[INFO] fetching crate coreutils_module_core 0.4.0...
[INFO] checking coreutils_module_core-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate coreutils_module_core 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate coreutils_module_core 0.4.0 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 coreutils_module_core 0.4.0
[INFO] finished tweaking crates.io crate coreutils_module_core 0.4.0
[INFO] tweaked toml for crates.io crate coreutils_module_core 0.4.0 written to /workspace/builds/worker-7-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 81 packages
[INFO] [stderr]       Adding base64 v0.9.3 (latest: v0.22.0)
[INFO] [stderr]       Adding config v0.9.3 (latest: v0.14.0)
[INFO] [stderr]       Adding coreutils_json v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding coreutils_jwt v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding coreutils_logger v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding coreutils_module v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding fern v0.5.9 (latest: v0.6.2)
[INFO] [stderr]       Adding jsonwebtoken v5.0.1 (latest: v9.3.0)
[INFO] [stderr]       Adding lazy_static v0.2.11 (latest: v1.4.0)
[INFO] [stderr]       Adding linked-hash-map v0.3.0 (latest: v0.5.6)
[INFO] [stderr]       Adding nom v4.2.3 (latest: v7.1.3)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.18)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding ring v0.13.5 (latest: v0.17.8)
[INFO] [stderr]       Adding rust-ini v0.13.0 (latest: v0.21.0)
[INFO] [stderr]       Adding serde v0.8.23 (latest: v1.0.197)
[INFO] [stderr]       Adding serde-hjson v0.8.2 (latest: v0.9.1)
[INFO] [stderr]       Adding serde_test v0.8.23 (latest: v1.0.176)
[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 toml v0.4.10 (latest: v0.8.12)
[INFO] [stderr]       Adding untrusted v0.6.2 (latest: v0.9.0)
[INFO] [stderr]       Adding version_check v0.1.5 (latest: v0.9.4)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded coreutils_module v0.4.0
[INFO] [stderr]   Downloaded untrusted v0.6.2
[INFO] [stderr]   Downloaded version_check v0.1.5
[INFO] [stderr]   Downloaded serde_test v0.8.23
[INFO] [stderr]   Downloaded jsonwebtoken v5.0.1
[INFO] [stderr]   Downloaded serde-hjson v0.8.2
[INFO] [stderr]   Downloaded linked-hash-map v0.3.0
[INFO] [stderr]   Downloaded config v0.9.3
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] [stderr]   Downloaded fern v0.5.9
[INFO] [stderr]   Downloaded ring v0.13.5
[INFO] [stderr]   Downloaded coreutils_jwt v0.4.0
[INFO] [stderr]   Downloaded coreutils_logger v0.4.0
[INFO] [stderr]   Downloaded coreutils_json v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a1e16fdd3b6790861f861e55f7c3b82edfc671bbb2813f3da3ea39ff1ab70370
[INFO] running `Command { std: "docker" "start" "-a" "a1e16fdd3b6790861f861e55f7c3b82edfc671bbb2813f3da3ea39ff1ab70370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1e16fdd3b6790861f861e55f7c3b82edfc671bbb2813f3da3ea39ff1ab70370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1e16fdd3b6790861f861e55f7c3b82edfc671bbb2813f3da3ea39ff1ab70370", kill_on_drop: false }`
[INFO] [stdout] a1e16fdd3b6790861f861e55f7c3b82edfc671bbb2813f3da3ea39ff1ab70370
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6fd557b57f0baf7f70db2881bfe459b6314d8232e6a913779f60ac7ecb0af899
[INFO] running `Command { std: "docker" "start" "-a" "6fd557b57f0baf7f70db2881bfe459b6314d8232e6a913779f60ac7ecb0af899", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking coreutils_logger v0.4.0
[INFO] [stderr]     Checking coreutils_module v0.4.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]     Checking jsonwebtoken v5.0.1
[INFO] [stderr]     Checking coreutils_json v0.4.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking coreutils_jwt v0.4.0
[INFO] [stderr]     Checking coreutils_module_core v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "6fd557b57f0baf7f70db2881bfe459b6314d8232e6a913779f60ac7ecb0af899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd557b57f0baf7f70db2881bfe459b6314d8232e6a913779f60ac7ecb0af899", kill_on_drop: false }`
[INFO] [stdout] 6fd557b57f0baf7f70db2881bfe459b6314d8232e6a913779f60ac7ecb0af899