[INFO] cloning repository https://github.com/bronvic/sapper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bronvic/sapper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbronvic%2Fsapper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbronvic%2Fsapper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b75125f9b4bd867d7efd852540de60bbe9a4d33
[INFO] checking bronvic/sapper against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbronvic%2Fsapper" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bronvic/sapper on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bronvic/sapper
[INFO] finished tweaking git repo https://github.com/bronvic/sapper
[INFO] tweaked toml for git repo https://github.com/bronvic/sapper written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/bronvic/sapper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f07941d4414b9dce6f9dab91230f8bd6e2fb5d3042c2a8d68860a38b2f892c81
[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" "f07941d4414b9dce6f9dab91230f8bd6e2fb5d3042c2a8d68860a38b2f892c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f07941d4414b9dce6f9dab91230f8bd6e2fb5d3042c2a8d68860a38b2f892c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f07941d4414b9dce6f9dab91230f8bd6e2fb5d3042c2a8d68860a38b2f892c81", kill_on_drop: false }`
[INFO] [stdout] f07941d4414b9dce6f9dab91230f8bd6e2fb5d3042c2a8d68860a38b2f892c81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cd713c22677ca222f421d7f0bb5b2d8e98496ea8939c0ec8cd3c8c87430bb32
[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" "1cd713c22677ca222f421d7f0bb5b2d8e98496ea8939c0ec8cd3c8c87430bb32", kill_on_drop: false }`
[INFO] [stderr]     Checking miner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:112:65
[INFO] [stdout]     |
[INFO] [stdout] 112 |         Err(why) => panic!("couldn't open {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:118:65
[INFO] [stdout]     |
[INFO] [stdout] 118 |         Err(why) => panic!("couldn't read {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:112:65
[INFO] [stdout]     |
[INFO] [stdout] 112 |         Err(why) => panic!("couldn't open {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:118:65
[INFO] [stdout]     |
[INFO] [stdout] 118 |         Err(why) => panic!("couldn't read {}: {}", display, why.description()),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "1cd713c22677ca222f421d7f0bb5b2d8e98496ea8939c0ec8cd3c8c87430bb32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cd713c22677ca222f421d7f0bb5b2d8e98496ea8939c0ec8cd3c8c87430bb32", kill_on_drop: false }`
[INFO] [stdout] 1cd713c22677ca222f421d7f0bb5b2d8e98496ea8939c0ec8cd3c8c87430bb32