[INFO] fetching crate sbplug 0.0.4...
[INFO] checking sbplug-0.0.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate sbplug 0.0.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate sbplug 0.0.4 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 sbplug 0.0.4
[INFO] finished tweaking crates.io crate sbplug 0.0.4
[INFO] tweaked toml for crates.io crate sbplug 0.0.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate sbplug 0.0.4 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 ipnet v2.7.2
[INFO] [stderr]   Downloaded schannel v0.1.21
[INFO] [stderr]   Downloaded hyper v0.14.26
[INFO] [stderr]   Downloaded tokio v1.28.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9a2c257a6ebcb8becb66a6beeae221417c04edbc4fab780edd0aca09f823aa54
[INFO] running `Command { std: "docker" "start" "-a" "9a2c257a6ebcb8becb66a6beeae221417c04edbc4fab780edd0aca09f823aa54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a2c257a6ebcb8becb66a6beeae221417c04edbc4fab780edd0aca09f823aa54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a2c257a6ebcb8becb66a6beeae221417c04edbc4fab780edd0aca09f823aa54", kill_on_drop: false }`
[INFO] [stdout] 9a2c257a6ebcb8becb66a6beeae221417c04edbc4fab780edd0aca09f823aa54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dfd99770c190353c7d32893f3483d9baaa1feeb5f02a8d45df24fca5917a95a0
[INFO] running `Command { std: "docker" "start" "-a" "dfd99770c190353c7d32893f3483d9baaa1feeb5f02a8d45df24fca5917a95a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking lock_api v0.4.10
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling openssl v0.10.55
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling openssl-sys v0.9.90
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking ipnet v2.7.2
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking hyper v0.14.26
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking sbplug v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.35s
[INFO] running `Command { std: "docker" "inspect" "dfd99770c190353c7d32893f3483d9baaa1feeb5f02a8d45df24fca5917a95a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfd99770c190353c7d32893f3483d9baaa1feeb5f02a8d45df24fca5917a95a0", kill_on_drop: false }`
[INFO] [stdout] dfd99770c190353c7d32893f3483d9baaa1feeb5f02a8d45df24fca5917a95a0