[INFO] fetching crate rust-spy 0.2.0...
[INFO] checking rust-spy-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rust-spy 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rust-spy 0.2.0 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 rust-spy 0.2.0
[INFO] finished tweaking crates.io crate rust-spy 0.2.0
[INFO] tweaked toml for crates.io crate rust-spy 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate rust-spy 0.2.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rstack v0.3.3
[INFO] [stderr]   Downloaded anstyle v1.0.3
[INFO] [stderr]   Downloaded thiserror-core v1.0.38
[INFO] [stderr]   Downloaded ruzstd v0.4.0
[INFO] [stderr]   Downloaded thiserror-core-impl v1.0.38
[INFO] [stderr]   Downloaded memmap2 v0.7.1
[INFO] [stderr]   Downloaded dw-sys v0.1.0
[INFO] [stderr]   Downloaded syn v2.0.31
[INFO] [stderr]   Downloaded dw v0.2.0
[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] 356be1f54e9e8f96fd3413bc636657ae05762fb5c6b50ab5acc97eec076a7427
[INFO] running `Command { std: "docker" "start" "-a" "356be1f54e9e8f96fd3413bc636657ae05762fb5c6b50ab5acc97eec076a7427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "356be1f54e9e8f96fd3413bc636657ae05762fb5c6b50ab5acc97eec076a7427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "356be1f54e9e8f96fd3413bc636657ae05762fb5c6b50ab5acc97eec076a7427", kill_on_drop: false }`
[INFO] [stdout] 356be1f54e9e8f96fd3413bc636657ae05762fb5c6b50ab5acc97eec076a7427
[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] d563672f32fa6ff5e10176fa13a049f3953593af0d46583ae3a874a0ae438a8b
[INFO] running `Command { std: "docker" "start" "-a" "d563672f32fa6ff5e10176fa13a049f3953593af0d46583ae3a874a0ae438a8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling thiserror-core v1.0.38
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking foreign-types-shared v0.3.1
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cpp_demangle v0.4.3
[INFO] [stderr]     Checking anstyle v1.0.3
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]    Compiling dw-sys v0.1.0
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking clap_builder v4.4.5
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking memmap2 v0.7.1
[INFO] [stderr]    Compiling thiserror-core-impl v1.0.38
[INFO] [stderr]    Compiling foreign-types-macros v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]     Checking ruzstd v0.4.0
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking dw v0.2.0
[INFO] [stderr]     Checking rstack v0.3.3
[INFO] [stderr]     Checking clap v4.4.5
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking rust-spy v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rstack` is imported redundantly
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use rstack;
[INFO] [stdout]    |     ^^^^^^ the item `rstack` 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 `rstack` is imported redundantly
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use rstack;
[INFO] [stdout]    |     ^^^^^^ the item `rstack` 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 32.22s
[INFO] running `Command { std: "docker" "inspect" "d563672f32fa6ff5e10176fa13a049f3953593af0d46583ae3a874a0ae438a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d563672f32fa6ff5e10176fa13a049f3953593af0d46583ae3a874a0ae438a8b", kill_on_drop: false }`
[INFO] [stdout] d563672f32fa6ff5e10176fa13a049f3953593af0d46583ae3a874a0ae438a8b
[INFO] checking rust-spy-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate rust-spy 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate rust-spy 0.2.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-spy 0.2.0
[INFO] finished tweaking crates.io crate rust-spy 0.2.0
[INFO] tweaked toml for crates.io crate rust-spy 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate rust-spy 0.2.0 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a182da42a651c7677d92fb25846aa810aa47c868a83e97b50c01b853a21ca6db
[INFO] running `Command { std: "docker" "start" "-a" "a182da42a651c7677d92fb25846aa810aa47c868a83e97b50c01b853a21ca6db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a182da42a651c7677d92fb25846aa810aa47c868a83e97b50c01b853a21ca6db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a182da42a651c7677d92fb25846aa810aa47c868a83e97b50c01b853a21ca6db", kill_on_drop: false }`
[INFO] [stdout] a182da42a651c7677d92fb25846aa810aa47c868a83e97b50c01b853a21ca6db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9949c06e0eb96b05ba7ba2b5261e639c2232377036a9eff78519b841dc2c06f8
[INFO] running `Command { std: "docker" "start" "-a" "9949c06e0eb96b05ba7ba2b5261e639c2232377036a9eff78519b841dc2c06f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling thiserror-core v1.0.38
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking foreign-types-shared v0.3.1
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling cpp_demangle v0.4.3
[INFO] [stderr]     Checking anstyle v1.0.3
[INFO] [stderr]    Compiling dw-sys v0.1.0
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking clap_builder v4.4.5
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking memmap2 v0.7.1
[INFO] [stderr]    Compiling thiserror-core-impl v1.0.38
[INFO] [stderr]     Checking ruzstd v0.4.0
[INFO] [stderr]    Compiling foreign-types-macros v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking dw v0.2.0
[INFO] [stderr]     Checking rstack v0.3.3
[INFO] [stderr]     Checking clap v4.4.5
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking rust-spy v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rstack` is imported redundantly
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use rstack;
[INFO] [stdout]    |     ^^^^^^ the item `rstack` 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 `rstack` is imported redundantly
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use rstack;
[INFO] [stdout]    |     ^^^^^^ the item `rstack` 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 25.43s
[INFO] running `Command { std: "docker" "inspect" "9949c06e0eb96b05ba7ba2b5261e639c2232377036a9eff78519b841dc2c06f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9949c06e0eb96b05ba7ba2b5261e639c2232377036a9eff78519b841dc2c06f8", kill_on_drop: false }`
[INFO] [stdout] 9949c06e0eb96b05ba7ba2b5261e639c2232377036a9eff78519b841dc2c06f8