[INFO] cloning repository https://github.com/LittleGuest/rust_examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LittleGuest/rust_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLittleGuest%2Frust_examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLittleGuest%2Frust_examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 220d13addb5642e2a1a5260672886e1dbb8b71c6
[INFO] checking LittleGuest/rust_examples against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLittleGuest%2Frust_examples" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  70% (384/542)   
Checking out files:  71% (385/542)   
Checking out files:  72% (391/542)   
Checking out files:  73% (396/542)   
Checking out files:  74% (402/542)   
Checking out files:  75% (407/542)   
Checking out files:  76% (412/542)   
Checking out files:  77% (418/542)   
Checking out files:  78% (423/542)   
Checking out files:  79% (429/542)   
Checking out files:  80% (434/542)   
Checking out files:  81% (440/542)   
Checking out files:  82% (445/542)   
Checking out files:  83% (450/542)   
Checking out files:  84% (456/542)   
Checking out files:  85% (461/542)   
Checking out files:  86% (467/542)   
Checking out files:  87% (472/542)   
Checking out files:  88% (477/542)   
Checking out files:  89% (483/542)   
Checking out files:  90% (488/542)   
Checking out files:  91% (494/542)   
Checking out files:  92% (499/542)   
Checking out files:  93% (505/542)   
Checking out files:  94% (510/542)   
Checking out files:  95% (515/542)   
Checking out files:  96% (521/542)   
Checking out files:  97% (526/542)   
Checking out files:  98% (532/542)   
Checking out files:  99% (537/542)   
Checking out files: 100% (542/542)   
Checking out files: 100% (542/542), done.
[INFO] validating manifest of git repo https://github.com/LittleGuest/rust_examples on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LittleGuest/rust_examples
[INFO] finished tweaking git repo https://github.com/LittleGuest/rust_examples
[INFO] tweaked toml for git repo https://github.com/LittleGuest/rust_examples written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/LittleGuest/rust_examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b0119970372477d4625868f240810d8082ced81074ada32a4ed9de30d5089d7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4b0119970372477d4625868f240810d8082ced81074ada32a4ed9de30d5089d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b0119970372477d4625868f240810d8082ced81074ada32a4ed9de30d5089d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b0119970372477d4625868f240810d8082ced81074ada32a4ed9de30d5089d7", kill_on_drop: false }`
[INFO] [stdout] 4b0119970372477d4625868f240810d8082ced81074ada32a4ed9de30d5089d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 37b79654053e070e503dfd7424a6de1bd586b07d774bfeb82ab4e391190fb3e4
[INFO] running `Command { std: "docker" "start" "-a" "37b79654053e070e503dfd7424a6de1bd586b07d774bfeb82ab4e391190fb3e4", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "37b79654053e070e503dfd7424a6de1bd586b07d774bfeb82ab4e391190fb3e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b79654053e070e503dfd7424a6de1bd586b07d774bfeb82ab4e391190fb3e4", kill_on_drop: false }`
[INFO] [stdout] 37b79654053e070e503dfd7424a6de1bd586b07d774bfeb82ab4e391190fb3e4