[INFO] fetching crate oofs 0.2.3...
[INFO] checking oofs-0.2.3 against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095
[INFO] extracting crate oofs 0.2.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate oofs 0.2.3 on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oofs 0.2.3
[INFO] finished tweaking crates.io crate oofs 0.2.3
[INFO] tweaked toml for crates.io crate oofs 0.2.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oofs_derive v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c28071e3debb0b1c75406e45dabdc556da0e5b7e533a1f070e8e540432ae5e86
[INFO] running `Command { std: "docker" "start" "-a" "c28071e3debb0b1c75406e45dabdc556da0e5b7e533a1f070e8e540432ae5e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c28071e3debb0b1c75406e45dabdc556da0e5b7e533a1f070e8e540432ae5e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c28071e3debb0b1c75406e45dabdc556da0e5b7e533a1f070e8e540432ae5e86", kill_on_drop: false }`
[INFO] [stdout] c28071e3debb0b1c75406e45dabdc556da0e5b7e533a1f070e8e540432ae5e86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3032db35ca969b6f00fc17c9517bf23655bb89fbbadd9a4b77eec76dd1a560c2
[INFO] running `Command { std: "docker" "start" "-a" "3032db35ca969b6f00fc17c9517bf23655bb89fbbadd9a4b77eec76dd1a560c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling oofs_derive v0.2.3
[INFO] [stderr]     Checking oofs v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `is_custom` and `is_generated` are never used
[INFO] [stdout]   --> src/context.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Context {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub(crate) fn is_custom(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub(crate) fn is_generated(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_custom` and `is_generated` are never used
[INFO] [stdout]   --> src/context.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Context {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub(crate) fn is_custom(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub(crate) fn is_generated(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/var_check.rs:105:24
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub struct NoDebug(String);
[INFO] [stdout]     |                ------- ^^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub struct NoDebug(());
[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] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> tests/basic.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl MyStruct {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 51 |     fn new() -> Result<Self, Oof> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `Command { std: "docker" "inspect" "3032db35ca969b6f00fc17c9517bf23655bb89fbbadd9a4b77eec76dd1a560c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3032db35ca969b6f00fc17c9517bf23655bb89fbbadd9a4b77eec76dd1a560c2", kill_on_drop: false }`
[INFO] [stdout] 3032db35ca969b6f00fc17c9517bf23655bb89fbbadd9a4b77eec76dd1a560c2