[INFO] cloning repository https://github.com/jdm/ws-testcase
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jdm/ws-testcase" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdm%2Fws-testcase", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdm%2Fws-testcase'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9352c658474a30ce2e7114ce6624c2b8094fcdbd
[INFO] checking jdm/ws-testcase against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdm%2Fws-testcase" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jdm/ws-testcase 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/jdm/ws-testcase
[INFO] finished tweaking git repo https://github.com/jdm/ws-testcase
[INFO] tweaked toml for git repo https://github.com/jdm/ws-testcase written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jdm/ws-testcase 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]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v2.1.0
[INFO] [stderr]   Downloaded log v0.4.5
[INFO] [stderr]   Downloaded url v1.7.1
[INFO] [stderr]   Downloaded hyper v0.10.15
[INFO] [stderr]   Downloaded unicode-normalization v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fddb4424f18ea63bd72bf75b9072fec5acd4cf68a7b8636f3a29ccbd4e8a040e
[INFO] running `Command { std: "docker" "start" "-a" "fddb4424f18ea63bd72bf75b9072fec5acd4cf68a7b8636f3a29ccbd4e8a040e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fddb4424f18ea63bd72bf75b9072fec5acd4cf68a7b8636f3a29ccbd4e8a040e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fddb4424f18ea63bd72bf75b9072fec5acd4cf68a7b8636f3a29ccbd4e8a040e", kill_on_drop: false }`
[INFO] [stdout] fddb4424f18ea63bd72bf75b9072fec5acd4cf68a7b8636f3a29ccbd4e8a040e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4e30b6396c70054e27aa956136ddfd6fa83ab85d7dd9dc6ec27718fd88dba421
[INFO] running `Command { std: "docker" "start" "-a" "4e30b6396c70054e27aa956136ddfd6fa83ab85d7dd9dc6ec27718fd88dba421", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking wstest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "4e30b6396c70054e27aa956136ddfd6fa83ab85d7dd9dc6ec27718fd88dba421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e30b6396c70054e27aa956136ddfd6fa83ab85d7dd9dc6ec27718fd88dba421", kill_on_drop: false }`
[INFO] [stdout] 4e30b6396c70054e27aa956136ddfd6fa83ab85d7dd9dc6ec27718fd88dba421