[INFO] fetching crate cross-krb5 0.3.0...
[INFO] checking cross-krb5-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate cross-krb5 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate cross-krb5 0.3.0 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 cross-krb5 0.3.0
[INFO] finished tweaking crates.io crate cross-krb5 0.3.0
[INFO] tweaked toml for crates.io crate cross-krb5 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate cross-krb5 0.3.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shlex v1.1.0
[INFO] [stderr]   Downloaded libgssapi-sys v0.2.4
[INFO] [stderr]   Downloaded clang-sys v1.3.1
[INFO] [stderr]   Downloaded anyhow v1.0.53
[INFO] [stderr]   Downloaded nom v7.1.0
[INFO] [stderr]   Downloaded libloading v0.7.3
[INFO] [stderr]   Downloaded libc v0.2.118
[INFO] [stderr]   Downloaded which v4.2.4
[INFO] [stderr]   Downloaded bindgen v0.59.2
[INFO] [stderr]   Downloaded libgssapi v0.6.1
[INFO] [stderr]   Downloaded windows v0.34.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c3c9628e008b303c63640bfafc054602bf99e912a325db8f4670f1cdbd6f5089
[INFO] running `Command { std: "docker" "start" "-a" "c3c9628e008b303c63640bfafc054602bf99e912a325db8f4670f1cdbd6f5089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3c9628e008b303c63640bfafc054602bf99e912a325db8f4670f1cdbd6f5089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3c9628e008b303c63640bfafc054602bf99e912a325db8f4670f1cdbd6f5089", kill_on_drop: false }`
[INFO] [stdout] c3c9628e008b303c63640bfafc054602bf99e912a325db8f4670f1cdbd6f5089
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a9832b26844c5c951c5c8ef02983732314177ffbc222a2dd57593d5fae8c20a9
[INFO] running `Command { std: "docker" "start" "-a" "a9832b26844c5c951c5c8ef02983732314177ffbc222a2dd57593d5fae8c20a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]    Compiling clang-sys v1.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v4.2.4
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling libgssapi-sys v0.2.4
[INFO] [stderr]     Checking libgssapi v0.6.1
[INFO] [stderr]     Checking cross-krb5 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `bytes` is imported redundantly
[INFO] [stdout]  --> src/unix.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use bytes::{self, buf::Chain, Buf as _};
[INFO] [stdout]   |             ^^^^ the item `bytes` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bytes` is imported redundantly
[INFO] [stdout]  --> src/unix.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use bytes::{self, buf::Chain, Buf as _};
[INFO] [stdout]   |             ^^^^ the item `bytes` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.50s
[INFO] running `Command { std: "docker" "inspect" "a9832b26844c5c951c5c8ef02983732314177ffbc222a2dd57593d5fae8c20a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9832b26844c5c951c5c8ef02983732314177ffbc222a2dd57593d5fae8c20a9", kill_on_drop: false }`
[INFO] [stdout] a9832b26844c5c951c5c8ef02983732314177ffbc222a2dd57593d5fae8c20a9