[INFO] fetching crate t-rs 0.2.1...
[INFO] checking t-rs-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate t-rs 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate t-rs 0.2.1 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 t-rs 0.2.1
[INFO] finished tweaking crates.io crate t-rs 0.2.1
[INFO] tweaked toml for crates.io crate t-rs 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate t-rs 0.2.1 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tempdir v0.3.7
[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] 63452be16e3aeddbf14ea16a218bbe5feeb86e699c37e742d544aebd16b46fbc
[INFO] running `Command { std: "docker" "start" "-a" "63452be16e3aeddbf14ea16a218bbe5feeb86e699c37e742d544aebd16b46fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63452be16e3aeddbf14ea16a218bbe5feeb86e699c37e742d544aebd16b46fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63452be16e3aeddbf14ea16a218bbe5feeb86e699c37e742d544aebd16b46fbc", kill_on_drop: false }`
[INFO] [stdout] 63452be16e3aeddbf14ea16a218bbe5feeb86e699c37e742d544aebd16b46fbc
[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] ba8e79e9adc24be518740bdff1ce785c9d06021affc450d57acf10bb6750e2e6
[INFO] running `Command { std: "docker" "start" "-a" "ba8e79e9adc24be518740bdff1ce785c9d06021affc450d57acf10bb6750e2e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking clap_builder v4.3.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]     Checking symlink v0.1.0
[INFO] [stderr]     Checking fs_extra v1.3.0
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking clap v4.3.11
[INFO] [stderr]     Checking t-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::default::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::default::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[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 26.12s
[INFO] running `Command { std: "docker" "inspect" "ba8e79e9adc24be518740bdff1ce785c9d06021affc450d57acf10bb6750e2e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba8e79e9adc24be518740bdff1ce785c9d06021affc450d57acf10bb6750e2e6", kill_on_drop: false }`
[INFO] [stdout] ba8e79e9adc24be518740bdff1ce785c9d06021affc450d57acf10bb6750e2e6