[INFO] cloning repository https://github.com/arzg/unnamed-language
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arzg/unnamed-language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farzg%2Funnamed-language", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farzg%2Funnamed-language'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed0271c0af2cbf789e2f4bbc7e3853f7652c520c
[INFO] checking arzg/unnamed-language against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farzg%2Funnamed-language" "/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/arzg/unnamed-language on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arzg/unnamed-language
[INFO] finished tweaking git repo https://github.com/arzg/unnamed-language
[INFO] tweaked toml for git repo https://github.com/arzg/unnamed-language written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/arzg/unnamed-language already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded expect-test v1.1.0
[INFO] [stderr]   Downloaded dissimilar v1.0.2
[INFO] [stderr]   Downloaded crossterm v0.21.0
[INFO] [stderr]   Downloaded rowan v0.13.2
[INFO] [stderr]   Downloaded beef v0.5.1
[INFO] [stderr]   Downloaded logos-derive v0.12.0
[INFO] [stderr]   Downloaded drop_bomb v0.1.5
[INFO] [stderr]   Downloaded logos v0.12.0
[INFO] [stderr]   Downloaded lsp-server v0.5.2
[INFO] [stderr]   Downloaded text-size v1.1.0
[INFO] [stderr]   Downloaded countme v2.0.4
[INFO] [stderr]   Downloaded lsp-types v0.91.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", 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] c2728c26ec131118dcab8c0fdb164f131553a235892a0136d9ad3ab373b86a71
[INFO] running `Command { std: "docker" "start" "-a" "c2728c26ec131118dcab8c0fdb164f131553a235892a0136d9ad3ab373b86a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2728c26ec131118dcab8c0fdb164f131553a235892a0136d9ad3ab373b86a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2728c26ec131118dcab8c0fdb164f131553a235892a0136d9ad3ab373b86a71", kill_on_drop: false }`
[INFO] [stdout] c2728c26ec131118dcab8c0fdb164f131553a235892a0136d9ad3ab373b86a71
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] f930b9d4f6f43c776b6ccb509ef9af454b18dd4e675484161f3da28662ca1a8c
[INFO] running `Command { std: "docker" "start" "-a" "f930b9d4f6f43c776b6ccb509ef9af454b18dd4e675484161f3da28662ca1a8c", kill_on_drop: false }`
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking countme v2.0.4
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking arena v0.0.0 (/opt/rustwide/workdir/unnamedc/crates/arena)
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking pretty_assertions v1.0.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking token v0.0.0 (/opt/rustwide/workdir/unnamedc/crates/token)
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking hir v0.0.0 (/opt/rustwide/workdir/unnamedc/crates/hir)
[INFO] [stderr]     Checking expect-test v1.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking hir_ty v0.0.0 (/opt/rustwide/workdir/unnamedc/crates/hir_ty)
[INFO] [stderr]     Checking eval v0.0.0 (/opt/rustwide/workdir/unnamedc/crates/eval)
[INFO] [stderr]     Checking rowan v0.13.2
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking crossterm v0.21.0
[INFO] [stderr]     Checking syntax v0.0.0 (/opt/rustwide/workdir/unnamedc/crates/syntax)
[INFO] [stderr]     Checking parser v0.0.0 (/opt/rustwide/workdir/unnamedc/crates/parser)
[INFO] [stderr]     Checking ast v0.0.0 (/opt/rustwide/workdir/unnamedc/crates/ast)
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking hir_lower v0.0.0 (/opt/rustwide/workdir/unnamedc/crates/hir_lower)
[INFO] [stderr]     Checking errors v0.0.0 (/opt/rustwide/workdir/unnamedc/crates/errors)
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking logos v0.12.0
[INFO] [stderr]     Checking lexer v0.0.0 (/opt/rustwide/workdir/unnamedc/crates/lexer)
[INFO] [stderr]     Checking unnamedc v0.1.0 (/opt/rustwide/workdir/unnamedc/crates/unnamedc)
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking serde_json v1.0.70
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking unnamedvm v0.1.0 (/opt/rustwide/workdir/unnamedvm)
[INFO] [stderr]     Checking lsp-server v0.5.2
[INFO] [stderr]     Checking lsp-types v0.91.1
[INFO] [stderr]     Checking unnamed-server v0.1.0 (/opt/rustwide/workdir/unnamed-server)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "f930b9d4f6f43c776b6ccb509ef9af454b18dd4e675484161f3da28662ca1a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f930b9d4f6f43c776b6ccb509ef9af454b18dd4e675484161f3da28662ca1a8c", kill_on_drop: false }`
[INFO] [stdout] f930b9d4f6f43c776b6ccb509ef9af454b18dd4e675484161f3da28662ca1a8c