[INFO] cloning repository https://github.com/myolang/myoc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/myolang/myoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyolang%2Fmyoc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyolang%2Fmyoc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f611ee94d5814c1da8f913435dcf7294945fccd7
[INFO] checking myolang/myoc against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyolang%2Fmyoc" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/myolang/myoc on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/myolang/myoc
[INFO] finished tweaking git repo https://github.com/myolang/myoc
[INFO] tweaked toml for git repo https://github.com/myolang/myoc written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/myolang/myoc 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kiki v6.1.1
[INFO] [stderr]   Downloaded kiki v7.0.0
[INFO] [stderr]   Downloaded kiki v5.0.0
[INFO] [stderr]   Downloaded sha256 v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22948f88d900eb00fa2f51bbf2956849f894ab7fd01f17d40faca4e88814e629
[INFO] running `Command { std: "docker" "start" "-a" "22948f88d900eb00fa2f51bbf2956849f894ab7fd01f17d40faca4e88814e629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22948f88d900eb00fa2f51bbf2956849f894ab7fd01f17d40faca4e88814e629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22948f88d900eb00fa2f51bbf2956849f894ab7fd01f17d40faca4e88814e629", kill_on_drop: false }`
[INFO] [stdout] 22948f88d900eb00fa2f51bbf2956849f894ab7fd01f17d40faca4e88814e629
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a2307ac0d9066e544797c38de9e269d8f87e9ec0949cdb87fefaccbabbbaf2f
[INFO] running `Command { std: "docker" "start" "-a" "0a2307ac0d9066e544797c38de9e269d8f87e9ec0949cdb87fefaccbabbbaf2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling tokio v1.36.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling sha256 v1.5.0
[INFO] [stderr]    Compiling kiki v5.0.0
[INFO] [stderr]    Compiling kiki v6.1.1
[INFO] [stderr]    Compiling kiki v7.0.0
[INFO] [stderr]    Compiling myoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.86s
[INFO] running `Command { std: "docker" "inspect" "0a2307ac0d9066e544797c38de9e269d8f87e9ec0949cdb87fefaccbabbbaf2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a2307ac0d9066e544797c38de9e269d8f87e9ec0949cdb87fefaccbabbbaf2f", kill_on_drop: false }`
[INFO] [stdout] 0a2307ac0d9066e544797c38de9e269d8f87e9ec0949cdb87fefaccbabbbaf2f