[INFO] cloning repository https://github.com/mrozycki/langjam0001
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrozycki/langjam0001" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrozycki%2Flangjam0001", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrozycki%2Flangjam0001'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 419fbbcffac5a1a7bb3ad4ae0178bc6a99d675ae
[INFO] checking mrozycki/langjam0001 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrozycki%2Flangjam0001" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrozycki/langjam0001 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/mrozycki/langjam0001
[INFO] finished tweaking git repo https://github.com/mrozycki/langjam0001
[INFO] tweaked toml for git repo https://github.com/mrozycki/langjam0001 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mrozycki/langjam0001 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded qp-trie v0.7.7
[INFO] [stderr]   Downloaded gc_derive v0.4.1
[INFO] [stderr]   Downloaded gc v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a66fb36811b5546a10f875d020f100e0a76232cb850161bf415e9c27dec2f18c
[INFO] running `Command { std: "docker" "start" "-a" "a66fb36811b5546a10f875d020f100e0a76232cb850161bf415e9c27dec2f18c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a66fb36811b5546a10f875d020f100e0a76232cb850161bf415e9c27dec2f18c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a66fb36811b5546a10f875d020f100e0a76232cb850161bf415e9c27dec2f18c", kill_on_drop: false }`
[INFO] [stdout] a66fb36811b5546a10f875d020f100e0a76232cb850161bf415e9c27dec2f18c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 850e2414ae93dba3aa041cf127ea996981bce171ba12890f6f1d2b25feb15d3e
[INFO] running `Command { std: "docker" "start" "-a" "850e2414ae93dba3aa041cf127ea996981bce171ba12890f6f1d2b25feb15d3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking joinery v2.1.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking qp-trie v0.7.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling gc_derive v0.4.1
[INFO] [stderr]     Checking gc v0.4.1
[INFO] [stderr]     Checking langjam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/interpreter.rs:476:13
[INFO] [stdout]     |
[INFO] [stdout] 476 |             Ok(a) => match a {},
[INFO] [stdout]     |             ^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/interpreter.rs:476:13
[INFO] [stdout]     |
[INFO] [stdout] 476 |             Ok(a) => match a {},
[INFO] [stdout]     |             ^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.51s
[INFO] running `Command { std: "docker" "inspect" "850e2414ae93dba3aa041cf127ea996981bce171ba12890f6f1d2b25feb15d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850e2414ae93dba3aa041cf127ea996981bce171ba12890f6f1d2b25feb15d3e", kill_on_drop: false }`
[INFO] [stdout] 850e2414ae93dba3aa041cf127ea996981bce171ba12890f6f1d2b25feb15d3e