[INFO] fetching crate configurable 0.3.5...
[INFO] checking configurable-0.3.5 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate configurable 0.3.5 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate configurable 0.3.5
[INFO] finished tweaking crates.io crate configurable 0.3.5
[INFO] tweaked toml for crates.io crate configurable 0.3.5 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate configurable 0.3.5 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding directories v2.0.2 (available: v6.0.0)
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.9.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded directories v2.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e556f4c89c6bbca067e2c6c018868a80ea7cee0e7ea96f570a5e8a0da3bb0c2
[INFO] running `Command { std: "docker" "start" "-a" "0e556f4c89c6bbca067e2c6c018868a80ea7cee0e7ea96f570a5e8a0da3bb0c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e556f4c89c6bbca067e2c6c018868a80ea7cee0e7ea96f570a5e8a0da3bb0c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e556f4c89c6bbca067e2c6c018868a80ea7cee0e7ea96f570a5e8a0da3bb0c2", kill_on_drop: false }`
[INFO] [stdout] 0e556f4c89c6bbca067e2c6c018868a80ea7cee0e7ea96f570a5e8a0da3bb0c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e79210d4ad6c80eb39d07b950064954a9f5940bc088b7258fbd116117764aee
[INFO] running `Command { std: "docker" "start" "-a" "5e79210d4ad6c80eb39d07b950064954a9f5940bc088b7258fbd116117764aee", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking configurable v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/error.rs:28:66
[INFO] [stdout]    |
[INFO] [stdout] 28 |             Error::Write(err) | Error::Read(err) => Some(err as &(dyn std::error::Error)),
[INFO] [stdout]    |                                                                  ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -             Error::Write(err) | Error::Read(err) => Some(err as &(dyn std::error::Error)),
[INFO] [stdout] 28 +             Error::Write(err) | Error::Read(err) => Some(err as &dyn std::error::Error),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/error.rs:29:50
[INFO] [stdout]    |
[INFO] [stdout] 29 |             Error::TomlRead(err) => Some(err as &(dyn std::error::Error)),
[INFO] [stdout]    |                                                  ^                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -             Error::TomlRead(err) => Some(err as &(dyn std::error::Error)),
[INFO] [stdout] 29 +             Error::TomlRead(err) => Some(err as &dyn std::error::Error),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/error.rs:30:51
[INFO] [stdout]    |
[INFO] [stdout] 30 |             Error::TomlWrite(err) => Some(err as &(dyn std::error::Error)),
[INFO] [stdout]    |                                                   ^                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 30 -             Error::TomlWrite(err) => Some(err as &(dyn std::error::Error)),
[INFO] [stdout] 30 +             Error::TomlWrite(err) => Some(err as &dyn std::error::Error),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/error.rs:28:66
[INFO] [stdout]    |
[INFO] [stdout] 28 |             Error::Write(err) | Error::Read(err) => Some(err as &(dyn std::error::Error)),
[INFO] [stdout]    |                                                                  ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -             Error::Write(err) | Error::Read(err) => Some(err as &(dyn std::error::Error)),
[INFO] [stdout] 28 +             Error::Write(err) | Error::Read(err) => Some(err as &dyn std::error::Error),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/error.rs:29:50
[INFO] [stdout]    |
[INFO] [stdout] 29 |             Error::TomlRead(err) => Some(err as &(dyn std::error::Error)),
[INFO] [stdout]    |                                                  ^                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 29 -             Error::TomlRead(err) => Some(err as &(dyn std::error::Error)),
[INFO] [stdout] 29 +             Error::TomlRead(err) => Some(err as &dyn std::error::Error),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/error.rs:30:51
[INFO] [stdout]    |
[INFO] [stdout] 30 |             Error::TomlWrite(err) => Some(err as &(dyn std::error::Error)),
[INFO] [stdout]    |                                                   ^                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 30 -             Error::TomlWrite(err) => Some(err as &(dyn std::error::Error)),
[INFO] [stdout] 30 +             Error::TomlWrite(err) => Some(err as &dyn std::error::Error),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.73s
[INFO] running `Command { std: "docker" "inspect" "5e79210d4ad6c80eb39d07b950064954a9f5940bc088b7258fbd116117764aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e79210d4ad6c80eb39d07b950064954a9f5940bc088b7258fbd116117764aee", kill_on_drop: false }`
[INFO] [stdout] 5e79210d4ad6c80eb39d07b950064954a9f5940bc088b7258fbd116117764aee