[INFO] fetching crate see_directory 0.3.1... [INFO] checking see_directory-0.3.1 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] extracting crate see_directory 0.3.1 into /workspace/builds/worker-17/source [INFO] validating manifest of crates.io crate see_directory 0.3.1 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 crates.io crate see_directory 0.3.1 [INFO] finished tweaking crates.io crate see_directory 0.3.1 [INFO] tweaked toml for crates.io crate see_directory 0.3.1 written to /workspace/builds/worker-17/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] fe9a2307585a9708ffe6bf40eb3004931442a8d8269b5f1cc7b59553006082aa [INFO] running `Command { std: "docker" "start" "-a" "fe9a2307585a9708ffe6bf40eb3004931442a8d8269b5f1cc7b59553006082aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fe9a2307585a9708ffe6bf40eb3004931442a8d8269b5f1cc7b59553006082aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe9a2307585a9708ffe6bf40eb3004931442a8d8269b5f1cc7b59553006082aa", kill_on_drop: false }` [INFO] [stdout] fe9a2307585a9708ffe6bf40eb3004931442a8d8269b5f1cc7b59553006082aa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 68069e5828eaf0e248465f0ab1b7619f1f4caeb5459182185bbd64ed0c7e8863 [INFO] running `Command { std: "docker" "start" "-a" "68069e5828eaf0e248465f0ab1b7619f1f4caeb5459182185bbd64ed0c7e8863", 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] Blocking waiting for file lock on package cache [INFO] [stderr] Checking see_directory v0.3.1 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/lib.rs (1 fix) [INFO] [stdout] warning: value assigned to `sub` is never read [INFO] [stdout] --> src/lib.rs:15:21 [INFO] [stdout] | [INFO] [stdout] 15 | let mut sub: Vec = Vec::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `sub` is never read [INFO] [stdout] --> src/lib.rs:15:21 [INFO] [stdout] | [INFO] [stdout] 15 | let mut sub: Vec = Vec::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.58s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking see_directory v0.3.1 (/tmp/fixit) [INFO] [stdout] warning: value assigned to `sub` is never read [INFO] [stdout] --> src/lib.rs:15:21 [INFO] [stdout] | [INFO] [stdout] 15 | let mut sub: Vec = Vec::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `sub` is never read [INFO] [stdout] --> src/lib.rs:15:21 [INFO] [stdout] | [INFO] [stdout] 15 | let mut sub: Vec = Vec::new(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "68069e5828eaf0e248465f0ab1b7619f1f4caeb5459182185bbd64ed0c7e8863", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68069e5828eaf0e248465f0ab1b7619f1f4caeb5459182185bbd64ed0c7e8863", kill_on_drop: false }` [INFO] [stdout] 68069e5828eaf0e248465f0ab1b7619f1f4caeb5459182185bbd64ed0c7e8863