[INFO] fetching crate fcd 1.0.1...
[INFO] checking fcd-1.0.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate fcd 1.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate fcd 1.0.1
[INFO] finished tweaking crates.io crate fcd 1.0.1
[INFO] tweaked toml for crates.io crate fcd 1.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fcd 1.0.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fcd 1.0.1 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8feab9a5d58a110d0b6d15806602f8ccce4f72e766368bbed257b664fae54990
[INFO] running `Command { std: "docker" "start" "-a" "8feab9a5d58a110d0b6d15806602f8ccce4f72e766368bbed257b664fae54990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8feab9a5d58a110d0b6d15806602f8ccce4f72e766368bbed257b664fae54990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8feab9a5d58a110d0b6d15806602f8ccce4f72e766368bbed257b664fae54990", kill_on_drop: false }`
[INFO] [stdout] 8feab9a5d58a110d0b6d15806602f8ccce4f72e766368bbed257b664fae54990
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1939e16b1a68bf8c6db23d4a37065a8069dfeec8160f8a38bd95838537ac69d5
[INFO] running `Command { std: "docker" "start" "-a" "1939e16b1a68bf8c6db23d4a37065a8069dfeec8160f8a38bd95838537ac69d5", kill_on_drop: false }`
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[INFO] [stderr]     Checking fcd v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `remove` is never used
[INFO] [stdout]   --> src/fm/bookmarks.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Bookmarks {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn remove(&mut self, key: char) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]    --> src/viewer/text_viewer.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 95  | pub struct TextViewer {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 106 |     data: Vec<u8>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TextViewer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove` is never used
[INFO] [stdout]   --> src/fm/bookmarks.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Bookmarks {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn remove(&mut self, key: char) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]    --> src/viewer/text_viewer.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 95  | pub struct TextViewer {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 106 |     data: Vec<u8>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TextViewer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "1939e16b1a68bf8c6db23d4a37065a8069dfeec8160f8a38bd95838537ac69d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1939e16b1a68bf8c6db23d4a37065a8069dfeec8160f8a38bd95838537ac69d5", kill_on_drop: false }`
[INFO] [stdout] 1939e16b1a68bf8c6db23d4a37065a8069dfeec8160f8a38bd95838537ac69d5