[INFO] fetching crate mq-workload-generator 0.2.2...
[INFO] testing mq-workload-generator-0.2.2 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate mq-workload-generator 0.2.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate mq-workload-generator 0.2.2
[INFO] finished tweaking crates.io crate mq-workload-generator 0.2.2
[INFO] tweaked toml for crates.io crate mq-workload-generator 0.2.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mq-workload-generator 0.2.2 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mq-workload-generator 0.2.2 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47eff0341f4a9213a4f7829d09d0ec4c2b0a7b867f3a7cee7b8c196ab3d5c2df
[INFO] running `Command { std: "docker" "start" "-a" "47eff0341f4a9213a4f7829d09d0ec4c2b0a7b867f3a7cee7b8c196ab3d5c2df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47eff0341f4a9213a4f7829d09d0ec4c2b0a7b867f3a7cee7b8c196ab3d5c2df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47eff0341f4a9213a4f7829d09d0ec4c2b0a7b867f3a7cee7b8c196ab3d5c2df", kill_on_drop: false }`
[INFO] [stdout] 47eff0341f4a9213a4f7829d09d0ec4c2b0a7b867f3a7cee7b8c196ab3d5c2df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d37c252cf847cd92431a165782aa1377e5d1b6a457fe8bfb68cb096b9da6fe7
[INFO] running `Command { std: "docker" "start" "-a" "8d37c252cf847cd92431a165782aa1377e5d1b6a457fe8bfb68cb096b9da6fe7", kill_on_drop: false }`
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[INFO] [stdout] error[E0282]: type annotations needed for `Box<_>`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/time-0.3.22/src/format_description/parse/mod.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let items = format_items
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     Ok(items.into())
[INFO] [stdout]    |              ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `items` an explicit type, where the placeholders `_` are specified
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let items: Box<_> = format_items
[INFO] [stdout]    |              ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `time` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8d37c252cf847cd92431a165782aa1377e5d1b6a457fe8bfb68cb096b9da6fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d37c252cf847cd92431a165782aa1377e5d1b6a457fe8bfb68cb096b9da6fe7", kill_on_drop: false }`
[INFO] [stdout] 8d37c252cf847cd92431a165782aa1377e5d1b6a457fe8bfb68cb096b9da6fe7