[INFO] fetching crate pwnr 0.1.2...
[INFO] checking pwnr-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate pwnr 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate pwnr 0.1.2 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 pwnr 0.1.2
[INFO] finished tweaking crates.io crate pwnr 0.1.2
[INFO] tweaked toml for crates.io crate pwnr 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 98 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding checksec v0.0.8 (latest: v0.0.9)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding colored_json v2.1.0 (latest: v5.0.0)
[INFO] [stderr]       Adding goblin v0.2.3 (latest: v0.8.0)
[INFO] [stderr]       Adding goblin v0.3.4 (latest: v0.8.0)
[INFO] [stderr]       Adding goblin v0.7.1 (latest: v0.8.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding ntapi v0.3.7 (latest: v0.4.1)
[INFO] [stderr]       Adding scroll v0.10.2 (latest: v0.12.0)
[INFO] [stderr]       Adding scroll v0.11.0 (latest: v0.12.0)
[INFO] [stderr]       Adding scroll_derive v0.10.5 (latest: v0.12.0)
[INFO] [stderr]       Adding scroll_derive v0.11.1 (latest: v0.12.0)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding sysinfo v0.15.9 (latest: v0.30.8)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[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 scroll_derive v0.11.1
[INFO] [stderr]   Downloaded scroll v0.11.0
[INFO] [stderr]   Downloaded checksec v0.0.8
[INFO] [stderr]   Downloaded goblin v0.3.4
[INFO] [stderr]   Downloaded goblin v0.7.1
[INFO] [stderr]   Downloaded iced-x86 v1.21.0
[INFO] [stderr]   Downloaded ropr v0.2.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6a46c8caf4c39418fabfcb7268cd4e44280c00e4d748832a3b46a09d317afb21
[INFO] running `Command { std: "docker" "start" "-a" "6a46c8caf4c39418fabfcb7268cd4e44280c00e4d748832a3b46a09d317afb21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a46c8caf4c39418fabfcb7268cd4e44280c00e4d748832a3b46a09d317afb21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a46c8caf4c39418fabfcb7268cd4e44280c00e4d748832a3b46a09d317afb21", kill_on_drop: false }`
[INFO] [stdout] 6a46c8caf4c39418fabfcb7268cd4e44280c00e4d748832a3b46a09d317afb21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b4cf05e9514775fbb598818d3e278a2d353d6e78580af6b45028016ad29b3b91
[INFO] running `Command { std: "docker" "start" "-a" "b4cf05e9514775fbb598818d3e278a2d353d6e78580af6b45028016ad29b3b91", kill_on_drop: false }`
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]    Compiling sysinfo v0.15.9
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling scroll_derive v0.11.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking iced-x86 v1.21.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking scroll v0.11.0
[INFO] [stderr]     Checking colored_json v2.1.0
[INFO] [stderr]     Checking goblin v0.7.1
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking goblin v0.2.3
[INFO] [stderr]     Checking goblin v0.3.4
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking ignore v0.4.22
[INFO] [stderr]     Checking checksec v0.0.8
[INFO] [stderr]     Checking ropr v0.2.25
[INFO] [stderr]     Checking pwnr v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/process.rs:74:2
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct LocalProcess {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 73 |     child: Child,
[INFO] [stdout] 74 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/process.rs:74:2
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct LocalProcess {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 73 |     child: Child,
[INFO] [stdout] 74 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 10.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: checksec v0.0.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "b4cf05e9514775fbb598818d3e278a2d353d6e78580af6b45028016ad29b3b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4cf05e9514775fbb598818d3e278a2d353d6e78580af6b45028016ad29b3b91", kill_on_drop: false }`
[INFO] [stdout] b4cf05e9514775fbb598818d3e278a2d353d6e78580af6b45028016ad29b3b91
[INFO] checking pwnr-0.1.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate pwnr 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate pwnr 0.1.2 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 pwnr 0.1.2
[INFO] finished tweaking crates.io crate pwnr 0.1.2
[INFO] tweaked toml for crates.io crate pwnr 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f102a2b0e52f759eac078491402adc97bca94fa06094372eef8a89e6cd0662bd
[INFO] running `Command { std: "docker" "start" "-a" "f102a2b0e52f759eac078491402adc97bca94fa06094372eef8a89e6cd0662bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f102a2b0e52f759eac078491402adc97bca94fa06094372eef8a89e6cd0662bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f102a2b0e52f759eac078491402adc97bca94fa06094372eef8a89e6cd0662bd", kill_on_drop: false }`
[INFO] [stdout] f102a2b0e52f759eac078491402adc97bca94fa06094372eef8a89e6cd0662bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] bae6ab4604a3fa2d8ec5a7c24e8e448092d8f288501341e59415981e9963df94
[INFO] running `Command { std: "docker" "start" "-a" "bae6ab4604a3fa2d8ec5a7c24e8e448092d8f288501341e59415981e9963df94", kill_on_drop: false }`
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]    Compiling sysinfo v0.15.9
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling scroll_derive v0.11.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking iced-x86 v1.21.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking colored_json v2.1.0
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking scroll v0.11.0
[INFO] [stderr]     Checking goblin v0.2.3
[INFO] [stderr]     Checking goblin v0.3.4
[INFO] [stderr]     Checking goblin v0.7.1
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking ignore v0.4.22
[INFO] [stderr]     Checking checksec v0.0.8
[INFO] [stderr]     Checking ropr v0.2.25
[INFO] [stderr]     Checking pwnr v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/process.rs:74:2
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct LocalProcess {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 73 |     child: Child,
[INFO] [stdout] 74 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/process.rs:74:2
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct LocalProcess {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 73 |     child: Child,
[INFO] [stdout] 74 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 14.52s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: checksec v0.0.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "bae6ab4604a3fa2d8ec5a7c24e8e448092d8f288501341e59415981e9963df94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bae6ab4604a3fa2d8ec5a7c24e8e448092d8f288501341e59415981e9963df94", kill_on_drop: false }`
[INFO] [stdout] bae6ab4604a3fa2d8ec5a7c24e8e448092d8f288501341e59415981e9963df94