[INFO] fetching crate calloop 0.12.3...
[INFO] checking calloop-0.12.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate calloop 0.12.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate calloop 0.12.3 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 calloop 0.12.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate calloop 0.12.3
[INFO] tweaked toml for crates.io crate calloop 0.12.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate calloop 0.12.3 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]  Downloading crates ...
[INFO] [stderr]   Downloaded polling v3.0.0
[INFO] [stderr]   Downloaded async-task v4.4.0
[INFO] [stderr]   Downloaded rustix v0.38.11
[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] 7dd1523cc972366eb02c8fa6816c80e107d0d1e7d12e607ea3743dd742bb1917
[INFO] running `Command { std: "docker" "start" "-a" "7dd1523cc972366eb02c8fa6816c80e107d0d1e7d12e607ea3743dd742bb1917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dd1523cc972366eb02c8fa6816c80e107d0d1e7d12e607ea3743dd742bb1917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd1523cc972366eb02c8fa6816c80e107d0d1e7d12e607ea3743dd742bb1917", kill_on_drop: false }`
[INFO] [stdout] 7dd1523cc972366eb02c8fa6816c80e107d0d1e7d12e607ea3743dd742bb1917
[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] 03f69bb0907279b80893b5a2b2fad3cc998e08e2c13be99936a0636e2fbb4d3e
[INFO] running `Command { std: "docker" "start" "-a" "03f69bb0907279b80893b5a2b2fad3cc998e08e2c13be99936a0636e2fbb4d3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling rustix v0.38.11
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]     Checking polling v3.0.0
[INFO] [stderr]     Checking calloop v0.12.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stdout] warning: the item `Duration` is imported redundantly
[INFO] [stdout]    --> src/sources/timer.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 366 |     use super::*;
[INFO] [stdout]     |         -------- the item `Duration` is already imported here
[INFO] [stdout] 367 |     use crate::*;
[INFO] [stdout] 368 |     use std::time::Duration;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.08s
[INFO] running `Command { std: "docker" "inspect" "03f69bb0907279b80893b5a2b2fad3cc998e08e2c13be99936a0636e2fbb4d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03f69bb0907279b80893b5a2b2fad3cc998e08e2c13be99936a0636e2fbb4d3e", kill_on_drop: false }`
[INFO] [stdout] 03f69bb0907279b80893b5a2b2fad3cc998e08e2c13be99936a0636e2fbb4d3e