[INFO] fetching crate rebg 0.1.0...
[INFO] checking rebg-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rebg 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate rebg 0.1.0 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 rebg 0.1.0
[INFO] finished tweaking crates.io crate rebg 0.1.0
[INFO] tweaked toml for crates.io crate rebg 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate rebg 0.1.0 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 once_cell v1.17.2
[INFO] [stderr]   Downloaded scroll_derive v0.11.0
[INFO] [stderr]   Downloaded scroll v0.11.0
[INFO] [stderr]   Downloaded generator v0.7.4
[INFO] [stderr]   Downloaded argh_shared v0.1.10
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.86
[INFO] [stderr]   Downloaded oneshot v0.1.5
[INFO] [stderr]   Downloaded argh v0.1.10
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.86
[INFO] [stderr]   Downloaded argh_derive v0.1.10
[INFO] [stderr]   Downloaded bitflags v2.3.1
[INFO] [stderr]   Downloaded bollard-stubs v1.43.0-rc.2
[INFO] [stderr]   Downloaded bollard v0.15.0
[INFO] [stderr]   Downloaded serde_with v3.3.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.86
[INFO] [stderr]   Downloaded goblin v0.6.1
[INFO] [stderr]   Downloaded aho-corasick v1.0.1
[INFO] [stderr]   Downloaded regex v1.8.3
[INFO] [stderr]   Downloaded capstone v0.11.0
[INFO] [stderr]   Downloaded js-sys v0.3.63
[INFO] [stderr]   Downloaded pin-project v1.1.0
[INFO] [stderr]   Downloaded serde_repr v0.1.16
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.86
[INFO] [stderr]   Downloaded getrandom v0.2.9
[INFO] [stderr]   Downloaded pin-project-internal v1.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.86
[INFO] [stderr]   Downloaded capstone-sys v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 081a701f6bf99c5298303cd7e36e1791eb9bc2d4bddfa4a642b641400c1dde66
[INFO] running `Command { std: "docker" "start" "-a" "081a701f6bf99c5298303cd7e36e1791eb9bc2d4bddfa4a642b641400c1dde66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "081a701f6bf99c5298303cd7e36e1791eb9bc2d4bddfa4a642b641400c1dde66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "081a701f6bf99c5298303cd7e36e1791eb9bc2d4bddfa4a642b641400c1dde66", kill_on_drop: false }`
[INFO] [stdout] 081a701f6bf99c5298303cd7e36e1791eb9bc2d4bddfa4a642b641400c1dde66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0beb2bd49bef0f4b3e1e2b2858bdf56b1f7c86ad69322e78ff0d64edbb939ac3
[INFO] running `Command { std: "docker" "start" "-a" "0beb2bd49bef0f4b3e1e2b2858bdf56b1f7c86ad69322e78ff0d64edbb939ac3", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking once_cell v1.17.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling argh_shared v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking xattr v1.0.1
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking tar v0.4.40
[INFO] [stderr]     Checking bitflags v2.3.1
[INFO] [stderr]     Checking oneshot v0.1.5
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling capstone-sys v0.15.0
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking regex v1.8.3
[INFO] [stderr]    Compiling scroll_derive v0.11.0
[INFO] [stderr]    Compiling argh_derive v0.1.10
[INFO] [stderr]     Checking scroll v0.11.0
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking goblin v0.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling pin-project-internal v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling serde_repr v0.1.16
[INFO] [stderr]     Checking argh v0.1.10
[INFO] [stderr]     Checking pin-project v1.1.0
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking serde v1.0.188
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking serde_with v3.3.0
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking bollard-stubs v1.43.0-rc.2
[INFO] [stderr]     Checking hyperlocal v0.8.0
[INFO] [stderr]     Checking bollard v0.15.0
[INFO] [stderr]     Checking capstone v0.11.0
[INFO] [stderr]     Checking rebg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `addr` and `size` are never read
[INFO] [stdout]    --> src/analyzer/dump.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |     Munmap {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 166 |         addr: u64,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 167 |         size: u64,
[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: fields `addr` and `size` are never read
