[INFO] cloning repository https://github.com/rukai/flashcards
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rukai/flashcards" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frukai%2Fflashcards", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frukai%2Fflashcards'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70e920c00c1e561067f07818576698bb32a43d33
[INFO] checking rukai/flashcards against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frukai%2Fflashcards" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rukai/flashcards on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/rukai/flashcards
[INFO] finished tweaking git repo https://github.com/rukai/flashcards
[INFO] tweaked toml for git repo https://github.com/rukai/flashcards written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/rukai/flashcards already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-if v0.1.3
[INFO] [stderr]   Downloaded serde v1.0.66
[INFO] [stderr]   Downloaded log v0.4.2
[INFO] [stderr]   Downloaded thread_local v0.3.5
[INFO] [stderr]   Downloaded ucd-util v0.1.1
[INFO] [stderr]   Downloaded pest v0.3.3
[INFO] [stderr]   Downloaded aho-corasick v0.6.4
[INFO] [stderr]   Downloaded handlebars v0.28.3
[INFO] [stderr]   Downloaded smallvec v0.6.2
[INFO] [stderr]   Downloaded memchr v2.0.1
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded pear v0.0.17
[INFO] [stderr]   Downloaded base64 v0.6.0
[INFO] [stderr]   Downloaded isatty v0.1.8
[INFO] [stderr]   Downloaded crossbeam-deque v0.2.0
[INFO] [stderr]   Downloaded rayon-core v1.4.0
[INFO] [stderr]   Downloaded pear_codegen v0.0.17
[INFO] [stderr]   Downloaded bitflags v1.0.3
[INFO] [stderr]   Downloaded url v1.7.0
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] [stderr]   Downloaded toml v0.4.6
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded idna v0.1.4
[INFO] [stderr]   Downloaded quote v0.6.3
[INFO] [stderr]   Downloaded syn v0.14.2
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded libc v0.2.42
[INFO] [stderr]   Downloaded unicode-normalization v0.1.7
[INFO] [stderr]   Downloaded serde_derive v1.0.66
[INFO] [stderr]   Downloaded matches v0.1.6
[INFO] [stderr]   Downloaded proc-macro2 v0.4.6
[INFO] [stderr]   Downloaded dtoa v0.4.2
[INFO] [stderr]   Downloaded itoa v0.4.1
[INFO] [stderr]   Downloaded base64 v0.9.2
[INFO] [stderr]   Downloaded serde_json v1.0.21
[INFO] [stderr]   Downloaded rayon v0.7.1
[INFO] [stderr]   Downloaded utf8-ranges v1.0.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.3.1
[INFO] [stderr]   Downloaded byteorder v1.2.3
[INFO] [stderr]   Downloaded hyper v0.10.13
[INFO] [stderr]   Downloaded lazy_static v1.0.1
[INFO] [stderr]   Downloaded untrusted v0.5.1
[INFO] [stderr]   Downloaded gcc v0.3.54
[INFO] [stderr]   Downloaded rocket_contrib v0.3.13
[INFO] [stderr]   Downloaded ring v0.11.0
[INFO] [stderr]   Downloaded rocket_codegen v0.3.13
[INFO] [stderr]   Downloaded cookie v0.9.2
[INFO] [stderr]   Downloaded ordermap v0.2.13
[INFO] [stderr]   Downloaded rocket v0.3.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 80112dd47b77aef62cd7db3d496b94ec45466eeddd01735bf73b19df81efd625
[INFO] running `Command { std: "docker" "start" "-a" "80112dd47b77aef62cd7db3d496b94ec45466eeddd01735bf73b19df81efd625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80112dd47b77aef62cd7db3d496b94ec45466eeddd01735bf73b19df81efd625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80112dd47b77aef62cd7db3d496b94ec45466eeddd01735bf73b19df81efd625", kill_on_drop: false }`
[INFO] [stdout] 80112dd47b77aef62cd7db3d496b94ec45466eeddd01735bf73b19df81efd625
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d471f7201b0afc045e3b8b48d577f88ab71ad4340c4d53faaddcc5a8325c948
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7d471f7201b0afc045e3b8b48d577f88ab71ad4340c4d53faaddcc5a8325c948", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "7d471f7201b0afc045e3b8b48d577f88ab71ad4340c4d53faaddcc5a8325c948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d471f7201b0afc045e3b8b48d577f88ab71ad4340c4d53faaddcc5a8325c948", kill_on_drop: false }`
[INFO] [stdout] 7d471f7201b0afc045e3b8b48d577f88ab71ad4340c4d53faaddcc5a8325c948