[INFO] cloning repository https://github.com/chriswolfram/ecosystem_dimension_reduction
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chriswolfram/ecosystem_dimension_reduction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchriswolfram%2Fecosystem_dimension_reduction", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchriswolfram%2Fecosystem_dimension_reduction'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9876ffe270ad1651b8370d270c02e6f527b6517c
[INFO] checking chriswolfram/ecosystem_dimension_reduction against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchriswolfram%2Fecosystem_dimension_reduction" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chriswolfram/ecosystem_dimension_reduction 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 git repo https://github.com/chriswolfram/ecosystem_dimension_reduction
[INFO] finished tweaking git repo https://github.com/chriswolfram/ecosystem_dimension_reduction
[INFO] tweaked toml for git repo https://github.com/chriswolfram/ecosystem_dimension_reduction written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/chriswolfram/ecosystem_dimension_reduction 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]  Downloading crates ...
[INFO] [stderr]   Downloaded portable-atomic v0.3.19
[INFO] [stderr]   Downloaded time-core v0.1.0
[INFO] [stderr]   Downloaded zip v0.6.4
[INFO] [stderr]   Downloaded console v0.15.5
[INFO] [stderr]   Downloaded serde v1.0.154
[INFO] [stderr]   Downloaded indicatif v0.17.3
[INFO] [stderr]   Downloaded time v0.3.20
[INFO] [stderr]   Downloaded kiddo v0.2.5
[INFO] [stderr]   Downloaded csv v1.2.1
[INFO] [stderr]   Downloaded zstd-sys v2.0.7+zstd.1.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ea728db0be4dd94374ba8903b38d4b55fe2e8feec4d1bfe1545b3a69825a54cd
[INFO] running `Command { std: "docker" "start" "-a" "ea728db0be4dd94374ba8903b38d4b55fe2e8feec4d1bfe1545b3a69825a54cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea728db0be4dd94374ba8903b38d4b55fe2e8feec4d1bfe1545b3a69825a54cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea728db0be4dd94374ba8903b38d4b55fe2e8feec4d1bfe1545b3a69825a54cd", kill_on_drop: false }`
[INFO] [stdout] ea728db0be4dd94374ba8903b38d4b55fe2e8feec4d1bfe1545b3a69825a54cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8f65890fc27bcbd5f913e462a80f4e20df4d19bdb4e5ab0f17e9175e4895e79b
[INFO] running `Command { std: "docker" "start" "-a" "8f65890fc27bcbd5f913e462a80f4e20df4d19bdb4e5ab0f17e9175e4895e79b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling serde v1.0.154
[INFO] [stderr]    Compiling portable-atomic v0.3.19
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking time v0.3.20
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]     Checking console v0.15.5
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking kiddo v0.2.5
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking indicatif v0.17.3
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]    Compiling zstd-sys v2.0.7+zstd.1.5.4
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking csv v1.2.1
[INFO] [stderr]     Checking zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]     Checking zip v0.6.4
[INFO] [stderr]     Checking ecosystem_dimension_reduction v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.74s
[INFO] running `Command { std: "docker" "inspect" "8f65890fc27bcbd5f913e462a80f4e20df4d19bdb4e5ab0f17e9175e4895e79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f65890fc27bcbd5f913e462a80f4e20df4d19bdb4e5ab0f17e9175e4895e79b", kill_on_drop: false }`
[INFO] [stdout] 8f65890fc27bcbd5f913e462a80f4e20df4d19bdb4e5ab0f17e9175e4895e79b