[INFO] fetching crate cargo-shim 0.2.0...
[INFO] checking cargo-shim-0.2.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate cargo-shim 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cargo-shim 0.2.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-shim 0.2.0
[INFO] finished tweaking crates.io crate cargo-shim 0.2.0
[INFO] tweaked toml for crates.io crate cargo-shim 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f82263df23976a089e9e6d6bd7e4368a83e8c6aac2c33151e38c094ccf22bf98
[INFO] running `Command { std: "docker" "start" "-a" "f82263df23976a089e9e6d6bd7e4368a83e8c6aac2c33151e38c094ccf22bf98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f82263df23976a089e9e6d6bd7e4368a83e8c6aac2c33151e38c094ccf22bf98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f82263df23976a089e9e6d6bd7e4368a83e8c6aac2c33151e38c094ccf22bf98", kill_on_drop: false }`
[INFO] [stdout] f82263df23976a089e9e6d6bd7e4368a83e8c6aac2c33151e38c094ccf22bf98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f39f074891f6c82d6d4dc8530d42a16574e3ac8f378ad497cc3e2b43c1baae6
[INFO] running `Command { std: "docker" "start" "-a" "9f39f074891f6c82d6d4dc8530d42a16574e3ac8f378ad497cc3e2b43c1baae6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking cargo_metadata v0.6.4
[INFO] [stderr]     Checking cargo-shim v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:268:86
[INFO] [stdout]     |
[INFO] [stdout] 268 |             Error::CannotLaunchCargo( ref err ) => write!( formatter, "{}: {}", self.description(), err ),
[INFO] [stdout]     |                                                                                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:269:80
[INFO] [stdout]     |
[INFO] [stdout] 269 |             Error::CargoFailed( ref err ) => write!( formatter, "{}: {}", self.description(), err ),
[INFO] [stdout]     |                                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:270:91
[INFO] [stdout]     |
[INFO] [stdout] 270 |             Error::CannotParseCargoOutput( ref err ) => write!( formatter, "{}: {}", self.description(), err )
[INFO] [stdout]     |                                                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:268:86
[INFO] [stdout]     |
[INFO] [stdout] 268 |             Error::CannotLaunchCargo( ref err ) => write!( formatter, "{}: {}", self.description(), err ),
[INFO] [stdout]     |                                                                                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:269:80
[INFO] [stdout]     |
[INFO] [stdout] 269 |             Error::CargoFailed( ref err ) => write!( formatter, "{}: {}", self.description(), err ),
[INFO] [stdout]     |                                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:270:91
[INFO] [stdout]     |
[INFO] [stdout] 270 |             Error::CannotParseCargoOutput( ref err ) => write!( formatter, "{}: {}", self.description(), err )
[INFO] [stdout]     |                                                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:886:13
[INFO] [stdout]     |
[INFO] [stdout] 886 |         for mut artifact in artifacts {
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:886:13
[INFO] [stdout]     |
[INFO] [stdout] 886 |         for mut artifact in artifacts {
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.64s
[INFO] running `Command { std: "docker" "inspect" "9f39f074891f6c82d6d4dc8530d42a16574e3ac8f378ad497cc3e2b43c1baae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f39f074891f6c82d6d4dc8530d42a16574e3ac8f378ad497cc3e2b43c1baae6", kill_on_drop: false }`
[INFO] [stdout] 9f39f074891f6c82d6d4dc8530d42a16574e3ac8f378ad497cc3e2b43c1baae6