[INFO] fetching crate ibdl-common 1.4.0...
[INFO] checking ibdl-common-1.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ibdl-common 1.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ibdl-common 1.4.0 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 ibdl-common 1.4.0
[INFO] finished tweaking crates.io crate ibdl-common 1.4.0
[INFO] tweaked toml for crates.io crate ibdl-common 1.4.0 written to /workspace/builds/worker-4-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]      Locking 133 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding h2 v0.3.26 (latest: v0.4.4)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.0)
[INFO] [stderr]       Adding hyper v0.14.28 (latest: v1.2.0)
[INFO] [stderr]       Adding hyper-rustls v0.24.2 (latest: v0.27.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding reqwest v0.11.27 (latest: v0.12.3)
[INFO] [stderr]       Adding rustls v0.21.10 (latest: v0.23.4)
[INFO] [stderr]       Adding rustls-pemfile v1.0.4 (latest: v2.1.1)
[INFO] [stderr]       Adding rustls-webpki v0.101.7 (latest: v0.102.2)
[INFO] [stderr]       Adding sync_wrapper v0.1.2 (latest: v1.0.0)
[INFO] [stderr]       Adding system-configuration v0.5.1 (latest: v0.6.0)
[INFO] [stderr]       Adding system-configuration-sys v0.5.0 (latest: v0.6.0)
[INFO] [stderr]       Adding tokio-rustls v0.24.1 (latest: v0.26.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding webpki-roots v0.25.4 (latest: v0.26.1)
[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] [stderr]       Adding winreg v0.50.0 (latest: v0.52.0)
[INFO] [stderr]       Adding zstd v0.12.4 (latest: v0.13.1)
[INFO] [stderr]       Adding zstd-safe v6.0.6 (latest: v7.1.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1d8eb1eaaa99252294fddb6f6030bf02d7422b0c7a5ff4b1e1d81d41250ae5f5
[INFO] running `Command { std: "docker" "start" "-a" "1d8eb1eaaa99252294fddb6f6030bf02d7422b0c7a5ff4b1e1d81d41250ae5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d8eb1eaaa99252294fddb6f6030bf02d7422b0c7a5ff4b1e1d81d41250ae5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d8eb1eaaa99252294fddb6f6030bf02d7422b0c7a5ff4b1e1d81d41250ae5f5", kill_on_drop: false }`
[INFO] [stdout] 1d8eb1eaaa99252294fddb6f6030bf02d7422b0c7a5ff4b1e1d81d41250ae5f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9b8c43a1052a20eb9036595fa62a05d11e46e07222959c85dbab07290870351c
[INFO] running `Command { std: "docker" "start" "-a" "9b8c43a1052a20eb9036595fa62a05d11e46e07222959c85dbab07290870351c", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]    Compiling zstd-safe v6.0.6
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking webpki-roots v0.25.4
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking directories v5.0.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling jobserver v0.1.28
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling zstd-sys v2.0.10+zstd.1.5.6
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking zstd v0.12.4
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking ibdl-common v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.93s
[INFO] running `Command { std: "docker" "inspect" "9b8c43a1052a20eb9036595fa62a05d11e46e07222959c85dbab07290870351c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b8c43a1052a20eb9036595fa62a05d11e46e07222959c85dbab07290870351c", kill_on_drop: false }`
[INFO] [stdout] 9b8c43a1052a20eb9036595fa62a05d11e46e07222959c85dbab07290870351c
[INFO] checking ibdl-common-1.4.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate ibdl-common 1.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate ibdl-common 1.4.0 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 ibdl-common 1.4.0
[INFO] finished tweaking crates.io crate ibdl-common 1.4.0
[INFO] tweaked toml for crates.io crate ibdl-common 1.4.0 written to /workspace/builds/worker-4-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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 911a732c4f182198134cd62e8053fdbd89b081f886eadaf33e79e09c4220ca34
[INFO] running `Command { std: "docker" "start" "-a" "911a732c4f182198134cd62e8053fdbd89b081f886eadaf33e79e09c4220ca34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "911a732c4f182198134cd62e8053fdbd89b081f886eadaf33e79e09c4220ca34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "911a732c4f182198134cd62e8053fdbd89b081f886eadaf33e79e09c4220ca34", kill_on_drop: false }`
[INFO] [stdout] 911a732c4f182198134cd62e8053fdbd89b081f886eadaf33e79e09c4220ca34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 14ade2f459bc70f5498101c41b82d91ca4e54adffe17a7efea011507a6bccb52
[INFO] running `Command { std: "docker" "start" "-a" "14ade2f459bc70f5498101c41b82d91ca4e54adffe17a7efea011507a6bccb52", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling zstd-safe v6.0.6
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking webpki-roots v0.25.4
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking directories v5.0.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling jobserver v0.1.28
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling zstd-sys v2.0.10+zstd.1.5.6
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking zstd v0.12.4
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking ibdl-common v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.96s
[INFO] running `Command { std: "docker" "inspect" "14ade2f459bc70f5498101c41b82d91ca4e54adffe17a7efea011507a6bccb52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ade2f459bc70f5498101c41b82d91ca4e54adffe17a7efea011507a6bccb52", kill_on_drop: false }`
[INFO] [stdout] 14ade2f459bc70f5498101c41b82d91ca4e54adffe17a7efea011507a6bccb52