[INFO] cloning repository https://github.com/marius851000/wikidata_musicbrainz_script
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marius851000/wikidata_musicbrainz_script" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarius851000%2Fwikidata_musicbrainz_script", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarius851000%2Fwikidata_musicbrainz_script'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c26870013e8d91ae225c8b833fbe310de0254f4b
[INFO] checking marius851000/wikidata_musicbrainz_script against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarius851000%2Fwikidata_musicbrainz_script" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/marius851000/wikidata_musicbrainz_script
[INFO] finished tweaking git repo https://github.com/marius851000/wikidata_musicbrainz_script
[INFO] tweaked toml for git repo https://github.com/marius851000/wikidata_musicbrainz_script written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/marius851000/wikidata_musicbrainz_script on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/marius851000/wikidata_musicbrainz_script 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded xz v0.1.0
[INFO] [stderr]   Downloaded xz2 v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 000e45783dd116e0710ef9af78137c994ed9af7022929bae8fac4504b6d2cfaa
[INFO] running `Command { std: "docker" "start" "-a" "000e45783dd116e0710ef9af78137c994ed9af7022929bae8fac4504b6d2cfaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "000e45783dd116e0710ef9af78137c994ed9af7022929bae8fac4504b6d2cfaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "000e45783dd116e0710ef9af78137c994ed9af7022929bae8fac4504b6d2cfaa", kill_on_drop: false }`
[INFO] [stdout] 000e45783dd116e0710ef9af78137c994ed9af7022929bae8fac4504b6d2cfaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cbc87e65025081fe708b37fcfa982df1967e9e21b70ddac7534c58db5f94b66
[INFO] running `Command { std: "docker" "start" "-a" "6cbc87e65025081fe708b37fcfa982df1967e9e21b70ddac7534c58db5f94b66", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking xz v0.1.0
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking musicbrainz_wikidata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/main.rs:1:69
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::BTreeMap, fs::File, io::{BufRead, BufReader, Write}};
[INFO] [stdout]   |                                                                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/main.rs:1:69
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::BTreeMap, fs::File, io::{BufRead, BufReader, Write}};
[INFO] [stdout]   |                                                                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `line` is never read
[INFO] [stdout]   --> src/main.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut line = Vec::with_capacity(10_000);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `line` is never read
[INFO] [stdout]   --> src/main.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut line = Vec::with_capacity(10_000);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.06s
[INFO] running `Command { std: "docker" "inspect" "6cbc87e65025081fe708b37fcfa982df1967e9e21b70ddac7534c58db5f94b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cbc87e65025081fe708b37fcfa982df1967e9e21b70ddac7534c58db5f94b66", kill_on_drop: false }`
[INFO] [stdout] 6cbc87e65025081fe708b37fcfa982df1967e9e21b70ddac7534c58db5f94b66