[INFO] cloning repository https://github.com/oli-obk/crab_subtree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oli-obk/crab_subtree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foli-obk%2Fcrab_subtree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foli-obk%2Fcrab_subtree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1065a74d309c1e23fae456bc437fd268c6f598d6
[INFO] checking oli-obk/crab_subtree against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foli-obk%2Fcrab_subtree" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oli-obk/crab_subtree 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/oli-obk/crab_subtree
[INFO] finished tweaking git repo https://github.com/oli-obk/crab_subtree
[INFO] tweaked toml for git repo https://github.com/oli-obk/crab_subtree written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/oli-obk/crab_subtree 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap-verbosity-flag v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] dab8ae28e48af0797c42983b0ad59b05c08bab0dc3a96a9a894f688476437ce2
[INFO] running `Command { std: "docker" "start" "-a" "dab8ae28e48af0797c42983b0ad59b05c08bab0dc3a96a9a894f688476437ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dab8ae28e48af0797c42983b0ad59b05c08bab0dc3a96a9a894f688476437ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab8ae28e48af0797c42983b0ad59b05c08bab0dc3a96a9a894f688476437ce2", kill_on_drop: false }`
[INFO] [stdout] dab8ae28e48af0797c42983b0ad59b05c08bab0dc3a96a9a894f688476437ce2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 916104010be9b0b88de8399886230abd013cfaa399388b11387eda3630e91cfb
[INFO] running `Command { std: "docker" "start" "-a" "916104010be9b0b88de8399886230abd013cfaa399388b11387eda3630e91cfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking textwrap v0.15.1
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking tracing-subscriber v0.3.15
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.14.0+1.5.0
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]     Checking git2 v0.15.0
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking clap v3.2.22
[INFO] [stderr]     Checking clap-verbosity-flag v1.0.1
[INFO] [stderr]     Checking crab_subtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.65s
[INFO] running `Command { std: "docker" "inspect" "916104010be9b0b88de8399886230abd013cfaa399388b11387eda3630e91cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "916104010be9b0b88de8399886230abd013cfaa399388b11387eda3630e91cfb", kill_on_drop: false }`
[INFO] [stdout] 916104010be9b0b88de8399886230abd013cfaa399388b11387eda3630e91cfb