[INFO] fetching crate mockall_derive 0.9.1...
[INFO] checking mockall_derive-0.9.1 against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] extracting crate mockall_derive 0.9.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mockall_derive 0.9.1 on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mockall_derive 0.9.1
[INFO] finished tweaking crates.io crate mockall_derive 0.9.1
[INFO] tweaked toml for crates.io crate mockall_derive 0.9.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a54c704b69ff4c0532c0d47a87e31fceecc0fba1c2f61a6fa2ebfda7ef35599
[INFO] running `Command { std: "docker" "start" "-a" "8a54c704b69ff4c0532c0d47a87e31fceecc0fba1c2f61a6fa2ebfda7ef35599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a54c704b69ff4c0532c0d47a87e31fceecc0fba1c2f61a6fa2ebfda7ef35599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a54c704b69ff4c0532c0d47a87e31fceecc0fba1c2f61a6fa2ebfda7ef35599", kill_on_drop: false }`
[INFO] [stdout] 8a54c704b69ff4c0532c0d47a87e31fceecc0fba1c2f61a6fa2ebfda7ef35599
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02eb3b71bb44037040a08826594f61226996c91e8b0d6916c84354662265c868
[INFO] running `Command { std: "docker" "start" "-a" "02eb3b71bb44037040a08826594f61226996c91e8b0d6916c84354662265c868", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pretty_assertions v0.5.1
[INFO] [stderr]     Checking syn v1.0.72
[INFO] [stderr]     Checking mockall_derive v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `mod_token`
[INFO] [stdout]   --> src/mockable_item.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub mod_token: token::Mod,
[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] [stdout] error: field is never read: `mod_token`
[INFO] [stdout]   --> src/mockable_item.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub mod_token: token::Mod,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:9:24
[INFO] [stdout]    |
[INFO] [stdout] 9  | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mockall_derive`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "02eb3b71bb44037040a08826594f61226996c91e8b0d6916c84354662265c868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02eb3b71bb44037040a08826594f61226996c91e8b0d6916c84354662265c868", kill_on_drop: false }`
[INFO] [stdout] 02eb3b71bb44037040a08826594f61226996c91e8b0d6916c84354662265c868