[INFO] fetching crate fscan 0.2.0...
[INFO] testing fscan-0.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate fscan 0.2.0 into /workspace/builds/worker-6-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-6-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]  Downloading crates ...
[INFO] [stderr]   Downloaded tabwriter v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23a1527dbb5a93db0873fd9496e2b251bcdd142ce9f036e85a5db8c5ba149f0a
[INFO] running `Command { std: "docker" "start" "-a" "23a1527dbb5a93db0873fd9496e2b251bcdd142ce9f036e85a5db8c5ba149f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23a1527dbb5a93db0873fd9496e2b251bcdd142ce9f036e85a5db8c5ba149f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23a1527dbb5a93db0873fd9496e2b251bcdd142ce9f036e85a5db8c5ba149f0a", kill_on_drop: false }`
[INFO] [stdout] 23a1527dbb5a93db0873fd9496e2b251bcdd142ce9f036e85a5db8c5ba149f0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 764fd7f22ac934ed94787ff0cb808f565c825c77d8c6527f6d074cc9b1c7d342
[INFO] running `Command { std: "docker" "start" "-a" "764fd7f22ac934ed94787ff0cb808f565c825c77d8c6527f6d074cc9b1c7d342", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling tabwriter v1.2.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.81s
[INFO] running `Command { std: "docker" "inspect" "764fd7f22ac934ed94787ff0cb808f565c825c77d8c6527f6d074cc9b1c7d342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "764fd7f22ac934ed94787ff0cb808f565c825c77d8c6527f6d074cc9b1c7d342", kill_on_drop: false }`
[INFO] [stdout] 764fd7f22ac934ed94787ff0cb808f565c825c77d8c6527f6d074cc9b1c7d342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24bd0c6f2163fc0c2e685bd3023496b599cee48886be55da2ae17e6a47f4be3c
[INFO] running `Command { std: "docker" "start" "-a" "24bd0c6f2163fc0c2e685bd3023496b599cee48886be55da2ae17e6a47f4be3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "24bd0c6f2163fc0c2e685bd3023496b599cee48886be55da2ae17e6a47f4be3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24bd0c6f2163fc0c2e685bd3023496b599cee48886be55da2ae17e6a47f4be3c", kill_on_drop: false }`
[INFO] [stdout] 24bd0c6f2163fc0c2e685bd3023496b599cee48886be55da2ae17e6a47f4be3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43399abcf4d66813bcb94b222dd53c041823d5718c626c9a5807eb99c9f0cc8f
[INFO] running `Command { std: "docker" "start" "-a" "43399abcf4d66813bcb94b222dd53c041823d5718c626c9a5807eb99c9f0cc8f", kill_on_drop: false }`
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/fscan/tree.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn children<'a>(&'a self) -> Box<dyn iter::Iterator<Item = &FSNode> + 'a> {
[INFO] [stderr]    |                          ^^ the lifetime is named here             ------- the same lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn children<'a>(&'a self) -> Box<dyn iter::Iterator<Item = &'a FSNode> + 'a> {
[INFO] [stderr]    |                                                                     ++
[INFO] [stderr] 
[INFO] [stderr] warning: `fscan` (bin "fscan" test) generated 1 warning (run `cargo fix --bin "fscan" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fscan-4f84e95cb4a45e38)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "43399abcf4d66813bcb94b222dd53c041823d5718c626c9a5807eb99c9f0cc8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43399abcf4d66813bcb94b222dd53c041823d5718c626c9a5807eb99c9f0cc8f", kill_on_drop: false }`
[INFO] [stdout] 43399abcf4d66813bcb94b222dd53c041823d5718c626c9a5807eb99c9f0cc8f