08a7a7fc354b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "beb74ce0b4b4a18359fae0bdc40908a434d57b2192349ea3f4d08a7a7fc354b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beb74ce0b4b4a18359fae0bdc40908a434d57b2192349ea3f4d08a7a7fc354b6", kill_on_drop: false }`
[INFO] [stdout] beb74ce0b4b4a18359fae0bdc40908a434d57b2192349ea3f4d08a7a7fc354b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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] 363ca24ef763250304026b672481da2340f06b1b6b9ef3e9220596637358b257
[INFO] running `Command { std: "docker" "start" "-a" "363ca24ef763250304026b672481da2340f06b1b6b9ef3e9220596637358b257", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ctrlc v3.1.4
[INFO] [stderr]     Checking rusty-but-fast v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/tlv.rs (1 fix)
[INFO] [stderr]        Fixed src/timer.rs (14 fixes)
[INFO] [stdout] warning: associated function is never used: `read_arr`
[INFO] [stdout]    --> src/tlv.rs:704:8
[INFO] [stdout]     |
[INFO] [stdout] 704 |     fn read_arr<T>(&mut self, out: &mut [T])
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating src/bin/timer_server.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/timer_client.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/bin/timer_server.rs (1 fix)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.56s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking rusty-but-fast v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: associated function is never used: `read_arr`
[INFO] [stdout]    --> src/tlv.rs:704:8
[INFO] [stdout]     |
[INFO] [stdout] 704 |     fn read_arr<T>(&mut self, out: &mut [T])
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "363ca24ef763250304026b672481da2340f06b1b6b9ef3e9220596637358b257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363ca24ef763250304026b672481da2340f06b1b6b9ef3e9220596637358b257", kill_on_drop: false }`
[INFO] [stdout] 363ca24ef763250304026b672481da2340f06b1b6b9ef3e9220596637358b257