[INFO] cloning repository https://github.com/johalun/sysctlexplorer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johalun/sysctlexplorer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohalun%2Fsysctlexplorer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohalun%2Fsysctlexplorer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3a7beda1dd74ebc3d0b4835fc75b1f975bf6197
[INFO] checking johalun/sysctlexplorer against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohalun%2Fsysctlexplorer" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johalun/sysctlexplorer on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/johalun/sysctlexplorer
[INFO] finished tweaking git repo https://github.com/johalun/sysctlexplorer
[INFO] tweaked toml for git repo https://github.com/johalun/sysctlexplorer written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/johalun/sysctlexplorer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fee4ffbaeb7d86b495a2f1f10b5decd67caf4be85ee729f79773e6fbc9343c2
[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" "5fee4ffbaeb7d86b495a2f1f10b5decd67caf4be85ee729f79773e6fbc9343c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fee4ffbaeb7d86b495a2f1f10b5decd67caf4be85ee729f79773e6fbc9343c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fee4ffbaeb7d86b495a2f1f10b5decd67caf4be85ee729f79773e6fbc9343c2", kill_on_drop: false }`
[INFO] [stdout] 5fee4ffbaeb7d86b495a2f1f10b5decd67caf4be85ee729f79773e6fbc9343c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e054f0f2b7dd854384e84e256f76ac832d7480af8b775f3985b74c18f9bc7f3
[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" "1e054f0f2b7dd854384e84e256f76ac832d7480af8b775f3985b74c18f9bc7f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling syn v0.15.41
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking signal-hook-registry v1.0.1
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking signal-hook v0.1.10
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking backtrace v0.3.33
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]    Compiling debug_stub_derive v0.3.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling enum-map-derive v0.4.1
[INFO] [stderr]     Checking simplelog v0.6.0
[INFO] [stderr]     Checking enum-map v0.5.0
[INFO] [stderr]     Checking toml v0.5.1
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking sysctl v0.4.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling enumset_derive v0.4.0
[INFO] [stderr]     Checking enumset v0.4.0
[INFO] [stderr]     Checking cursive v0.12.0
[INFO] [stderr]     Checking cursive_tree_view v0.4.0
[INFO] [stderr]     Checking sysctlexplorer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "1e054f0f2b7dd854384e84e256f76ac832d7480af8b775f3985b74c18f9bc7f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e054f0f2b7dd854384e84e256f76ac832d7480af8b775f3985b74c18f9bc7f3", kill_on_drop: false }`
[INFO] [stdout] 1e054f0f2b7dd854384e84e256f76ac832d7480af8b775f3985b74c18f9bc7f3