[INFO] fetching crate randical 1.6.18033...
[INFO] building randical-1.6.18033 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate randical 1.6.18033 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate randical 1.6.18033
[INFO] finished tweaking crates.io crate randical 1.6.18033
[INFO] tweaked toml for crates.io crate randical 1.6.18033 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate randical 1.6.18033 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate randical 1.6.18033 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v0.8.2
[INFO] [stderr]   Downloaded num_threads v0.1.5
[INFO] [stderr]   Downloaded rand_hc v0.3.1
[INFO] [stderr]   Downloaded svix-ksuid v0.6.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.15
[INFO] [stderr]   Downloaded base-encode v0.3.1
[INFO] [stderr]   Downloaded time v0.3.9
[INFO] [stderr]   Downloaded libc v0.2.123
[INFO] [stderr]   Downloaded rand v0.8.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a1a4bc0099a71d20131e7787e6f3b4d5fe7baeaf08665d3840462b50475c623
[INFO] running `Command { std: "docker" "start" "-a" "2a1a4bc0099a71d20131e7787e6f3b4d5fe7baeaf08665d3840462b50475c623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a1a4bc0099a71d20131e7787e6f3b4d5fe7baeaf08665d3840462b50475c623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a1a4bc0099a71d20131e7787e6f3b4d5fe7baeaf08665d3840462b50475c623", kill_on_drop: false }`
[INFO] [stdout] 2a1a4bc0099a71d20131e7787e6f3b4d5fe7baeaf08665d3840462b50475c623
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 355cec50eb4a051edfe3a847c94378d7b426a9b99e37c895df0e265bf033d95f
[INFO] running `Command { std: "docker" "start" "-a" "355cec50eb4a051edfe3a847c94378d7b426a9b99e37c895df0e265bf033d95f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling num_threads v0.1.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling base-encode v0.3.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling time v0.3.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling svix-ksuid v0.6.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling randical v1.6.18033 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:103:51
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn get_generator<'a>(args: &'a ArgMatches) -> Box<(dyn FnMut() + 'a)> {
[INFO] [stdout]     |                                                   ^                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 103 - fn get_generator<'a>(args: &'a ArgMatches) -> Box<(dyn FnMut() + 'a)> {
[INFO] [stdout] 103 + fn get_generator<'a>(args: &'a ArgMatches) -> Box<dyn FnMut() + 'a > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.70s
[INFO] running `Command { std: "docker" "inspect" "355cec50eb4a051edfe3a847c94378d7b426a9b99e37c895df0e265bf033d95f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "355cec50eb4a051edfe3a847c94378d7b426a9b99e37c895df0e265bf033d95f", kill_on_drop: false }`
[INFO] [stdout] 355cec50eb4a051edfe3a847c94378d7b426a9b99e37c895df0e265bf033d95f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 332883831d5e625112b624f08f1331a3e33905e5ac83208bc195252679156a84
[INFO] running `Command { std: "docker" "start" "-a" "332883831d5e625112b624f08f1331a3e33905e5ac83208bc195252679156a84", kill_on_drop: false }`
[INFO] [stderr]    Compiling randical v1.6.18033 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:103:51
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn get_generator<'a>(args: &'a ArgMatches) -> Box<(dyn FnMut() + 'a)> {
[INFO] [stdout]     |                                                   ^                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 103 - fn get_generator<'a>(args: &'a ArgMatches) -> Box<(dyn FnMut() + 'a)> {
[INFO] [stdout] 103 + fn get_generator<'a>(args: &'a ArgMatches) -> Box<dyn FnMut() + 'a > {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "332883831d5e625112b624f08f1331a3e33905e5ac83208bc195252679156a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "332883831d5e625112b624f08f1331a3e33905e5ac83208bc195252679156a84", kill_on_drop: false }`
[INFO] [stdout] 332883831d5e625112b624f08f1331a3e33905e5ac83208bc195252679156a84