[INFO] cloning repository https://github.com/rutaihwa/05_images [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rutaihwa/05_images" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutaihwa%2F05_images", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutaihwa%2F05_images'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5a83054220655e47169c76632169470649519074 [INFO] checking rutaihwa/05_images against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutaihwa%2F05_images" "/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/rutaihwa/05_images 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/rutaihwa/05_images [INFO] finished tweaking git repo https://github.com/rutaihwa/05_images [INFO] tweaked toml for git repo https://github.com/rutaihwa/05_images written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/rutaihwa/05_images 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 smallvec v1.0.0 [INFO] [stderr] Downloaded unicode-normalization v0.1.11 [INFO] [stderr] Downloaded hyper-staticfile v0.3.1 [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] 4cbf6b6c2099ba35fc8fb163ec98c54aea7892d8f407a994fc3d3a71637d5cec [INFO] running `Command { std: "docker" "start" "-a" "4cbf6b6c2099ba35fc8fb163ec98c54aea7892d8f407a994fc3d3a71637d5cec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4cbf6b6c2099ba35fc8fb163ec98c54aea7892d8f407a994fc3d3a71637d5cec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cbf6b6c2099ba35fc8fb163ec98c54aea7892d8f407a994fc3d3a71637d5cec", kill_on_drop: false }` [INFO] [stdout] 4cbf6b6c2099ba35fc8fb163ec98c54aea7892d8f407a994fc3d3a71637d5cec [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] 2efb27dc55578dbf4b7bc3bd19e28c25b3d4a4ff6fe0bf40474554cdedfe0b76 [INFO] running `Command { std: "docker" "start" "-a" "2efb27dc55578dbf4b7bc3bd19e28c25b3d4a4ff6fe0bf40474554cdedfe0b76", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking http v0.1.19 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking smallvec v1.0.0 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking unicode-normalization v0.1.11 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Compiling hyper v0.12.35 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-sync v0.1.7 [INFO] [stderr] Checking tokio-threadpool v0.1.16 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking tokio-reactor v0.1.10 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-udp v0.1.5 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking hyper-staticfile v0.3.1 [INFO] [stderr] Checking image-service v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.09s [INFO] running `Command { std: "docker" "inspect" "2efb27dc55578dbf4b7bc3bd19e28c25b3d4a4ff6fe0bf40474554cdedfe0b76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2efb27dc55578dbf4b7bc3bd19e28c25b3d4a4ff6fe0bf40474554cdedfe0b76", kill_on_drop: false }` [INFO] [stdout] 2efb27dc55578dbf4b7bc3bd19e28c25b3d4a4ff6fe0bf40474554cdedfe0b76 [INFO] checking rutaihwa/05_images against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutaihwa%2F05_images" "/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/rutaihwa/05_images 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/rutaihwa/05_images [INFO] finished tweaking git repo https://github.com/rutaihwa/05_images [INFO] tweaked toml for git repo https://github.com/rutaihwa/05_images written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/rutaihwa/05_images 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] 4fda2ef5c319d060fd974f3e29662d23f35e16af67e46fdc1217462ddef934e4 [INFO] running `Command { std: "docker" "start" "-a" "4fda2ef5c319d060fd974f3e29662d23f35e16af67e46fdc1217462ddef934e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4fda2ef5c319d060fd974f3e29662d23f35e16af67e46fdc1217462ddef934e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fda2ef5c319d060fd974f3e29662d23f35e16af67e46fdc1217462ddef934e4", kill_on_drop: false }` [INFO] [stdout] 4fda2ef5c319d060fd974f3e29662d23f35e16af67e46fdc1217462ddef934e4 [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] e1711bd96dcc4a9c3ca8c9eff524f9ba75ef81103dcad5942f975e2b1c634d4a [INFO] running `Command { std: "docker" "start" "-a" "e1711bd96dcc4a9c3ca8c9eff524f9ba75ef81103dcad5942f975e2b1c634d4a", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking smallvec v1.0.0 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Checking http v0.1.19 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking unicode-normalization v0.1.11 [INFO] [stderr] Compiling hyper v0.12.35 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-sync v0.1.7 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking tokio-threadpool v0.1.16 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking tokio-reactor v0.1.10 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-udp v0.1.5 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking hyper-staticfile v0.3.1 [INFO] [stderr] Checking image-service v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.73s [INFO] running `Command { std: "docker" "inspect" "e1711bd96dcc4a9c3ca8c9eff524f9ba75ef81103dcad5942f975e2b1c634d4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1711bd96dcc4a9c3ca8c9eff524f9ba75ef81103dcad5942f975e2b1c634d4a", kill_on_drop: false }` [INFO] [stdout] e1711bd96dcc4a9c3ca8c9eff524f9ba75ef81103dcad5942f975e2b1c634d4a