[INFO] fetching crate stc 0.3.1...
[INFO] checking stc-0.3.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate stc 0.3.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate stc 0.3.1 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 stc 0.3.1
[INFO] finished tweaking crates.io crate stc 0.3.1
[INFO] tweaked toml for crates.io crate stc 0.3.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate stc 0.3.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.185
[INFO] [stderr]   Downloaded predicates v3.0.3
[INFO] [stderr]   Downloaded assert_cmd v2.0.12
[INFO] [stderr]   Downloaded assert_fs v1.0.13
[INFO] [stderr]   Downloaded serde v1.0.185
[INFO] [stderr]   Downloaded color-spantrace v0.2.0
[INFO] [stderr]   Downloaded const_format v0.2.31
[INFO] [stderr]   Downloaded eyre v0.6.8
[INFO] [stderr]   Downloaded const_format_proc_macros v0.2.31
[INFO] [stderr]   Downloaded csv v1.2.2
[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] 588e637e735a397925860d152205d6709d1adf4e491e52742c860c6a25cffaa4
[INFO] running `Command { std: "docker" "start" "-a" "588e637e735a397925860d152205d6709d1adf4e491e52742c860c6a25cffaa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "588e637e735a397925860d152205d6709d1adf4e491e52742c860c6a25cffaa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588e637e735a397925860d152205d6709d1adf4e491e52742c860c6a25cffaa4", kill_on_drop: false }`
[INFO] [stdout] 588e637e735a397925860d152205d6709d1adf4e491e52742c860c6a25cffaa4
[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] 039ce00e82f9d3e4e9bb58746fc9e2aaa01f4ea167032cd647418cb5eff7e2c3
[INFO] running `Command { std: "docker" "start" "-a" "039ce00e82f9d3e4e9bb58746fc9e2aaa01f4ea167032cd647418cb5eff7e2c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]    Compiling serde v1.0.185
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.31
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking clap_builder v4.3.23
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking const_format v0.2.31
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.185
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking bstr v1.6.0
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking globset v0.4.13
[INFO] [stderr]     Checking assert_cmd v2.0.12
[INFO] [stderr]     Checking ignore v0.4.20
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking assert_fs v1.0.13
[INFO] [stderr]     Checking clap v4.3.23
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]     Checking stc v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]  --> src/git.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 |     borrow::{Cow, ToOwned},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToOwned` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]  --> src/git.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     convert::{AsRef, Into},
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `AsRef` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Into` is imported redundantly
[INFO] [stdout]  --> src/git.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 |     convert::{AsRef, Into},
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Into` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/git.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     string::{String, ToString},
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/git.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |     string::{String, ToString},
[INFO] [stdout]   |                      ^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]  --> src/git.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 |     borrow::{Cow, ToOwned},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToOwned` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]  --> src/git.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     convert::{AsRef, Into},
[INFO] [stdout]   |               ^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `AsRef` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Into` is imported redundantly
[INFO] [stdout]  --> src/git.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 |     convert::{AsRef, Into},
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Into` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/git.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |     string::{String, ToString},
[INFO] [stdout]   |                      ^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]    --> src/git.rs:378:9
[INFO] [stdout]     |
[INFO] [stdout] 378 |     use ::std::convert::From;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.48s
[INFO] running `Command { std: "docker" "inspect" "039ce00e82f9d3e4e9bb58746fc9e2aaa01f4ea167032cd647418cb5eff7e2c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039ce00e82f9d3e4e9bb58746fc9e2aaa01f4ea167032cd647418cb5eff7e2c3", kill_on_drop: false }`
[INFO] [stdout] 039ce00e82f9d3e4e9bb58746fc9e2aaa01f4ea167032cd647418cb5eff7e2c3