[INFO] cloning repository https://github.com/metmirr/fetcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/metmirr/fetcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmetmirr%2Ffetcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmetmirr%2Ffetcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8373ca56431e40539c93bd04109bccc0455f5378
[INFO] checking metmirr/fetcher against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmetmirr%2Ffetcher" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/metmirr/fetcher 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/metmirr/fetcher
[INFO] finished tweaking git repo https://github.com/metmirr/fetcher
[INFO] tweaked toml for git repo https://github.com/metmirr/fetcher written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/metmirr/fetcher 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] warning: unused manifest key: package.author
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.76
[INFO] [stderr]   Downloaded security-framework v2.5.0
[INFO] [stderr]   Downloaded security-framework-sys v2.5.0
[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] 6b111d5269ffe86cd8f21396fd92c761031c3b777a44e7f23d0562427341d44a
[INFO] running `Command { std: "docker" "start" "-a" "6b111d5269ffe86cd8f21396fd92c761031c3b777a44e7f23d0562427341d44a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b111d5269ffe86cd8f21396fd92c761031c3b777a44e7f23d0562427341d44a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b111d5269ffe86cd8f21396fd92c761031c3b777a44e7f23d0562427341d44a", kill_on_drop: false }`
[INFO] [stdout] 6b111d5269ffe86cd8f21396fd92c761031c3b777a44e7f23d0562427341d44a
[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] ccdbf0ee971c92b54dfcacb81b4b30b99f2a280c65c449f81ed030439da563b2
[INFO] running `Command { std: "docker" "start" "-a" "ccdbf0ee971c92b54dfcacb81b4b30b99f2a280c65c449f81ed030439da563b2", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling serde v1.0.134
[INFO] [stderr]    Compiling serde_json v1.0.76
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking openssl-sys v0.9.72
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking openssl v0.10.38
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking native-tls v0.2.8
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.10
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.9
[INFO] [stderr]     Checking fetcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.28s
[INFO] running `Command { std: "docker" "inspect" "ccdbf0ee971c92b54dfcacb81b4b30b99f2a280c65c449f81ed030439da563b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccdbf0ee971c92b54dfcacb81b4b30b99f2a280c65c449f81ed030439da563b2", kill_on_drop: false }`
[INFO] [stdout] ccdbf0ee971c92b54dfcacb81b4b30b99f2a280c65c449f81ed030439da563b2