[INFO] [stdout]    --> src/analyzer/dump.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |     Munmap {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 166 |         addr: u64,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 167 |         size: u64,
[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 24.78s
[INFO] running `Command { std: "docker" "inspect" "0beb2bd49bef0f4b3e1e2b2858bdf56b1f7c86ad69322e78ff0d64edbb939ac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0beb2bd49bef0f4b3e1e2b2858bdf56b1f7c86ad69322e78ff0d64edbb939ac3", kill_on_drop: false }`
[INFO] [stdout] 0beb2bd49bef0f4b3e1e2b2858bdf56b1f7c86ad69322e78ff0d64edbb939ac3
[INFO] checking rebg-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate rebg 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate rebg 0.1.0 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 rebg 0.1.0
[INFO] finished tweaking crates.io crate rebg 0.1.0
[INFO] tweaked toml for crates.io crate rebg 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate rebg 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d31fa50b6e0d7276128a60cac2848d416d2ee3d71797695ac9d678211831dfb7
[INFO] running `Command { std: "docker" "start" "-a" "d31fa50b6e0d7276128a60cac2848d416d2ee3d71797695ac9d678211831dfb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d31fa50b6e0d7276128a60cac2848d416d2ee3d71797695ac9d678211831dfb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d31fa50b6e0d7276128a60cac2848d416d2ee3d71797695ac9d678211831dfb7", kill_on_drop: false }`
[INFO] [stdout] d31fa50b6e0d7276128a60cac2848d416d2ee3d71797695ac9d678211831dfb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e22615a0631e843b2a9c8296468f015eb422c2d83d3006a1ee50be41d6c1c3a3
[INFO] running `Command { std: "docker" "start" "-a" "e22615a0631e843b2a9c8296468f015eb422c2d83d3006a1ee50be41d6c1c3a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking once_cell v1.17.2
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling argh_shared v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking xattr v1.0.1
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking tar v0.4.40
[INFO] [stderr]     Checking bitflags v2.3.1
[INFO] [stderr]     Checking oneshot v0.1.5
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling capstone-sys v0.15.0
[INFO] [stderr]     Checking regex v1.8.3
[INFO] [stderr]    Compiling scroll_derive v0.11.0
[INFO] [stderr]    Compiling argh_derive v0.1.10
[INFO] [stderr]     Checking scroll v0.11.0
[INFO] [stderr]     Checking goblin v0.6.1
[INFO] [stderr]     Checking argh v0.1.10
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling pin-project-internal v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling serde_repr v0.1.16
[INFO] [stderr]     Checking pin-project v1.1.0
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking serde v1.0.188
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking serde_with v3.3.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking bollard-stubs v1.43.0-rc.2
[INFO] [stderr]     Checking hyperlocal v0.8.0
[INFO] [stderr]     Checking bollard v0.15.0
[INFO] [stderr]     Checking capstone v0.11.0
[INFO] [stderr]     Checking rebg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `addr` and `size` are never read
[INFO] [stdout]    --> src/analyzer/dump.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |     Munmap {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 166 |         addr: u64,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 167 |         size: u64,
[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: fields `addr` and `size` are never read
[INFO] [stdout]    --> src/analyzer/dump.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |     Munmap {
[INFO] [stdout]     |     ------ fields in this variant
[INFO] [stdout] 166 |         addr: u64,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 167 |         size: u64,
[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 46.19s
[INFO] running `Command { std: "docker" "inspect" "e22615a0631e843b2a9c8296468f015eb422c2d83d3006a1ee50be41d6c1c3a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e22615a0631e843b2a9c8296468f015eb422c2d83d3006a1ee50be41d6c1c3a3", kill_on_drop: false }`
[INFO] [stdout] e22615a0631e843b2a9c8296468f015eb422c2d83d3006a1ee50be41d6c1c3a3