[INFO] cloning repository https://github.com/notgull/seagulldoro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/notgull/seagulldoro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotgull%2Fseagulldoro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotgull%2Fseagulldoro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6b01f285f7852ed9402a80b64062cebea5d3ca3
[INFO] checking notgull/seagulldoro against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotgull%2Fseagulldoro" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/notgull/seagulldoro on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/notgull/seagulldoro
[INFO] finished tweaking git repo https://github.com/notgull/seagulldoro
[INFO] tweaked toml for git repo https://github.com/notgull/seagulldoro written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/notgull/seagulldoro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fetch_unroll v0.2.2
[INFO] [stderr]   Downloaded clang-sys v1.0.3
[INFO] [stderr]   Downloaded libflate v1.0.3
[INFO] [stderr]   Downloaded qstring v0.7.2
[INFO] [stderr]   Downloaded cpal v0.13.1
[INFO] [stderr]   Downloaded oboe v0.3.1
[INFO] [stderr]   Downloaded oboe-sys v0.3.0
[INFO] [stderr]   Downloaded cty v0.2.1
[INFO] [stderr]   Downloaded ureq v1.5.4
[INFO] [stderr]   Downloaded derivative v2.1.3
[INFO] [stderr]   Downloaded libflate_lz77 v1.0.0
[INFO] [stderr]   Downloaded jni v0.17.0
[INFO] [stderr]   Downloaded standback v0.2.14
[INFO] [stderr]   Downloaded alsa v0.4.3
[INFO] [stderr]   Downloaded filetime v0.2.13
[INFO] [stderr]   Downloaded tar v0.4.30
[INFO] [stderr]   Downloaded chunked_transfer v1.3.0
[INFO] [stderr]   Downloaded time v0.2.24
[INFO] [stderr]   Downloaded backtrace v0.3.55
[INFO] [stderr]   Downloaded cookie_store v0.12.0
[INFO] [stderr]   Downloaded easy-parallel v3.1.0
[INFO] [stderr]   Downloaded breadx v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] 0d039e3d63ea199f77331677a1e92335fccbd6835bc1d69ba0ca0b0798adb9c9
[INFO] running `Command { std: "docker" "start" "-a" "0d039e3d63ea199f77331677a1e92335fccbd6835bc1d69ba0ca0b0798adb9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d039e3d63ea199f77331677a1e92335fccbd6835bc1d69ba0ca0b0798adb9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d039e3d63ea199f77331677a1e92335fccbd6835bc1d69ba0ca0b0798adb9c9", kill_on_drop: false }`
[INFO] [stdout] 0d039e3d63ea199f77331677a1e92335fccbd6835bc1d69ba0ca0b0798adb9c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a18d4388cca4370055646e8484c15ca08a2442328d5dbcd08b45b83533bf7b1
[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" "7a18d4388cca4370055646e8484c15ca08a2442328d5dbcd08b45b83533bf7b1", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]    Compiling cpal v0.13.1
[INFO] [stderr]     Checking ref_slice v1.2.0
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]     Checking easy-parallel v3.1.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking log v0.4.13
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking async-net v1.5.0
[INFO] [stderr]     Checking async-process v1.0.1
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]     Checking alsa v0.4.3
[INFO] [stderr]     Checking breadx v0.2.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking seagulldoro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "7a18d4388cca4370055646e8484c15ca08a2442328d5dbcd08b45b83533bf7b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a18d4388cca4370055646e8484c15ca08a2442328d5dbcd08b45b83533bf7b1", kill_on_drop: false }`
[INFO] [stdout] 7a18d4388cca4370055646e8484c15ca08a2442328d5dbcd08b45b83533bf7b1