[INFO] cloning repository https://github.com/matrix-org/matrix-ircd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matrix-org/matrix-ircd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatrix-org%2Fmatrix-ircd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatrix-org%2Fmatrix-ircd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 858d0e81a5e06aeb409c322ea61169b7a69e3dca
[INFO] checking matrix-org/matrix-ircd against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatrix-org%2Fmatrix-ircd" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matrix-org/matrix-ircd on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matrix-org/matrix-ircd
[INFO] finished tweaking git repo https://github.com/matrix-org/matrix-ircd
[INFO] tweaked toml for git repo https://github.com/matrix-org/matrix-ircd written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/matrix-org/matrix-ircd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95ab3a8673b4bad2cb32da31890a6819ed637265629f9f1ab414f35e5272c8d4
[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" "95ab3a8673b4bad2cb32da31890a6819ed637265629f9f1ab414f35e5272c8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95ab3a8673b4bad2cb32da31890a6819ed637265629f9f1ab414f35e5272c8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ab3a8673b4bad2cb32da31890a6819ed637265629f9f1ab414f35e5272c8d4", kill_on_drop: false }`
[INFO] [stdout] 95ab3a8673b4bad2cb32da31890a6819ed637265629f9f1ab414f35e5272c8d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1f1035638c720539a4f1566ab0eef000f0667c4233b3469bc0a9bb951096c34
[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" "d1f1035638c720539a4f1566ab0eef000f0667c4233b3469bc0a9bb951096c34", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.55
[INFO] [stderr]     Checking netbuf v0.4.1
[INFO] [stderr]     Checking tasked-futures v0.1.0 (https://github.com/erikjohnston/tasked-futures.git#43ef731e)
[INFO] [stderr]     Checking tokio-timer v0.1.2 (https://github.com/tokio-rs/tokio-timer#2b069e92)
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking slog-async v2.5.0
[INFO] [stderr]     Checking tokio-dns-unofficial v0.1.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking slog-term v2.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling extend v0.1.2
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking assert-json-diff v1.0.3
[INFO] [stderr]     Checking mockito v0.25.2
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]     Checking matrix-ircd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.19s
[INFO] running `Command { std: "docker" "inspect" "d1f1035638c720539a4f1566ab0eef000f0667c4233b3469bc0a9bb951096c34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1f1035638c720539a4f1566ab0eef000f0667c4233b3469bc0a9bb951096c34", kill_on_drop: false }`
[INFO] [stdout] d1f1035638c720539a4f1566ab0eef000f0667c4233b3469bc0a9bb951096c34