[INFO] fetching crate mda 0.1.1...
[INFO] checking mda-0.1.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate mda 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate mda 0.1.1
[INFO] finished tweaking crates.io crate mda 0.1.1
[INFO] tweaked toml for crates.io crate mda 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mda 0.1.1 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 37 packages to latest compatible versions
[INFO] [stderr]       Adding gethostname v0.2.3 (available: v1.0.2)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e80382f1d80afe4021378e5a4adedf66902af1ae07e1856a7821d737eaca20b4
[INFO] running `Command { std: "docker" "start" "-a" "e80382f1d80afe4021378e5a4adedf66902af1ae07e1856a7821d737eaca20b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e80382f1d80afe4021378e5a4adedf66902af1ae07e1856a7821d737eaca20b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80382f1d80afe4021378e5a4adedf66902af1ae07e1856a7821d737eaca20b4", kill_on_drop: false }`
[INFO] [stdout] e80382f1d80afe4021378e5a4adedf66902af1ae07e1856a7821d737eaca20b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7c3501029b81c72b12c2f130a1d79ce5f8eecd02bdc7a249f1654c7771d307a3
[INFO] running `Command { std: "docker" "start" "-a" "7c3501029b81c72b12c2f130a1d79ce5f8eecd02bdc7a249f1654c7771d307a3", kill_on_drop: false }`
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking tempfile v3.21.0
[INFO] [stderr]     Checking charset v0.1.5
[INFO] [stderr]     Checking mda v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/normalize.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |         let mut part = self.part_stack.last_mut().unwrap();
[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/normalize.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |         let mut part = self.part_stack.last_mut().unwrap();
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/regex.rs:60:29
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn search_with_captures(&self, regex: &str) -> Result<Option<Captures>>;
[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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn search_with_captures(&self, regex: &str) -> Result<Option<Captures<'_>>>;
[INFO] [stdout]    |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/regex.rs:95:29
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn search_with_captures(&self, regex: &str) -> Result<Option<Captures>> {
[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] 95 |     fn search_with_captures(&self, regex: &str) -> Result<Option<Captures<'_>>> {
[INFO] [stdout]    |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/regex.rs:60:29
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn search_with_captures(&self, regex: &str) -> Result<Option<Captures>>;
[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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn search_with_captures(&self, regex: &str) -> Result<Option<Captures<'_>>>;
[INFO] [stdout]    |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/regex.rs:95:29
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn search_with_captures(&self, regex: &str) -> Result<Option<Captures>> {
[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] 95 |     fn search_with_captures(&self, regex: &str) -> Result<Option<Captures<'_>>> {
[INFO] [stdout]    |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "7c3501029b81c72b12c2f130a1d79ce5f8eecd02bdc7a249f1654c7771d307a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3501029b81c72b12c2f130a1d79ce5f8eecd02bdc7a249f1654c7771d307a3", kill_on_drop: false }`
[INFO] [stdout] 7c3501029b81c72b12c2f130a1d79ce5f8eecd02bdc7a249f1654c7771d307a3