[INFO] fetching crate ws2 0.2.4...
[INFO] checking ws2-0.2.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ws2 0.2.4 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ws2 0.2.4 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 ws2 0.2.4
[INFO] finished tweaking crates.io crate ws2 0.2.4
[INFO] tweaked toml for crates.io crate ws2 0.2.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate ws2 0.2.4 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ws v0.9.2
[INFO] [stderr]   Downloaded iana-time-zone v0.1.58
[INFO] [stderr]   Downloaded poll-channel v0.1.9
[INFO] [stderr]   Downloaded log2 v0.1.10
[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] 0dd2b063972adb8ad4b8ca8da1919f22eae98c896b7a80f5819ddc4e12811d58
[INFO] running `Command { std: "docker" "start" "-a" "0dd2b063972adb8ad4b8ca8da1919f22eae98c896b7a80f5819ddc4e12811d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dd2b063972adb8ad4b8ca8da1919f22eae98c896b7a80f5819ddc4e12811d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dd2b063972adb8ad4b8ca8da1919f22eae98c896b7a80f5819ddc4e12811d58", kill_on_drop: false }`
[INFO] [stdout] 0dd2b063972adb8ad4b8ca8da1919f22eae98c896b7a80f5819ddc4e12811d58
[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] c0051259f844062639d42dde3db682fd92baab216d03eb2f76e4d3c29543556f
[INFO] running `Command { std: "docker" "start" "-a" "c0051259f844062639d42dde3db682fd92baab216d03eb2f76e4d3c29543556f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rustix v0.38.25
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling openssl v0.10.59
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking poll-channel v0.1.9
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]    Compiling openssl-sys v0.9.95
[INFO] [stderr]     Checking log2 v0.1.10
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking ws v0.9.2
[INFO] [stderr]     Checking ws2 v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.05s
[INFO] running `Command { std: "docker" "inspect" "c0051259f844062639d42dde3db682fd92baab216d03eb2f76e4d3c29543556f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0051259f844062639d42dde3db682fd92baab216d03eb2f76e4d3c29543556f", kill_on_drop: false }`
[INFO] [stdout] c0051259f844062639d42dde3db682fd92baab216d03eb2f76e4d3c29543556f
[INFO] checking ws2-0.2.4 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate ws2 0.2.4 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate ws2 0.2.4 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 ws2 0.2.4
[INFO] finished tweaking crates.io crate ws2 0.2.4
[INFO] tweaked toml for crates.io crate ws2 0.2.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate ws2 0.2.4 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-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] a6372221c73137fd7dcd18f0b9da176f3f9e6895867ea47f56f867caaa1b224f
[INFO] running `Command { std: "docker" "start" "-a" "a6372221c73137fd7dcd18f0b9da176f3f9e6895867ea47f56f867caaa1b224f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6372221c73137fd7dcd18f0b9da176f3f9e6895867ea47f56f867caaa1b224f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6372221c73137fd7dcd18f0b9da176f3f9e6895867ea47f56f867caaa1b224f", kill_on_drop: false }`
[INFO] [stdout] a6372221c73137fd7dcd18f0b9da176f3f9e6895867ea47f56f867caaa1b224f
[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] 11c3404b7c803563ae8e434e4b04ad68dca7e9b3cf843f0f7de927db3eb27747
[INFO] running `Command { std: "docker" "start" "-a" "11c3404b7c803563ae8e434e4b04ad68dca7e9b3cf843f0f7de927db3eb27747", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rustix v0.38.25
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]    Compiling openssl v0.10.59
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking poll-channel v0.1.9
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking log2 v0.1.10
[INFO] [stderr]    Compiling openssl-sys v0.9.95
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking ws v0.9.2
[INFO] [stderr]     Checking ws2 v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.16s
[INFO] running `Command { std: "docker" "inspect" "11c3404b7c803563ae8e434e4b04ad68dca7e9b3cf843f0f7de927db3eb27747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11c3404b7c803563ae8e434e4b04ad68dca7e9b3cf843f0f7de927db3eb27747", kill_on_drop: false }`
[INFO] [stdout] 11c3404b7c803563ae8e434e4b04ad68dca7e9b3cf843f0f7de927db3eb27747