[INFO] fetching crate randical 1.6.18033...
[INFO] checking randical-1.6.18033 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate randical 1.6.18033 into /workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate randical 1.6.18033 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1aa0b00a8cbdc59e21007df479fd2692665f77f3f90e1a42414f16ebd22c7ad
[INFO] running `Command { std: "docker" "start" "-a" "d1aa0b00a8cbdc59e21007df479fd2692665f77f3f90e1a42414f16ebd22c7ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1aa0b00a8cbdc59e21007df479fd2692665f77f3f90e1a42414f16ebd22c7ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1aa0b00a8cbdc59e21007df479fd2692665f77f3f90e1a42414f16ebd22c7ad", kill_on_drop: false }`
[INFO] [stdout] d1aa0b00a8cbdc59e21007df479fd2692665f77f3f90e1a42414f16ebd22c7ad
[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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7957333b07b3d72ae65c427e023f0a50d5165a4538f596cf7279e2c1bba4038e
[INFO] running `Command { std: "docker" "start" "-a" "7957333b07b3d72ae65c427e023f0a50d5165a4538f596cf7279e2c1bba4038e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking num_threads v0.1.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking base-encode v0.3.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking svix-ksuid v0.6.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking 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)]` 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] [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)]` 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 3.36s
[INFO] running `Command { std: "docker" "inspect" "7957333b07b3d72ae65c427e023f0a50d5165a4538f596cf7279e2c1bba4038e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7957333b07b3d72ae65c427e023f0a50d5165a4538f596cf7279e2c1bba4038e", kill_on_drop: false }`
[INFO] [stdout] 7957333b07b3d72ae65c427e023f0a50d5165a4538f596cf7279e2c1bba4038e