[INFO] fetching crate fm 0.4.0...
[INFO] checking fm-0.4.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate fm 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate fm 0.4.0
[INFO] finished tweaking crates.io crate fm 0.4.0
[INFO] tweaked toml for crates.io crate fm 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fm 0.4.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f86b79b68192d77c14d99c29546c3bcbb23df5f9c1e8b4dc23821593198b46c
[INFO] running `Command { std: "docker" "start" "-a" "4f86b79b68192d77c14d99c29546c3bcbb23df5f9c1e8b4dc23821593198b46c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f86b79b68192d77c14d99c29546c3bcbb23df5f9c1e8b4dc23821593198b46c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f86b79b68192d77c14d99c29546c3bcbb23df5f9c1e8b4dc23821593198b46c", kill_on_drop: false }`
[INFO] [stdout] 4f86b79b68192d77c14d99c29546c3bcbb23df5f9c1e8b4dc23821593198b46c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c51eba497aa691397f89d8437fc8e68462794ba2a2753ecfc1795ec20a0436fb
[INFO] running `Command { std: "docker" "start" "-a" "c51eba497aa691397f89d8437fc8e68462794ba2a2753ecfc1795ec20a0436fb", kill_on_drop: false }`
[INFO] [stderr]     Checking tempfile v3.21.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking fm v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:291:22
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn new(ptn: &'a str) -> Result<FMatcher, Box<dyn Error>> {
[INFO] [stdout]     |                      ^^                -------- the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn new(ptn: &'a str) -> Result<FMatcher<'a>, Box<dyn Error>> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.7.0
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:291:22
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn new(ptn: &'a str) -> Result<FMatcher, Box<dyn Error>> {
[INFO] [stdout]     |                      ^^                -------- the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn new(ptn: &'a str) -> Result<FMatcher<'a>, Box<dyn Error>> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "c51eba497aa691397f89d8437fc8e68462794ba2a2753ecfc1795ec20a0436fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c51eba497aa691397f89d8437fc8e68462794ba2a2753ecfc1795ec20a0436fb", kill_on_drop: false }`
[INFO] [stdout] c51eba497aa691397f89d8437fc8e68462794ba2a2753ecfc1795ec20a0436fb