[INFO] cloning repository https://github.com/springer12/cntr_pro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/springer12/cntr_pro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspringer12%2Fcntr_pro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspringer12%2Fcntr_pro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa012c0e7b5b9013d2bc81ab8dbfbb9683996417
[INFO] checking springer12/cntr_pro against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspringer12%2Fcntr_pro" "/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/springer12/cntr_pro 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/springer12/cntr_pro
[INFO] finished tweaking git repo https://github.com/springer12/cntr_pro
[INFO] tweaked toml for git repo https://github.com/springer12/cntr_pro written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/springer12/cntr_pro 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]  Downloading crates ...
[INFO] [stderr]   Downloaded spin v0.4.8
[INFO] [stderr]   Downloaded cpuprofiler v0.0.3
[INFO] [stderr]   Downloaded error-chain v0.5.0
[INFO] [stderr]   Downloaded cntr-fuse v0.3.6
[INFO] [stderr]   Downloaded argparse v0.2.1
[INFO] [stderr]   Downloaded cntr-nix v0.11.0-pre1
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6e880e17986e2743971039d5bec888b7e50d594c83986d33b0d98e80c046045
[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" "a6e880e17986e2743971039d5bec888b7e50d594c83986d33b0d98e80c046045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6e880e17986e2743971039d5bec888b7e50d594c83986d33b0d98e80c046045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e880e17986e2743971039d5bec888b7e50d594c83986d33b0d98e80c046045", kill_on_drop: false }`
[INFO] [stdout] a6e880e17986e2743971039d5bec888b7e50d594c83986d33b0d98e80c046045
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e88ed8e7d10bca79201af85441b7824d8ee7d8cad7fa8a4b54383ba43de9892
[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" "7e88ed8e7d10bca79201af85441b7824d8ee7d8cad7fa8a4b54383ba43de9892", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.41
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling cntr-nix v0.11.0-pre1
[INFO] [stderr]     Checking smallvec v0.6.1
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking spin v0.4.8
[INFO] [stderr]     Checking argparse v0.2.1
[INFO] [stderr]    Compiling cntr-fuse v0.3.6
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking concurrent-hashmap v0.2.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking cntr v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.58s
[INFO] running `Command { std: "docker" "inspect" "7e88ed8e7d10bca79201af85441b7824d8ee7d8cad7fa8a4b54383ba43de9892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e88ed8e7d10bca79201af85441b7824d8ee7d8cad7fa8a4b54383ba43de9892", kill_on_drop: false }`
[INFO] [stdout] 7e88ed8e7d10bca79201af85441b7824d8ee7d8cad7fa8a4b54383ba43de9892