[INFO] fetching crate async-fcgi 0.4.3...
[INFO] checking async-fcgi-0.4.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate async-fcgi 0.4.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate async-fcgi 0.4.3 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 async-fcgi 0.4.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate async-fcgi 0.4.3
[INFO] tweaked toml for crates.io crate async-fcgi 0.4.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate async-fcgi 0.4.3 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-targets v0.42.2
[INFO] [stderr]   Downloaded async-stream-connection v1.0.0
[INFO] [stderr]   Downloaded http-body v0.4.3
[INFO] [stderr]   Downloaded httpdate v1.0.1
[INFO] [stderr]   Downloaded humantime v1.3.0
[INFO] [stderr]   Downloaded mio v0.8.6
[INFO] [stderr]   Downloaded hyper v0.14.13
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.2
[INFO] [stderr]   Downloaded libc v0.2.140
[INFO] [stderr]   Downloaded windows_i686_gnu v0.42.2
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.2
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.2
[INFO] [stderr]   Downloaded tokio v1.26.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.2
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.2
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.2
[INFO] [stderr]   Downloaded syn v1.0.80
[INFO] [stderr]   Downloaded socket2 v0.4.9
[INFO] [stderr]   Downloaded proc-macro2 v1.0.30
[INFO] [stderr]   Downloaded windows-sys v0.45.0
[INFO] [stderr]   Downloaded tokio-util v0.7.7
[INFO] [stderr]   Downloaded env_logger v0.7.1
[INFO] [stderr]   Downloaded quick-error v1.2.3
[INFO] [stderr]   Downloaded pretty_env_logger v0.4.0
[INFO] [stderr]   Downloaded tokio-macros v1.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2069eb44611cbc80f8c25217affd2a1f979d5364446270a42f92004a6c5bf7b7
[INFO] running `Command { std: "docker" "start" "-a" "2069eb44611cbc80f8c25217affd2a1f979d5364446270a42f92004a6c5bf7b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2069eb44611cbc80f8c25217affd2a1f979d5364446270a42f92004a6c5bf7b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2069eb44611cbc80f8c25217affd2a1f979d5364446270a42f92004a6c5bf7b7", kill_on_drop: false }`
[INFO] [stdout] 2069eb44611cbc80f8c25217affd2a1f979d5364446270a42f92004a6c5bf7b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8ec23678828d9d5d5bcd5675948207c09b5b0e21f77752f387bd4ff8a1d6cf41
[INFO] running `Command { std: "docker" "start" "-a" "8ec23678828d9d5d5bcd5675948207c09b5b0e21f77752f387bd4ff8a1d6cf41", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking async-fcgi v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Extend` is imported redundantly
[INFO] [stdout]   --> src/fastcgi.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::{iter::{Extend, FromIterator, IntoIterator}, fmt::Display};
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Extend` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]   --> src/fastcgi.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::{iter::{Extend, FromIterator, IntoIterator}, fmt::Display};
[INFO] [stdout]    |                          ^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]   --> src/fastcgi.rs:17:40
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::{iter::{Extend, FromIterator, IntoIterator}, fmt::Display};
[INFO] [stdout]    |                                        ^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `IntoIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]     Checking hyper v0.14.13
[INFO] [stdout] warning: the item `Extend` is imported redundantly
[INFO] [stdout]   --> src/fastcgi.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::{iter::{Extend, FromIterator, IntoIterator}, fmt::Display};
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Extend` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]   --> src/fastcgi.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::{iter::{Extend, FromIterator, IntoIterator}, fmt::Display};
[INFO] [stdout]    |                          ^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]   --> src/fastcgi.rs:17:40
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::{iter::{Extend, FromIterator, IntoIterator}, fmt::Display};
[INFO] [stdout]    |                                        ^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `IntoIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.70s
[INFO] running `Command { std: "docker" "inspect" "8ec23678828d9d5d5bcd5675948207c09b5b0e21f77752f387bd4ff8a1d6cf41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec23678828d9d5d5bcd5675948207c09b5b0e21f77752f387bd4ff8a1d6cf41", kill_on_drop: false }`
[INFO] [stdout] 8ec23678828d9d5d5bcd5675948207c09b5b0e21f77752f387bd4ff8a1d6cf41