[INFO] fetching crate arrayvec 0.7.6...
[INFO] checking arrayvec-0.7.6 against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate arrayvec 0.7.6 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate arrayvec 0.7.6
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate arrayvec 0.7.6
[INFO] tweaked toml for crates.io crate arrayvec 0.7.6 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate arrayvec 0.7.6 on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "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" "+82310651b93a594a3fd69015e1562186a080d94c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bencher v0.1.5
[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" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c7f22cce679c7af88e91e80314f885738951075d050f8d1b47e32fcb6ad86d2
[INFO] running `Command { std: "docker" "start" "-a" "0c7f22cce679c7af88e91e80314f885738951075d050f8d1b47e32fcb6ad86d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c7f22cce679c7af88e91e80314f885738951075d050f8d1b47e32fcb6ad86d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c7f22cce679c7af88e91e80314f885738951075d050f8d1b47e32fcb6ad86d2", kill_on_drop: false }`
[INFO] [stdout] 0c7f22cce679c7af88e91e80314f885738951075d050f8d1b47e32fcb6ad86d2
[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" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 466b08583cc96133dd793e58a23bcb291c004c9420c51c010f8716854368c3cf
[INFO] running `Command { std: "docker" "start" "-a" "466b08583cc96133dd793e58a23bcb291c004c9420c51c010f8716854368c3cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking arrayvec v0.7.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/arrayvec.rs:605:21
[INFO] [stdout]     |
[INFO] [stdout] 605 |     pub fn drain<R>(&mut self, range: R) -> Drain<T, CAP>
[INFO] [stdout]     |                     ^^^^^^^^^               ------------- the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 605 |     pub fn drain<R>(&mut self, range: R) -> Drain<'_, T, CAP>
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/arrayvec.rs:632:20
[INFO] [stdout]     |
[INFO] [stdout] 632 |     fn drain_range(&mut self, start: usize, end: usize) -> Drain<T, CAP>
[INFO] [stdout]     |                    ^^^^^^^^^ the lifetime is elided here   ------------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 632 |     fn drain_range(&mut self, start: usize, end: usize) -> Drain<'_, T, CAP>
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_test v1.0.177
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/arrayvec.rs:605:21
[INFO] [stdout]     |
[INFO] [stdout] 605 |     pub fn drain<R>(&mut self, range: R) -> Drain<T, CAP>
[INFO] [stdout]     |                     ^^^^^^^^^               ------------- the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 605 |     pub fn drain<R>(&mut self, range: R) -> Drain<'_, T, CAP>
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/arrayvec.rs:632:20
[INFO] [stdout]     |
[INFO] [stdout] 632 |     fn drain_range(&mut self, start: usize, end: usize) -> Drain<T, CAP>
[INFO] [stdout]     |                    ^^^^^^^^^ the lifetime is elided here   ------------- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 632 |     fn drain_range(&mut self, start: usize, end: usize) -> Drain<'_, T, CAP>
[INFO] [stdout]     |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.77s
[INFO] running `Command { std: "docker" "inspect" "466b08583cc96133dd793e58a23bcb291c004c9420c51c010f8716854368c3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "466b08583cc96133dd793e58a23bcb291c004c9420c51c010f8716854368c3cf", kill_on_drop: false }`
[INFO] [stdout] 466b08583cc96133dd793e58a23bcb291c004c9420c51c010f8716854368c3cf
