[INFO] fetching crate roo_parser 0.1.0...
[INFO] checking roo_parser-0.1.0 against master#5337252b9952fdd9482ed6a4add17254e5bd2c40 for pr-138785
[INFO] extracting crate roo_parser 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate roo_parser 0.1.0 on toolchain 5337252b9952fdd9482ed6a4add17254e5bd2c40
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate roo_parser 0.1.0
[INFO] finished tweaking crates.io crate roo_parser 0.1.0
[INFO] tweaked toml for crates.io crate roo_parser 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b4bf8a8321b151dcd3ff0c954e6a2c67a6edb259c29131030b831d83284fa70
[INFO] running `Command { std: "docker" "start" "-a" "1b4bf8a8321b151dcd3ff0c954e6a2c67a6edb259c29131030b831d83284fa70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b4bf8a8321b151dcd3ff0c954e6a2c67a6edb259c29131030b831d83284fa70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b4bf8a8321b151dcd3ff0c954e6a2c67a6edb259c29131030b831d83284fa70", kill_on_drop: false }`
[INFO] [stdout] 1b4bf8a8321b151dcd3ff0c954e6a2c67a6edb259c29131030b831d83284fa70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+5337252b9952fdd9482ed6a4add17254e5bd2c40" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c568e97a0156d2ffd66fcbb73e8cbe315962fa2e822c5602e730aa8a785690c
[INFO] running `Command { std: "docker" "start" "-a" "5c568e97a0156d2ffd66fcbb73e8cbe315962fa2e822c5602e730aa8a785690c", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking roo_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ops::Add`
[INFO] [stdout]  --> src/roo/de_layer.rs:1:67
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cell::RefCell, fs::File, io::{BufReader, Seek}, rc::Rc, ops::Add};
[INFO] [stdout]   |                                                                   ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Add`
[INFO] [stdout]  --> src/roo/de_layer.rs:1:67
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cell::RefCell, fs::File, io::{BufReader, Seek}, rc::Rc, ops::Add};
[INFO] [stdout]   |                                                                   ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DELIMITER` is never used
[INFO] [stdout]  --> src/roo/utils.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | static DELIMITER: [u8; 2] = [0x0D, 0x0A];
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DELIMITER` is never used
[INFO] [stdout]  --> src/roo/utils.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | static DELIMITER: [u8; 2] = [0x0D, 0x0A];
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "5c568e97a0156d2ffd66fcbb73e8cbe315962fa2e822c5602e730aa8a785690c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c568e97a0156d2ffd66fcbb73e8cbe315962fa2e822c5602e730aa8a785690c", kill_on_drop: false }`
[INFO] [stdout] 5c568e97a0156d2ffd66fcbb73e8cbe315962fa2e822c5602e730aa8a785690c