[INFO] cloning repository https://github.com/komori-n/compiler-book-note
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/komori-n/compiler-book-note" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkomori-n%2Fcompiler-book-note", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkomori-n%2Fcompiler-book-note'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 144177f4e5a8a201dee671ece44e9ab921f70d7b
[INFO] checking komori-n/compiler-book-note against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkomori-n%2Fcompiler-book-note" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/komori-n/compiler-book-note on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/komori-n/compiler-book-note
[INFO] finished tweaking git repo https://github.com/komori-n/compiler-book-note
[INFO] tweaked toml for git repo https://github.com/komori-n/compiler-book-note written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/komori-n/compiler-book-note already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5071313c7b9c04b70ad1c434f64516a55c371a610788784ab0b58513618dc42f
[INFO] running `Command { std: "docker" "start" "-a" "5071313c7b9c04b70ad1c434f64516a55c371a610788784ab0b58513618dc42f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5071313c7b9c04b70ad1c434f64516a55c371a610788784ab0b58513618dc42f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5071313c7b9c04b70ad1c434f64516a55c371a610788784ab0b58513618dc42f", kill_on_drop: false }`
[INFO] [stdout] 5071313c7b9c04b70ad1c434f64516a55c371a610788784ab0b58513618dc42f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 850f8c538f46e3bb747cc05186652696281ed1c0c7086bda2d5dac71e15a6815
[INFO] running `Command { std: "docker" "start" "-a" "850f8c538f46e3bb747cc05186652696281ed1c0c7086bda2d5dac71e15a6815", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking lexical-core v0.7.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking nom v6.1.2
[INFO] [stderr]     Checking kcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `one_of`
[INFO] [stdout]  --> src/token/parser.rs:2:144
[INFO] [stdout]   |
[INFO] [stdout] 2 | ...er::complete::{alphanumeric1, digit1, multispace0, multispace1, one_of}, combinator::{map, map_res, opt}, error::{VerboseError}, multi...
[INFO] [stdout]   |                                                                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `one_of`
[INFO] [stdout]  --> src/token/parser.rs:2:144
[INFO] [stdout]   |
[INFO] [stdout] 2 | ...er::complete::{alphanumeric1, digit1, multispace0, multispace1, one_of}, combinator::{map, map_res, opt}, error::{VerboseError}, multi...
[INFO] [stdout]   |                                                                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Binary`
[INFO] [stdout]    --> src/token/parser.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |     use std::fmt::Binary;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.71s
[INFO] running `Command { std: "docker" "inspect" "850f8c538f46e3bb747cc05186652696281ed1c0c7086bda2d5dac71e15a6815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850f8c538f46e3bb747cc05186652696281ed1c0c7086bda2d5dac71e15a6815", kill_on_drop: false }`
[INFO] [stdout] 850f8c538f46e3bb747cc05186652696281ed1c0c7086bda2d5dac71e15a6815