[INFO] cloning repository https://github.com/ifreund/rslock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ifreund/rslock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fifreund%2Frslock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fifreund%2Frslock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2391ef614783b06ce4b88b14fb4a636fbb2a91a6
[INFO] checking ifreund/rslock against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fifreund%2Frslock" "/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/ifreund/rslock on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ifreund/rslock
[INFO] finished tweaking git repo https://github.com/ifreund/rslock
[INFO] tweaked toml for git repo https://github.com/ifreund/rslock written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ifreund/rslock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c4f3cb3d350d97a16aa6b2e1c59d2f5c8b425e33c9b49544cb9c5d2302e98d1
[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" "8c4f3cb3d350d97a16aa6b2e1c59d2f5c8b425e33c9b49544cb9c5d2302e98d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c4f3cb3d350d97a16aa6b2e1c59d2f5c8b425e33c9b49544cb9c5d2302e98d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c4f3cb3d350d97a16aa6b2e1c59d2f5c8b425e33c9b49544cb9c5d2302e98d1", kill_on_drop: false }`
[INFO] [stdout] 8c4f3cb3d350d97a16aa6b2e1c59d2f5c8b425e33c9b49544cb9c5d2302e98d1
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ef698e4db1e9d6337c9a231c76d3ff211510b3c12a647946656d376b776d974
[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" "5ef698e4db1e9d6337c9a231c76d3ff211510b3c12a647946656d376b776d974", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling pam-sys v0.5.6
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling wayland-scanner v0.27.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]    Compiling wayland-client v0.27.0
[INFO] [stderr]    Compiling wayland-protocols v0.27.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking users v0.8.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking users v0.10.0
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Checking pam v0.7.0
[INFO] [stderr]     Checking xcursor v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking wayland-commons v0.27.0
[INFO] [stderr]     Checking calloop v0.6.2
[INFO] [stderr]     Checking wayland-cursor v0.27.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.10.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking waylock v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.76s
[INFO] running `Command { std: "docker" "inspect" "5ef698e4db1e9d6337c9a231c76d3ff211510b3c12a647946656d376b776d974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef698e4db1e9d6337c9a231c76d3ff211510b3c12a647946656d376b776d974", kill_on_drop: false }`
[INFO] [stdout] 5ef698e4db1e9d6337c9a231c76d3ff211510b3c12a647946656d376b776d974