[INFO] fetching crate fscan 0.2.0...
[INFO] checking fscan-0.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate fscan 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate fscan 0.2.0
[INFO] finished tweaking crates.io crate fscan 0.2.0
[INFO] tweaked toml for crates.io crate fscan 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fscan 0.2.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fscan 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tabwriter v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1750d248c3e6ce696bd643a5ebe8cbf07bb6ad1bcb42326de7ff1b38e9483ab
[INFO] running `Command { std: "docker" "start" "-a" "c1750d248c3e6ce696bd643a5ebe8cbf07bb6ad1bcb42326de7ff1b38e9483ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1750d248c3e6ce696bd643a5ebe8cbf07bb6ad1bcb42326de7ff1b38e9483ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1750d248c3e6ce696bd643a5ebe8cbf07bb6ad1bcb42326de7ff1b38e9483ab", kill_on_drop: false }`
[INFO] [stdout] c1750d248c3e6ce696bd643a5ebe8cbf07bb6ad1bcb42326de7ff1b38e9483ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d73c28809b6e1070220ed278e2f583a85d92c30f33606bcceb7076e9ef29130b
[INFO] running `Command { std: "docker" "start" "-a" "d73c28809b6e1070220ed278e2f583a85d92c30f33606bcceb7076e9ef29130b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking tabwriter v1.2.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking fscan v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/fscan/tree.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn children<'a>(&'a self) -> Box<dyn iter::Iterator<Item = &FSNode> + 'a> {
[INFO] [stdout]    |                          ^^ the lifetime is named here             ------- the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn children<'a>(&'a self) -> Box<dyn iter::Iterator<Item = &'a FSNode> + 'a> {
[INFO] [stdout]    |                                                                     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/fscan/tree.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn children<'a>(&'a self) -> Box<dyn iter::Iterator<Item = &FSNode> + 'a> {
[INFO] [stdout]    |                          ^^ the lifetime is named here             ------- the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn children<'a>(&'a self) -> Box<dyn iter::Iterator<Item = &'a FSNode> + 'a> {
[INFO] [stdout]    |                                                                     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.44s
[INFO] running `Command { std: "docker" "inspect" "d73c28809b6e1070220ed278e2f583a85d92c30f33606bcceb7076e9ef29130b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d73c28809b6e1070220ed278e2f583a85d92c30f33606bcceb7076e9ef29130b", kill_on_drop: false }`
[INFO] [stdout] d73c28809b6e1070220ed278e2f583a85d92c30f33606bcceb7076e9ef29130b