[INFO] cloning repository https://github.com/TriedAngle/ferris
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TriedAngle/ferris" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTriedAngle%2Fferris", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTriedAngle%2Fferris'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd7c0591c734fc5dd83a2d40b61d7f257f024308
[INFO] checking TriedAngle/ferris against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTriedAngle%2Fferris" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TriedAngle/ferris on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TriedAngle/ferris
[INFO] finished tweaking git repo https://github.com/TriedAngle/ferris
[INFO] tweaked toml for git repo https://github.com/TriedAngle/ferris written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/TriedAngle/ferris already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded audiopus v0.1.3
[INFO] [stderr]   Downloaded cc v1.0.55
[INFO] [stderr]   Downloaded audiopus_sys v0.1.7
[INFO] [stderr]   Downloaded libsodium-sys v0.2.6
[INFO] [stderr]   Downloaded meval v0.2.0
[INFO] [stderr]   Downloaded sodiumoxide v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d215b211874c6a892b135f7449afeed7238d7cf54a6d10e9d8101485f0368c04
[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" "d215b211874c6a892b135f7449afeed7238d7cf54a6d10e9d8101485f0368c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d215b211874c6a892b135f7449afeed7238d7cf54a6d10e9d8101485f0368c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d215b211874c6a892b135f7449afeed7238d7cf54a6d10e9d8101485f0368c04", kill_on_drop: false }`
[INFO] [stdout] d215b211874c6a892b135f7449afeed7238d7cf54a6d10e9d8101485f0368c04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ae7fdea9320dd6b21cd51e4d807b3087ab3f7c4c9ad8a59a781dd57c6dbc9a4
[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" "9ae7fdea9320dd6b21cd51e4d807b3087ab3f7c4c9ad8a59a781dd57c6dbc9a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.55
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling serenity v0.8.6
[INFO] [stderr]     Checking uwl v0.6.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking meval v0.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling command_attr v0.2.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling audiopus_sys v0.1.7
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking audiopus v0.1.3
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking hyper-rustls v0.20.0
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]     Checking sodiumoxide v0.2.6
[INFO] [stderr]     Checking ferris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 23s
[INFO] running `Command { std: "docker" "inspect" "9ae7fdea9320dd6b21cd51e4d807b3087ab3f7c4c9ad8a59a781dd57c6dbc9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ae7fdea9320dd6b21cd51e4d807b3087ab3f7c4c9ad8a59a781dd57c6dbc9a4", kill_on_drop: false }`
[INFO] [stdout] 9ae7fdea9320dd6b21cd51e4d807b3087ab3f7c4c9ad8a59a781dd57c6dbc9a4