[INFO] fetching crate trackermeta 0.5.1...
[INFO] checking trackermeta-0.5.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate trackermeta 0.5.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate trackermeta 0.5.1 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 trackermeta 0.5.1
[INFO] finished tweaking crates.io crate trackermeta 0.5.1
[INFO] tweaked toml for crates.io crate trackermeta 0.5.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate trackermeta 0.5.1 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flate2 v1.0.25
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.93
[INFO] [stderr]   Downloaded link-cplusplus v1.0.8
[INFO] [stderr]   Downloaded scratch v1.0.5
[INFO] [stderr]   Downloaded iana-time-zone v0.1.54
[INFO] [stderr]   Downloaded once_cell v1.17.1
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.93
[INFO] [stderr]   Downloaded cxx-build v1.0.93
[INFO] [stderr]   Downloaded cxx v1.0.93
[INFO] [stderr]   Downloaded syn v2.0.10
[INFO] [stderr]   Downloaded chrono v0.4.24
[INFO] [stderr]   Downloaded escaper v0.1.1
[INFO] [stderr]   Downloaded tl v0.7.7
[INFO] [stderr]   Downloaded proc-macro2 v1.0.53
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded iana-time-zone-haiku v0.1.1
[INFO] [stderr]   Downloaded ureq v2.6.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16f4f777e451f05bb60e09ae84a64f6eb3bb9fb23d94d79c3646aea7e123aba8
[INFO] running `Command { std: "docker" "start" "-a" "16f4f777e451f05bb60e09ae84a64f6eb3bb9fb23d94d79c3646aea7e123aba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16f4f777e451f05bb60e09ae84a64f6eb3bb9fb23d94d79c3646aea7e123aba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16f4f777e451f05bb60e09ae84a64f6eb3bb9fb23d94d79c3646aea7e123aba8", kill_on_drop: false }`
[INFO] [stdout] 16f4f777e451f05bb60e09ae84a64f6eb3bb9fb23d94d79c3646aea7e123aba8
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ee204787fdb6db04480464be763f9e2938dfd3d69e06afe556270ddc8723a42
[INFO] running `Command { std: "docker" "start" "-a" "9ee204787fdb6db04480464be763f9e2938dfd3d69e06afe556270ddc8723a42", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking iana-time-zone v0.1.54
[INFO] [stderr]     Checking tl v0.7.7
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking escaper v0.1.1
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking chrono v0.4.24
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki-roots v0.22.6
[INFO] [stderr]     Checking ureq v2.6.2
[INFO] [stderr]     Checking trackermeta v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.46s
[INFO] running `Command { std: "docker" "inspect" "9ee204787fdb6db04480464be763f9e2938dfd3d69e06afe556270ddc8723a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ee204787fdb6db04480464be763f9e2938dfd3d69e06afe556270ddc8723a42", kill_on_drop: false }`
[INFO] [stdout] 9ee204787fdb6db04480464be763f9e2938dfd3d69e06afe556270ddc8723a42