[INFO] fetching crate jikken 0.8.2...
[INFO] checking jikken-0.8.2 against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] extracting crate jikken 0.8.2 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate jikken 0.8.2
[INFO] finished tweaking crates.io crate jikken 0.8.2
[INFO] tweaked toml for crates.io crate jikken 0.8.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate jikken 0.8.2 on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate jikken 0.8.2 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded validated v0.4.1
[INFO] [stderr]   Downloaded nonempty-collections v0.2.9
[INFO] [stderr]   Downloaded rustls-platform-verifier v0.3.4
[INFO] [stderr]   Downloaded enable-ansi-support v0.2.1
[INFO] [stderr]   Downloaded adjacent-pair-iterator v1.0.0
[INFO] [stderr]   Downloaded aligned v0.4.2
[INFO] [stderr]   Downloaded remove_dir_all v0.8.4
[INFO] [stderr]   Downloaded rustls-platform-verifier v0.5.0
[INFO] [stderr]   Downloaded uuid v1.14.0
[INFO] [stderr]   Downloaded cc v1.2.15
[INFO] [stderr]   Downloaded oas3 v0.4.0
[INFO] [stderr]   Downloaded self_update v0.37.0
[INFO] [stderr]   Downloaded rand_core v0.9.2
[INFO] [stderr]   Downloaded webpki-root-certs v0.26.8
[INFO] [stderr]   Downloaded openapiv3-extended v6.0.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e85517b1cde693b6fc345cace2d9cb749921cd1bc8bd91e50e735bbe3480af7
[INFO] running `Command { std: "docker" "start" "-a" "6e85517b1cde693b6fc345cace2d9cb749921cd1bc8bd91e50e735bbe3480af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e85517b1cde693b6fc345cace2d9cb749921cd1bc8bd91e50e735bbe3480af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e85517b1cde693b6fc345cace2d9cb749921cd1bc8bd91e50e735bbe3480af7", kill_on_drop: false }`
[INFO] [stdout] 6e85517b1cde693b6fc345cace2d9cb749921cd1bc8bd91e50e735bbe3480af7
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40bb7248792790fe160fe7fd735964b4bcc0576dba70641d360faab9be3f815f
[INFO] running `Command { std: "docker" "start" "-a" "40bb7248792790fe160fe7fd735964b4bcc0576dba70641d360faab9be3f815f", kill_on_drop: false }`
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[INFO] [stderr]     Checking jikken v0.8.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ValidationError` is never constructed
[INFO] [stdout]  --> src/errors.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ValidationError {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestFailure` is never constructed
[INFO] [stdout]   --> src/errors.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct TestFailure {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ValidationError` is never constructed
[INFO] [stdout]  --> src/errors.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ValidationError {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestFailure` is never constructed
[INFO] [stdout]   --> src/errors.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct TestFailure {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.92s
[INFO] running `Command { std: "docker" "inspect" "40bb7248792790fe160fe7fd735964b4bcc0576dba70641d360faab9be3f815f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40bb7248792790fe160fe7fd735964b4bcc0576dba70641d360faab9be3f815f", kill_on_drop: false }`
[INFO] [stdout] 40bb7248792790fe160fe7fd735964b4bcc0576dba70641d360faab9be3f815f