[INFO] fetching crate randstr 0.2.1...
[INFO] checking randstr-0.2.1 against master#77e7b74ad5c0c449fa378faf5edf33dd2e6fed87 for pr-93275-1
[INFO] extracting crate randstr 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate randstr 0.2.1 on toolchain 77e7b74ad5c0c449fa378faf5edf33dd2e6fed87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77e7b74ad5c0c449fa378faf5edf33dd2e6fed87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate randstr 0.2.1
[INFO] finished tweaking crates.io crate randstr 0.2.1
[INFO] tweaked toml for crates.io crate randstr 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77e7b74ad5c0c449fa378faf5edf33dd2e6fed87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77e7b74ad5c0c449fa378faf5edf33dd2e6fed87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasi v0.11.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded rand_chacha v0.3.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.17
[INFO] [stderr]   Downloaded getrandom v0.2.8
[INFO] [stderr]   Downloaded rand v0.8.5
[INFO] [stderr]   Downloaded libc v0.2.137
[INFO] [stderr]   Downloaded rand_core v0.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+77e7b74ad5c0c449fa378faf5edf33dd2e6fed87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 195817f05e2baf0c56d0e79bc6ccea4f280e40eb3bec365fb0f682d37ac258c7
[INFO] running `Command { std: "docker" "start" "-a" "195817f05e2baf0c56d0e79bc6ccea4f280e40eb3bec365fb0f682d37ac258c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "195817f05e2baf0c56d0e79bc6ccea4f280e40eb3bec365fb0f682d37ac258c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "195817f05e2baf0c56d0e79bc6ccea4f280e40eb3bec365fb0f682d37ac258c7", kill_on_drop: false }`
[INFO] [stdout] 195817f05e2baf0c56d0e79bc6ccea4f280e40eb3bec365fb0f682d37ac258c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+77e7b74ad5c0c449fa378faf5edf33dd2e6fed87" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9b6cae95765398a53ca11f5283b09f42c4f0c623fde0d1c9cda3e0ad705bd61
[INFO] running `Command { std: "docker" "start" "-a" "e9b6cae95765398a53ca11f5283b09f42c4f0c623fde0d1c9cda3e0ad705bd61", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling randstr v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "e9b6cae95765398a53ca11f5283b09f42c4f0c623fde0d1c9cda3e0ad705bd61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b6cae95765398a53ca11f5283b09f42c4f0c623fde0d1c9cda3e0ad705bd61", kill_on_drop: false }`
[INFO] [stdout] e9b6cae95765398a53ca11f5283b09f42c4f0c623fde0d1c9cda3e0ad705bd61