[INFO] cloning repository https://github.com/mariiillo/ferro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mariiillo/ferro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmariiillo%2Fferro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmariiillo%2Fferro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94e1340df977116fbfb05b165ac7032ba3c27edd
[INFO] checking mariiillo/ferro against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmariiillo%2Fferro" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mariiillo/ferro 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/mariiillo/ferro
[INFO] finished tweaking git repo https://github.com/mariiillo/ferro
[INFO] tweaked toml for git repo https://github.com/mariiillo/ferro written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mariiillo/ferro 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e48fff7555c32c708c3e7a5618ef4b93430c0132c80f36ddbfdd49162be666d3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e48fff7555c32c708c3e7a5618ef4b93430c0132c80f36ddbfdd49162be666d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e48fff7555c32c708c3e7a5618ef4b93430c0132c80f36ddbfdd49162be666d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e48fff7555c32c708c3e7a5618ef4b93430c0132c80f36ddbfdd49162be666d3", kill_on_drop: false }`
[INFO] [stdout] e48fff7555c32c708c3e7a5618ef4b93430c0132c80f36ddbfdd49162be666d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] edbc0b8f1f1c3ce061ef8d866538ebc1a2f4ea1b1bf3d4bd23dc93e2f9398fb2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "edbc0b8f1f1c3ce061ef8d866538ebc1a2f4ea1b1bf3d4bd23dc93e2f9398fb2", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking ferro v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[INFO] [stdout] warning: field is never read: `description`
[INFO] [stdout]  --> src/entities.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     description: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `completed`
[INFO] [stdout]  --> src/entities.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     completed: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `description`
[INFO] [stdout]  --> src/entities.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     description: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `completed`
[INFO] [stdout]  --> src/entities.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     completed: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking ferro v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: field is never read: `description`
[INFO] [stdout]  --> src/entities.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     description: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `completed`
[INFO] [stdout]  --> src/entities.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     completed: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `description`
[INFO] [stdout]  --> src/entities.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     description: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `completed`
[INFO] [stdout]  --> src/entities.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     completed: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "edbc0b8f1f1c3ce061ef8d866538ebc1a2f4ea1b1bf3d4bd23dc93e2f9398fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edbc0b8f1f1c3ce061ef8d866538ebc1a2f4ea1b1bf3d4bd23dc93e2f9398fb2", kill_on_drop: false }`
[INFO] [stdout] edbc0b8f1f1c3ce061ef8d866538ebc1a2f4ea1b1bf3d4bd23dc93e2f9398fb2