[INFO] fetching crate pwn 0.3.0...
[INFO] checking pwn-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate pwn 0.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate pwn 0.3.0 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 pwn 0.3.0
[INFO] finished tweaking crates.io crate pwn 0.3.0
[INFO] tweaked toml for crates.io crate pwn 0.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate pwn 0.3.0 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 tracing-core v0.1.23
[INFO] [stderr]   Downloaded tracing-log v0.1.2
[INFO] [stderr]   Downloaded fd-lock v3.0.4
[INFO] [stderr]   Downloaded scroll_derive v0.11.0
[INFO] [stderr]   Downloaded str-buf v1.0.5
[INFO] [stderr]   Downloaded scroll v0.11.0
[INFO] [stderr]   Downloaded io-lifetimes v0.5.3
[INFO] [stderr]   Downloaded tracing v0.1.32
[INFO] [stderr]   Downloaded rustyline v9.1.2
[INFO] [stderr]   Downloaded goblin v0.5.1
[INFO] [stderr]   Downloaded rustix v0.33.4
[INFO] [stderr]   Downloaded nix v0.23.1
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.42
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.30.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.30.0
[INFO] [stderr]   Downloaded duplicate v0.4.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.30.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.30.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.9
[INFO] [stderr]   Downloaded windows-sys v0.30.0
[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] dd832d345dcd170132aca75ea14940c480da4b2a552a292f6a9f891196d7c3b8
[INFO] running `Command { std: "docker" "start" "-a" "dd832d345dcd170132aca75ea14940c480da4b2a552a292f6a9f891196d7c3b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd832d345dcd170132aca75ea14940c480da4b2a552a292f6a9f891196d7c3b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd832d345dcd170132aca75ea14940c480da4b2a552a292f6a9f891196d7c3b8", kill_on_drop: false }`
[INFO] [stdout] dd832d345dcd170132aca75ea14940c480da4b2a552a292f6a9f891196d7c3b8
[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] f69dd7f27cfbae1db8d895da838fc43dca463c9ed40e26bd60705068ef9e2b3c
[INFO] running `Command { std: "docker" "start" "-a" "f69dd7f27cfbae1db8d895da838fc43dca463c9ed40e26bd60705068ef9e2b3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling io-lifetimes v0.5.3
[INFO] [stderr]    Compiling rustix v0.33.4
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking linux-raw-sys v0.0.42
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking tracing-core v0.1.23
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tracing-subscriber v0.3.9
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking fd-lock v3.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rustyline v9.1.2
[INFO] [stderr]    Compiling scroll_derive v0.11.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling duplicate v0.4.0
[INFO] [stderr]     Checking scroll v0.11.0
[INFO] [stderr]     Checking goblin v0.5.1
[INFO] [stderr]     Checking tracing v0.1.32
[INFO] [stderr]     Checking pwn v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.78s
[INFO] running `Command { std: "docker" "inspect" "f69dd7f27cfbae1db8d895da838fc43dca463c9ed40e26bd60705068ef9e2b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f69dd7f27cfbae1db8d895da838fc43dca463c9ed40e26bd60705068ef9e2b3c", kill_on_drop: false }`
[INFO] [stdout] f69dd7f27cfbae1db8d895da838fc43dca463c9ed40e26bd60705068ef9e2b3c
[INFO] checking pwn-0.3.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate pwn 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate pwn 0.3.0 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 pwn 0.3.0
[INFO] finished tweaking crates.io crate pwn 0.3.0
[INFO] tweaked toml for crates.io crate pwn 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate pwn 0.3.0 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-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] 1675abbf0d72579bf10fe31df467b4b9927767afe0d93173ef88f47f54368391
[INFO] running `Command { std: "docker" "start" "-a" "1675abbf0d72579bf10fe31df467b4b9927767afe0d93173ef88f47f54368391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1675abbf0d72579bf10fe31df467b4b9927767afe0d93173ef88f47f54368391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1675abbf0d72579bf10fe31df467b4b9927767afe0d93173ef88f47f54368391", kill_on_drop: false }`
[INFO] [stdout] 1675abbf0d72579bf10fe31df467b4b9927767afe0d93173ef88f47f54368391
[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] 9442f74d491464073b290cad807bc62e675b70ffe0fbc06df4c373a3531ad558
[INFO] running `Command { std: "docker" "start" "-a" "9442f74d491464073b290cad807bc62e675b70ffe0fbc06df4c373a3531ad558", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling io-lifetimes v0.5.3
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling rustix v0.33.4
[INFO] [stderr]     Checking linux-raw-sys v0.0.42
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking tracing-core v0.1.23
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.9
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking fd-lock v3.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rustyline v9.1.2
[INFO] [stderr]    Compiling scroll_derive v0.11.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling duplicate v0.4.0
[INFO] [stderr]     Checking scroll v0.11.0
[INFO] [stderr]     Checking goblin v0.5.1
[INFO] [stderr]     Checking tracing v0.1.32
[INFO] [stderr]     Checking pwn v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.12s
[INFO] running `Command { std: "docker" "inspect" "9442f74d491464073b290cad807bc62e675b70ffe0fbc06df4c373a3531ad558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9442f74d491464073b290cad807bc62e675b70ffe0fbc06df4c373a3531ad558", kill_on_drop: false }`
[INFO] [stdout] 9442f74d491464073b290cad807bc62e675b70ffe0fbc06df4c373a3531ad558