[INFO] fetching crate hallo 0.1.2...
[INFO] checking hallo-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate hallo 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate hallo 0.1.2 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 crates.io crate hallo 0.1.2
[INFO] finished tweaking crates.io crate hallo 0.1.2
[INFO] tweaked toml for crates.io crate hallo 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate hallo 0.1.2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded miniz_oxide v0.5.3
[INFO] [stderr]   Downloaded android_system_properties v0.1.4
[INFO] [stderr]   Downloaded tracing-core v0.1.29
[INFO] [stderr]   Downloaded iana-time-zone v0.1.44
[INFO] [stderr]   Downloaded tracing v0.1.36
[INFO] [stderr]   Downloaded chrono v0.4.22
[INFO] [stderr]   Downloaded object v0.29.0
[INFO] [stderr]   Downloaded libc v0.2.131
[INFO] [stderr]   Downloaded gimli v0.26.2
[INFO] [stderr]   Downloaded color-eyre v0.6.2
[INFO] [stderr]   Downloaded backtrace v0.3.66
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2b3a5b95161ba443c9145dbf7f918fd9b54e0377588e4f5b891cab86bada008a
[INFO] running `Command { std: "docker" "start" "-a" "2b3a5b95161ba443c9145dbf7f918fd9b54e0377588e4f5b891cab86bada008a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b3a5b95161ba443c9145dbf7f918fd9b54e0377588e4f5b891cab86bada008a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b3a5b95161ba443c9145dbf7f918fd9b54e0377588e4f5b891cab86bada008a", kill_on_drop: false }`
[INFO] [stdout] 2b3a5b95161ba443c9145dbf7f918fd9b54e0377588e4f5b891cab86bada008a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8e0522a621da6420d022185a271528ab7afba4ab63694ef158c916bd6db13da6
[INFO] running `Command { std: "docker" "start" "-a" "8e0522a621da6420d022185a271528ab7afba4ab63694ef158c916bd6db13da6", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling libc v0.2.131
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking iana-time-zone v0.1.44
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking eyre v0.6.8
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking tracing-subscriber v0.3.15
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking hallo v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.80s
[INFO] running `Command { std: "docker" "inspect" "8e0522a621da6420d022185a271528ab7afba4ab63694ef158c916bd6db13da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e0522a621da6420d022185a271528ab7afba4ab63694ef158c916bd6db13da6", kill_on_drop: false }`
[INFO] [stdout] 8e0522a621da6420d022185a271528ab7afba4ab63694ef158c916bd6db13da6