[INFO] cloning repository https://github.com/vlaci/AoC2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vlaci/AoC2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlaci%2FAoC2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlaci%2FAoC2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2096ef37a55ea47ce4cd954a9168ac26aa18fa2b
[INFO] checking vlaci/AoC2019 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlaci%2FAoC2019" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vlaci/AoC2019 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vlaci/AoC2019
[INFO] finished tweaking git repo https://github.com/vlaci/AoC2019
[INFO] tweaked toml for git repo https://github.com/vlaci/AoC2019 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vlaci/AoC2019 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29e9a6be9d1d2ddeb544841ff81f9b3888baa88c4b1e2ba827342f03f85c8cc5
[INFO] running `Command { std: "docker" "start" "-a" "29e9a6be9d1d2ddeb544841ff81f9b3888baa88c4b1e2ba827342f03f85c8cc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29e9a6be9d1d2ddeb544841ff81f9b3888baa88c4b1e2ba827342f03f85c8cc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e9a6be9d1d2ddeb544841ff81f9b3888baa88c4b1e2ba827342f03f85c8cc5", kill_on_drop: false }`
[INFO] [stdout] 29e9a6be9d1d2ddeb544841ff81f9b3888baa88c4b1e2ba827342f03f85c8cc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f8d88ebb0b3887e9d0f31a615e7af39da8cf01f9d82475831dfc372b3a6075b
[INFO] running `Command { std: "docker" "start" "-a" "7f8d88ebb0b3887e9d0f31a615e7af39da8cf01f9d82475831dfc372b3a6075b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking strsim v0.9.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking fuel v0.1.0 (/opt/rustwide/workdir/day/01)
[INFO] [stderr]     Checking alarm v0.1.0 (/opt/rustwide/workdir/day/02)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.69s
[INFO] running `Command { std: "docker" "inspect" "7f8d88ebb0b3887e9d0f31a615e7af39da8cf01f9d82475831dfc372b3a6075b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f8d88ebb0b3887e9d0f31a615e7af39da8cf01f9d82475831dfc372b3a6075b", kill_on_drop: false }`
[INFO] [stdout] 7f8d88ebb0b3887e9d0f31a615e7af39da8cf01f9d82475831dfc372b3a6075b
[INFO] checking vlaci/AoC2019 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlaci%2FAoC2019" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vlaci/AoC2019 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vlaci/AoC2019
[INFO] finished tweaking git repo https://github.com/vlaci/AoC2019
[INFO] tweaked toml for git repo https://github.com/vlaci/AoC2019 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/vlaci/AoC2019 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96f0b4666b958b4c5b71e329df854a9227782d21f227028337cbcda8f209d95f
[INFO] running `Command { std: "docker" "start" "-a" "96f0b4666b958b4c5b71e329df854a9227782d21f227028337cbcda8f209d95f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96f0b4666b958b4c5b71e329df854a9227782d21f227028337cbcda8f209d95f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96f0b4666b958b4c5b71e329df854a9227782d21f227028337cbcda8f209d95f", kill_on_drop: false }`
[INFO] [stdout] 96f0b4666b958b4c5b71e329df854a9227782d21f227028337cbcda8f209d95f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91f62e93e7537458020f6ad2571bddd042263f76e6621620a4230d1093a7fd78
[INFO] running `Command { std: "docker" "start" "-a" "91f62e93e7537458020f6ad2571bddd042263f76e6621620a4230d1093a7fd78", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking strsim v0.9.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking alarm v0.1.0 (/opt/rustwide/workdir/day/02)
[INFO] [stderr]     Checking fuel v0.1.0 (/opt/rustwide/workdir/day/01)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.57s
[INFO] running `Command { std: "docker" "inspect" "91f62e93e7537458020f6ad2571bddd042263f76e6621620a4230d1093a7fd78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91f62e93e7537458020f6ad2571bddd042263f76e6621620a4230d1093a7fd78", kill_on_drop: false }`
[INFO] [stdout] 91f62e93e7537458020f6ad2571bddd042263f76e6621620a4230d1093a7fd78