[INFO] fetching crate qmat 0.5.1...
[INFO] checking qmat-0.5.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate qmat 0.5.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate qmat 0.5.1 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 qmat 0.5.1
[INFO] finished tweaking crates.io crate qmat 0.5.1
[INFO] tweaked toml for crates.io crate qmat 0.5.1 written to /workspace/builds/worker-5-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 68 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding criterion v0.3.6 (latest: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (latest: v0.5.0)
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d5c544e0e345a80a5197f6534593ea0b815aa3681f52aad0a162ef2b7f12ee0b
[INFO] running `Command { std: "docker" "start" "-a" "d5c544e0e345a80a5197f6534593ea0b815aa3681f52aad0a162ef2b7f12ee0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5c544e0e345a80a5197f6534593ea0b815aa3681f52aad0a162ef2b7f12ee0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c544e0e345a80a5197f6534593ea0b815aa3681f52aad0a162ef2b7f12ee0b", kill_on_drop: false }`
[INFO] [stdout] d5c544e0e345a80a5197f6534593ea0b815aa3681f52aad0a162ef2b7f12ee0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 47b15933ecddd5fae0ab5ffc00168c34671b7554fcbea083f67c50cb3e264ce2
[INFO] running `Command { std: "docker" "start" "-a" "47b15933ecddd5fae0ab5ffc00168c34671b7554fcbea083f67c50cb3e264ce2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking qmat v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.70s
[INFO] running `Command { std: "docker" "inspect" "47b15933ecddd5fae0ab5ffc00168c34671b7554fcbea083f67c50cb3e264ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47b15933ecddd5fae0ab5ffc00168c34671b7554fcbea083f67c50cb3e264ce2", kill_on_drop: false }`
[INFO] [stdout] 47b15933ecddd5fae0ab5ffc00168c34671b7554fcbea083f67c50cb3e264ce2