[INFO] cloning repository https://github.com/BrendanBall/barrier-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BrendanBall/barrier-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrendanBall%2Fbarrier-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrendanBall%2Fbarrier-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8a7ca86494866873b36deff3b00e94e6af81cce
[INFO] checking BrendanBall/barrier-rust against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrendanBall%2Fbarrier-rust" "/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/BrendanBall/barrier-rust on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BrendanBall/barrier-rust
[INFO] finished tweaking git repo https://github.com/BrendanBall/barrier-rust
[INFO] tweaked toml for git repo https://github.com/BrendanBall/barrier-rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/BrendanBall/barrier-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4496ddbef1c88b35ef997ce0cdb97c3602b8cb05cd8a651e1066f961758f7a6
[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" "f4496ddbef1c88b35ef997ce0cdb97c3602b8cb05cd8a651e1066f961758f7a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4496ddbef1c88b35ef997ce0cdb97c3602b8cb05cd8a651e1066f961758f7a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4496ddbef1c88b35ef997ce0cdb97c3602b8cb05cd8a651e1066f961758f7a6", kill_on_drop: false }`
[INFO] [stdout] f4496ddbef1c88b35ef997ce0cdb97c3602b8cb05cd8a651e1066f961758f7a6
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] e081a1832c60b38fe819de51a517fd38df820f3edea08356febf0cd3d41da3e4
[INFO] running `Command { std: "docker" "start" "-a" "e081a1832c60b38fe819de51a517fd38df820f3edea08356febf0cd3d41da3e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking ioctl-sys v0.5.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking enum_derive v0.1.7
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]     Checking regex v1.3.5
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]    Compiling evdev-sys v0.2.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking uinput-sys v0.1.7
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking backtrace v0.3.41
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling proc-macro-hack v0.5.12
[INFO] [stderr]     Checking evdev-rs v0.3.1
[INFO] [stderr]     Checking uinput v0.1.3
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking snafu v0.5.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]     Checking barrier v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "e081a1832c60b38fe819de51a517fd38df820f3edea08356febf0cd3d41da3e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e081a1832c60b38fe819de51a517fd38df820f3edea08356febf0cd3d41da3e4", kill_on_drop: false }`
[INFO] [stdout] e081a1832c60b38fe819de51a517fd38df820f3edea08356febf0cd3d41da3e4