[INFO] fetching crate tox 0.1.1...
[INFO] checking tox-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate tox 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate tox 0.1.1 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 tox 0.1.1
[INFO] finished tweaking crates.io crate tox 0.1.1
[INFO] tweaked toml for crates.io crate tox 0.1.1 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]     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]      Locking 91 packages
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding arrayvec v0.5.2 (latest: v0.7.4)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bytes v0.5.6 (latest: v1.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding ed25519 v1.5.3 (latest: v2.2.3)
[INFO] [stderr]       Adding hashbrown v0.11.2 (latest: v0.14.3)
[INFO] [stderr]       Adding itertools v0.9.0 (latest: v0.12.1)
[INFO] [stderr]       Adding lexical-core v0.7.6 (latest: v0.8.5)
[INFO] [stderr]       Adding lru v0.6.6 (latest: v0.12.3)
[INFO] [stderr]       Adding mio v0.6.23 (latest: v0.8.11)
[INFO] [stderr]       Adding miow v0.2.2 (latest: v0.6.0)
[INFO] [stderr]       Adding nom v5.1.3 (latest: v7.1.3)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding pin-project-lite v0.1.12 (latest: v0.2.14)
[INFO] [stderr]       Adding signature v1.6.4 (latest: v2.2.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding tokio v0.2.25 (latest: v1.37.0)
[INFO] [stderr]       Adding tokio-util v0.3.1 (latest: v0.7.10)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[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 tox_binary_io v0.1.1
[INFO] [stderr]   Downloaded tox_encryptsave v0.1.0
[INFO] [stderr]   Downloaded tox_packet v0.1.1
[INFO] [stderr]   Downloaded cookie-factory v0.3.3
[INFO] [stderr]   Downloaded tox_crypto v0.1.1
[INFO] [stderr]   Downloaded tox_core v0.1.1
[INFO] [stderr]   Downloaded sodiumoxide v0.2.7
[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] d32d886158daf045ec1c70e83b38a9d3fda70b6c3d58638c858bedb801275f51
[INFO] running `Command { std: "docker" "start" "-a" "d32d886158daf045ec1c70e83b38a9d3fda70b6c3d58638c858bedb801275f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d32d886158daf045ec1c70e83b38a9d3fda70b6c3d58638c858bedb801275f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d32d886158daf045ec1c70e83b38a9d3fda70b6c3d58638c858bedb801275f51", kill_on_drop: false }`
[INFO] [stdout] d32d886158daf045ec1c70e83b38a9d3fda70b6c3d58638c858bedb801275f51
[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] d9d8a064bd21e67eb27f87e72ddcec3e8d0dcf76bf3d46de8d04bc17b1c40a1a
[INFO] running `Command { std: "docker" "start" "-a" "d9d8a064bd21e67eb27f87e72ddcec3e8d0dcf76bf3d46de8d04bc17b1c40a1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling libsodium-sys v0.2.7
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking lru v0.6.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking cookie-factory v0.3.3
[INFO] [stderr]     Checking sodiumoxide v0.2.7
[INFO] [stderr]     Checking tox_crypto v0.1.1
[INFO] [stderr]     Checking tox_binary_io v0.1.1
[INFO] [stderr]     Checking tox_encryptsave v0.1.0
[INFO] [stderr]     Checking tox_packet v0.1.1
[INFO] [stderr]     Checking tox_core v0.1.1
[INFO] [stderr]     Checking tox v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "d9d8a064bd21e67eb27f87e72ddcec3e8d0dcf76bf3d46de8d04bc17b1c40a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9d8a064bd21e67eb27f87e72ddcec3e8d0dcf76bf3d46de8d04bc17b1c40a1a", kill_on_drop: false }`
[INFO] [stdout] d9d8a064bd21e67eb27f87e72ddcec3e8d0dcf76bf3d46de8d04bc17b1c40a1a