[INFO] fetching crate rmem 0.2.0...
[INFO] building rmem-0.2.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate rmem 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rmem 0.2.0
[INFO] finished tweaking crates.io crate rmem 0.2.0
[INFO] tweaked toml for crates.io crate rmem 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmem 0.2.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rmem 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 228fd48210a513c1454161245d91dd3778be35738f01aeab6aa5e6803ba4134a
[INFO] running `Command { std: "docker" "start" "-a" "228fd48210a513c1454161245d91dd3778be35738f01aeab6aa5e6803ba4134a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "228fd48210a513c1454161245d91dd3778be35738f01aeab6aa5e6803ba4134a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "228fd48210a513c1454161245d91dd3778be35738f01aeab6aa5e6803ba4134a", kill_on_drop: false }`
[INFO] [stdout] 228fd48210a513c1454161245d91dd3778be35738f01aeab6aa5e6803ba4134a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7eb4f6a0684d103899dbaa1f789eebd904939cb28505a3724b9072351493238e
[INFO] running `Command { std: "docker" "start" "-a" "7eb4f6a0684d103899dbaa1f789eebd904939cb28505a3724b9072351493238e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling getargs v0.4.1
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rmem v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/modules/arguments.rs:28:53
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn parse_args<'a>(opts: &'a Options<'a, String>) -> Result<Args> {
[INFO] [stdout]    |                          --         --              ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |          |
[INFO] [stdout]    |                          |          the lifetime is named here
[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] 28 | fn parse_args<'a>(opts: &'a Options<'a, String>) -> Result<'a, Args> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.61s
[INFO] running `Command { std: "docker" "inspect" "7eb4f6a0684d103899dbaa1f789eebd904939cb28505a3724b9072351493238e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb4f6a0684d103899dbaa1f789eebd904939cb28505a3724b9072351493238e", kill_on_drop: false }`
[INFO] [stdout] 7eb4f6a0684d103899dbaa1f789eebd904939cb28505a3724b9072351493238e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff102015e5cb8eb2e8888a4a04a68c04eb7318f84b9c6aa94b9e345d95aa4fb6
[INFO] running `Command { std: "docker" "start" "-a" "ff102015e5cb8eb2e8888a4a04a68c04eb7318f84b9c6aa94b9e345d95aa4fb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rmem v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/modules/arguments.rs:28:53
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn parse_args<'a>(opts: &'a Options<'a, String>) -> Result<Args> {
[INFO] [stdout]    |                          --         --              ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |          |
[INFO] [stdout]    |                          |          the lifetime is named here
[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] 28 | fn parse_args<'a>(opts: &'a Options<'a, String>) -> Result<'a, Args> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "ff102015e5cb8eb2e8888a4a04a68c04eb7318f84b9c6aa94b9e345d95aa4fb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff102015e5cb8eb2e8888a4a04a68c04eb7318f84b9c6aa94b9e345d95aa4fb6", kill_on_drop: false }`
[INFO] [stdout] ff102015e5cb8eb2e8888a4a04a68c04eb7318f84b9c6aa94b9e345d95aa4fb6