[INFO] fetching crate random_num 0.2.0...
[INFO] checking random_num-0.2.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate random_num 0.2.0 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate random_num 0.2.0 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate random_num 0.2.0
[INFO] finished tweaking crates.io crate random_num 0.2.0
[INFO] tweaked toml for crates.io crate random_num 0.2.0 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate crates.io crate random_num 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdf61660b7c7271b1cf5e4a9b2e5acdc9264ae2add77ca013b4d28283548ac5d
[INFO] running `Command { std: "docker" "start" "-a" "fdf61660b7c7271b1cf5e4a9b2e5acdc9264ae2add77ca013b4d28283548ac5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdf61660b7c7271b1cf5e4a9b2e5acdc9264ae2add77ca013b4d28283548ac5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdf61660b7c7271b1cf5e4a9b2e5acdc9264ae2add77ca013b4d28283548ac5d", kill_on_drop: false }`
[INFO] [stdout] fdf61660b7c7271b1cf5e4a9b2e5acdc9264ae2add77ca013b4d28283548ac5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ca159655ae475916b8f6c7731c2f2a53917ecd769197da133f84cc823740890
[INFO] running `Command { std: "docker" "start" "-a" "1ca159655ae475916b8f6c7731c2f2a53917ecd769197da133f84cc823740890", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking random_num v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.67s
[INFO] running `Command { std: "docker" "inspect" "1ca159655ae475916b8f6c7731c2f2a53917ecd769197da133f84cc823740890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ca159655ae475916b8f6c7731c2f2a53917ecd769197da133f84cc823740890", kill_on_drop: false }`
[INFO] [stdout] 1ca159655ae475916b8f6c7731c2f2a53917ecd769197da133f84cc823740890