[INFO] cloning repository https://github.com/tascord/silly
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tascord/silly" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftascord%2Fsilly", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftascord%2Fsilly'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc5d0cb951724cce4f84464cfd131c0880f995b0
[INFO] checking tascord/silly against try#2c4819a380dbddb1f2a0f4405a49fb6ed90983ae for pr-152996
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftascord%2Fsilly" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tascord/silly
[INFO] finished tweaking git repo https://github.com/tascord/silly
[INFO] tweaked toml for git repo https://github.com/tascord/silly written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tascord/silly on toolchain 2c4819a380dbddb1f2a0f4405a49fb6ed90983ae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tascord/silly 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" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/TheDan64/inkwell`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_meta v2.7.5
[INFO] [stderr]   Downloaded pest_generator v2.7.5
[INFO] [stderr]   Downloaded llvm-sys v160.1.3
[INFO] [stderr]   Downloaded pest_derive v2.7.5
[INFO] [stderr]   Downloaded pest v2.7.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8715d376815c95af4c3c85b7502a34155bc3922260cbc9ee506d8d78ea490b6
[INFO] running `Command { std: "docker" "start" "-a" "e8715d376815c95af4c3c85b7502a34155bc3922260cbc9ee506d8d78ea490b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8715d376815c95af4c3c85b7502a34155bc3922260cbc9ee506d8d78ea490b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8715d376815c95af4c3c85b7502a34155bc3922260cbc9ee506d8d78ea490b6", kill_on_drop: false }`
[INFO] [stdout] e8715d376815c95af4c3c85b7502a34155bc3922260cbc9ee506d8d78ea490b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 413bd32f3d35c4b4201a5b3c7ef2f87d966e0ab3b5c4b299f789ccb737c2b713
[INFO] running `Command { std: "docker" "start" "-a" "413bd32f3d35c4b4201a5b3c7ef2f87d966e0ab3b5c4b299f789ccb737c2b713", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling inkwell v0.2.0 (https://github.com/TheDan64/inkwell?branch=master#7a09ad8a)
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling llvm-sys v160.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling inkwell_internals v0.8.0 (https://github.com/TheDan64/inkwell?branch=master#7a09ad8a)
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling pest v2.7.5
[INFO] [stderr]    Compiling pest_meta v2.7.5
[INFO] [stderr]    Compiling pest_generator v2.7.5
[INFO] [stderr]    Compiling pest_derive v2.7.5
[INFO] [stderr]     Checking lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.31s
[INFO] running `Command { std: "docker" "inspect" "413bd32f3d35c4b4201a5b3c7ef2f87d966e0ab3b5c4b299f789ccb737c2b713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "413bd32f3d35c4b4201a5b3c7ef2f87d966e0ab3b5c4b299f789ccb737c2b713", kill_on_drop: false }`
[INFO] [stdout] 413bd32f3d35c4b4201a5b3c7ef2f87d966e0ab3b5c4b299f789ccb737c2b713