[INFO] fetching crate mosquito 0.1.2...
[INFO] checking mosquito-0.1.2 against master#899eb03926be23f2e5d2ffcaa1d6f9ac40af7f13 for pr-127827-3
[INFO] extracting crate mosquito 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate mosquito 0.1.2 on toolchain 899eb03926be23f2e5d2ffcaa1d6f9ac40af7f13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+899eb03926be23f2e5d2ffcaa1d6f9ac40af7f13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mosquito 0.1.2
[INFO] finished tweaking crates.io crate mosquito 0.1.2
[INFO] tweaked toml for crates.io crate mosquito 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate mosquito 0.1.2 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" "+899eb03926be23f2e5d2ffcaa1d6f9ac40af7f13" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.11
[INFO] [stderr]   Downloaded try-lock v0.2.4
[INFO] [stderr]   Downloaded tower-service v0.3.2
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.3
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded tokio-macros v0.2.6
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded bitflags v1.3.2
[INFO] [stderr]   Downloaded hermit-abi v0.1.19
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded futures-task v0.3.28
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded tokio-util v0.3.1
[INFO] [stderr]   Downloaded ansi_term v0.12.1
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded bytes v1.4.0
[INFO] [stderr]   Downloaded tracing v0.1.37
[INFO] [stderr]   Downloaded hashbrown v0.12.3
[INFO] [stderr]   Downloaded hyper v0.13.10
[INFO] [stderr]   Downloaded futures-util v0.3.28
[INFO] [stderr]   Downloaded h2 v0.2.7
[INFO] [stderr]   Downloaded serde_json v1.0.96
[INFO] [stderr]   Downloaded clap v2.34.0
[INFO] [stderr]   Downloaded http v0.2.9
[INFO] [stderr]   Downloaded syn v1.0.109
[INFO] [stderr]   Downloaded mio v0.6.23
[INFO] [stderr]   Downloaded syn v2.0.28
[INFO] [stderr]   Downloaded serde v1.0.160
[INFO] [stderr]   Downloaded bytes v0.5.6
[INFO] [stderr]   Downloaded memchr v2.5.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.66
[INFO] [stderr]   Downloaded indexmap v1.9.3
[INFO] [stderr]   Downloaded pin-project-internal v1.1.2
[INFO] [stderr]   Downloaded pin-project v1.1.2
[INFO] [stderr]   Downloaded tracing-core v0.1.31
[INFO] [stderr]   Downloaded tokio v0.2.25
[INFO] [stderr]   Downloaded futures-channel v0.3.28
[INFO] [stderr]   Downloaded socket2 v0.3.19
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded httparse v1.8.0
[INFO] [stderr]   Downloaded once_cell v1.18.0
[INFO] [stderr]   Downloaded ryu v1.0.13
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.3
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded pin-utils v0.1.0
[INFO] [stderr]   Downloaded tracing-futures v0.2.5
[INFO] [stderr]   Downloaded httpdate v0.3.2
[INFO] [stderr]   Downloaded libc v0.2.147
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded pin-project-lite v0.2.10
[INFO] [stderr]   Downloaded itoa v1.0.6
[INFO] [stderr]   Downloaded futures-core v0.3.28
[INFO] [stderr]   Downloaded miow v0.3.7
[INFO] [stderr]   Downloaded mio-named-pipes v0.1.7
[INFO] [stderr]   Downloaded log v0.4.19
[INFO] [stderr]   Downloaded miow v0.2.2
[INFO] [stderr]   Downloaded mio-uds v0.6.8
[INFO] [stderr]   Downloaded num_cpus v1.16.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.1
[INFO] [stderr]   Downloaded quote v1.0.32
[INFO] [stderr]   Downloaded unicode-width v0.1.10
[INFO] [stderr]   Downloaded futures-sink v0.3.28
[INFO] [stderr]   Downloaded http-body v0.3.1
[INFO] [stderr]   Downloaded itoa v0.4.8
[INFO] [stderr]   Downloaded want v0.3.1
[INFO] [stderr]   Downloaded fnv v1.0.7
[INFO] [stderr]   Downloaded iovec v0.1.4
[INFO] [stderr]   Downloaded net2 v0.2.39
[INFO] [stderr]   Downloaded hermit-abi v0.3.2
[INFO] [stderr]   Downloaded autocfg v1.1.0
[INFO] [stderr]   Downloaded slab v0.4.8
[INFO] [stderr]   Downloaded ws2_32-sys v0.2.1
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded pin-project-lite v0.1.12
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+899eb03926be23f2e5d2ffcaa1d6f9ac40af7f13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90a7f174c241f92cb76c6a26578f013cb1dd9fb415ccf9adcadae895070eca84
[INFO] running `Command { std: "docker" "start" "-a" "90a7f174c241f92cb76c6a26578f013cb1dd9fb415ccf9adcadae895070eca84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90a7f174c241f92cb76c6a26578f013cb1dd9fb415ccf9adcadae895070eca84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a7f174c241f92cb76c6a26578f013cb1dd9fb415ccf9adcadae895070eca84", kill_on_drop: false }`
[INFO] [stdout] 90a7f174c241f92cb76c6a26578f013cb1dd9fb415ccf9adcadae895070eca84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+899eb03926be23f2e5d2ffcaa1d6f9ac40af7f13" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1227edeaf24e28306be63b28ebc3bb01c753d7b3c96bb5752676fab6559fce7f
[INFO] running `Command { std: "docker" "start" "-a" "1227edeaf24e28306be63b28ebc3bb01c753d7b3c96bb5752676fab6559fce7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling pin-project-internal v1.1.2
[INFO] [stderr]     Checking pin-project v1.1.2
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking mosquito v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.51s
[INFO] running `Command { std: "docker" "inspect" "1227edeaf24e28306be63b28ebc3bb01c753d7b3c96bb5752676fab6559fce7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1227edeaf24e28306be63b28ebc3bb01c753d7b3c96bb5752676fab6559fce7f", kill_on_drop: false }`
[INFO] [stdout] 1227edeaf24e28306be63b28ebc3bb01c753d7b3c96bb5752676fab6559fce7f