[INFO] cloning repository https://github.com/mvlabat/ud2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mvlabat/ud2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvlabat%2Fud2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvlabat%2Fud2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d02f0111f078a6034d6caca8f1429a0b5713a297
[INFO] checking mvlabat/ud2 against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvlabat%2Fud2" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mvlabat/ud2 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/mvlabat/ud2
[INFO] finished tweaking git repo https://github.com/mvlabat/ud2
[INFO] tweaked toml for git repo https://github.com/mvlabat/ud2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mvlabat/ud2 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] [stderr] warning: the cargo feature `profile-overrides` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr] warning: unused manifest key: profile.dev.overrides
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 87298e6d80f747c2df9cbd1cb362cf61e50a0fb10c4d1cb0b0fc64fd9d2e4706
[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" "87298e6d80f747c2df9cbd1cb362cf61e50a0fb10c4d1cb0b0fc64fd9d2e4706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87298e6d80f747c2df9cbd1cb362cf61e50a0fb10c4d1cb0b0fc64fd9d2e4706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87298e6d80f747c2df9cbd1cb362cf61e50a0fb10c4d1cb0b0fc64fd9d2e4706", kill_on_drop: false }`
[INFO] [stdout] 87298e6d80f747c2df9cbd1cb362cf61e50a0fb10c4d1cb0b0fc64fd9d2e4706
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 071d96d933beb21570949ec48b46ba1f7076b16fa8b030d4a6c8b5477fa915cb
[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" "071d96d933beb21570949ec48b46ba1f7076b16fa8b030d4a6c8b5477fa915cb", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `profile-overrides` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr] warning: unused manifest key: profile.dev.overrides
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling shred-derive v0.5.1
[INFO] [stderr]     Checking hibitset v0.5.4
[INFO] [stderr]     Checking shred v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]     Checking specs v0.14.3
[INFO] [stderr]     Checking ud2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.78s
[INFO] running `Command { std: "docker" "inspect" "071d96d933beb21570949ec48b46ba1f7076b16fa8b030d4a6c8b5477fa915cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "071d96d933beb21570949ec48b46ba1f7076b16fa8b030d4a6c8b5477fa915cb", kill_on_drop: false }`
[INFO] [stdout] 071d96d933beb21570949ec48b46ba1f7076b16fa8b030d4a6c8b5477fa915cb