[INFO] fetching crate wxf-converter 0.3.2...
[INFO] checking wxf-converter-0.3.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate wxf-converter 0.3.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate wxf-converter 0.3.2 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 wxf-converter 0.3.2
[INFO] finished tweaking crates.io crate wxf-converter 0.3.2
[INFO] tweaked toml for crates.io crate wxf-converter 0.3.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate wxf-converter 0.3.2 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-pickle v1.1.0
[INFO] [stderr]   Downloaded json5 v0.4.1
[INFO] [stderr]   Downloaded integer-encoding v3.0.3
[INFO] [stderr]   Downloaded quote v1.0.17
[INFO] [stderr]   Downloaded iter-read v0.3.1
[INFO] [stderr]   Downloaded syn v1.0.89
[INFO] [stderr]   Downloaded wolfram_wxf v0.6.3
[INFO] [stderr]   Downloaded ndarray v0.15.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 994be1137fc6bbb70cc373d10c87abc23f6e19125023a78652c2f81fe554af66
[INFO] running `Command { std: "docker" "start" "-a" "994be1137fc6bbb70cc373d10c87abc23f6e19125023a78652c2f81fe554af66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "994be1137fc6bbb70cc373d10c87abc23f6e19125023a78652c2f81fe554af66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "994be1137fc6bbb70cc373d10c87abc23f6e19125023a78652c2f81fe554af66", kill_on_drop: false }`
[INFO] [stdout] 994be1137fc6bbb70cc373d10c87abc23f6e19125023a78652c2f81fe554af66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a93bcc1e81d3a44a364a3f406872aab629bf094047692bc427a40f399726c00d
[INFO] running `Command { std: "docker" "start" "-a" "a93bcc1e81d3a44a364a3f406872aab629bf094047692bc427a40f399726c00d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking iter-read v0.3.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking integer-encoding v3.0.3
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking ndarray v0.15.4
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde-pickle v1.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]     Checking json5 v0.4.1
[INFO] [stderr]     Checking wolfram_wxf v0.6.3
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking wxf-converter v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.09s
[INFO] running `Command { std: "docker" "inspect" "a93bcc1e81d3a44a364a3f406872aab629bf094047692bc427a40f399726c00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a93bcc1e81d3a44a364a3f406872aab629bf094047692bc427a40f399726c00d", kill_on_drop: false }`
[INFO] [stdout] a93bcc1e81d3a44a364a3f406872aab629bf094047692bc427a40f399726c00d