[INFO] cloning repository https://github.com/FenderLang/fender_example_plugin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FenderLang/fender_example_plugin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFenderLang%2Ffender_example_plugin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFenderLang%2Ffender_example_plugin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c7279cfd941f43914ab44b022d3da2c55ae6b20
[INFO] checking FenderLang/fender_example_plugin against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFenderLang%2Ffender_example_plugin" "/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/FenderLang/fender_example_plugin 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/FenderLang/fender_example_plugin
[INFO] finished tweaking git repo https://github.com/FenderLang/fender_example_plugin
[INFO] tweaked toml for git repo https://github.com/FenderLang/fender_example_plugin written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/FenderLang/fender_example_plugin 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 git repository `https://github.com/FenderLang/Fender`
[INFO] [stderr]     Updating git repository `https://github.com/FenderLang/Flux`
[INFO] [stderr]     Updating git repository `https://github.com/FenderLang/Freight`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libloading v0.8.0
[INFO] [stderr]   Downloaded bumpalo v3.12.1
[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] 317caba4b35dae1302a41871d9f81e0a0a1920f6e51a8f84f55b5c07d0ef5305
[INFO] running `Command { std: "docker" "start" "-a" "317caba4b35dae1302a41871d9f81e0a0a1920f6e51a8f84f55b5c07d0ef5305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "317caba4b35dae1302a41871d9f81e0a0a1920f6e51a8f84f55b5c07d0ef5305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "317caba4b35dae1302a41871d9f81e0a0a1920f6e51a8f84f55b5c07d0ef5305", kill_on_drop: false }`
[INFO] [stdout] 317caba4b35dae1302a41871d9f81e0a0a1920f6e51a8f84f55b5c07d0ef5305
[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] 475a66bd4d760f1fbac144b70d965ccdf57e4fca650ce544ff2981f6dff4eea4
[INFO] running `Command { std: "docker" "start" "-a" "475a66bd4d760f1fbac144b70d965ccdf57e4fca650ce544ff2981f6dff4eea4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]     Checking bumpalo v3.12.1
[INFO] [stderr]     Checking freight_vm v0.1.0 (https://github.com/FenderLang/Freight?rev=a06053e83b736f08621a7eb66840577edaefc021#a06053e8)
[INFO] [stderr]     Checking libloading v0.8.0
[INFO] [stderr]     Checking flux_bnf v0.1.0 (https://github.com/FenderLang/Flux?rev=0b7b25e36313e76f0aa43d5f61b2f07a99322a72#0b7b25e3)
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking fender v0.1.0 (https://github.com/FenderLang/Fender?rev=c268abae87f48c229de23b991d594e33e6d98b85#c268abae)
[INFO] [stderr]     Checking example_plugin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.98s
[INFO] running `Command { std: "docker" "inspect" "475a66bd4d760f1fbac144b70d965ccdf57e4fca650ce544ff2981f6dff4eea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475a66bd4d760f1fbac144b70d965ccdf57e4fca650ce544ff2981f6dff4eea4", kill_on_drop: false }`
[INFO] [stdout] 475a66bd4d760f1fbac144b70d965ccdf57e4fca650ce544ff2981f6dff4eea4
[INFO] checking FenderLang/fender_example_plugin against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFenderLang%2Ffender_example_plugin" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FenderLang/fender_example_plugin on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FenderLang/fender_example_plugin
[INFO] finished tweaking git repo https://github.com/FenderLang/fender_example_plugin
[INFO] tweaked toml for git repo https://github.com/FenderLang/fender_example_plugin written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/FenderLang/fender_example_plugin 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee1a59262cb650358659783b3a0fd7860b0cf661f502593e8e7928a318087ee8
[INFO] running `Command { std: "docker" "start" "-a" "ee1a59262cb650358659783b3a0fd7860b0cf661f502593e8e7928a318087ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee1a59262cb650358659783b3a0fd7860b0cf661f502593e8e7928a318087ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee1a59262cb650358659783b3a0fd7860b0cf661f502593e8e7928a318087ee8", kill_on_drop: false }`
[INFO] [stdout] ee1a59262cb650358659783b3a0fd7860b0cf661f502593e8e7928a318087ee8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cef8b044dae5f29255c6682a5b1cbe94eaf49b330f0ec7ddc00e2aec7557713
[INFO] running `Command { std: "docker" "start" "-a" "9cef8b044dae5f29255c6682a5b1cbe94eaf49b330f0ec7ddc00e2aec7557713", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]     Checking bumpalo v3.12.1
[INFO] [stderr]     Checking freight_vm v0.1.0 (https://github.com/FenderLang/Freight?rev=a06053e83b736f08621a7eb66840577edaefc021#a06053e8)
[INFO] [stderr]     Checking libloading v0.8.0
[INFO] [stderr]     Checking flux_bnf v0.1.0 (https://github.com/FenderLang/Flux?rev=0b7b25e36313e76f0aa43d5f61b2f07a99322a72#0b7b25e3)
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking fender v0.1.0 (https://github.com/FenderLang/Fender?rev=c268abae87f48c229de23b991d594e33e6d98b85#c268abae)
[INFO] [stderr]     Checking example_plugin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "9cef8b044dae5f29255c6682a5b1cbe94eaf49b330f0ec7ddc00e2aec7557713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cef8b044dae5f29255c6682a5b1cbe94eaf49b330f0ec7ddc00e2aec7557713", kill_on_drop: false }`
[INFO] [stdout] 9cef8b044dae5f29255c6682a5b1cbe94eaf49b330f0ec7ddc00e2aec7557713