[INFO] cloning repository https://github.com/xu-cheng/aoc19
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xu-cheng/aoc19" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxu-cheng%2Faoc19", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxu-cheng%2Faoc19'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b55cdb344682ec680a216c6529c6087dc445591e
[INFO] checking xu-cheng/aoc19 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxu-cheng%2Faoc19" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xu-cheng/aoc19 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xu-cheng/aoc19
[INFO] finished tweaking git repo https://github.com/xu-cheng/aoc19
[INFO] tweaked toml for git repo https://github.com/xu-cheng/aoc19 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/xu-cheng/aoc19 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-iter v0.1.39
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded indexmap v0.4.1
[INFO] [stderr]   Downloaded priority-queue v0.6.0
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] [stderr]   Downloaded bytecount v0.6.0
[INFO] [stderr]   Downloaded anyhow v1.0.25
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3dc08b3b30ff97fed59fb7541c8bf0cdaf9e4e8a519ef044da7b0cbd1f6f2ad3
[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" "3dc08b3b30ff97fed59fb7541c8bf0cdaf9e4e8a519ef044da7b0cbd1f6f2ad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3dc08b3b30ff97fed59fb7541c8bf0cdaf9e4e8a519ef044da7b0cbd1f6f2ad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dc08b3b30ff97fed59fb7541c8bf0cdaf9e4e8a519ef044da7b0cbd1f6f2ad3", kill_on_drop: false }`
[INFO] [stdout] 3dc08b3b30ff97fed59fb7541c8bf0cdaf9e4e8a519ef044da7b0cbd1f6f2ad3
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] e70378475058d19e259b596872d93e1b00a755792efcafd2ea4fed90da38ada2
[INFO] running `Command { std: "docker" "start" "-a" "e70378475058d19e259b596872d93e1b00a755792efcafd2ea4fed90da38ada2", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.25
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking indexmap v0.4.1
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking priority-queue v0.6.0
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.34s
[INFO] running `Command { std: "docker" "inspect" "e70378475058d19e259b596872d93e1b00a755792efcafd2ea4fed90da38ada2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e70378475058d19e259b596872d93e1b00a755792efcafd2ea4fed90da38ada2", kill_on_drop: false }`
[INFO] [stdout] e70378475058d19e259b596872d93e1b00a755792efcafd2ea4fed90da38ada2