[INFO] fetching crate reopen 1.0.1...
[INFO] checking reopen-1.0.1 against beta for pr-78714
[INFO] extracting crate reopen 1.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate reopen 1.0.1 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 crates.io crate reopen 1.0.1
[INFO] finished tweaking crates.io crate reopen 1.0.1
[INFO] tweaked toml for crates.io crate reopen 1.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate reopen 1.0.1 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]     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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 687b5318dd4fd8664fffe3751a004a14de50949f848f6cb88a6ff108576ddb42
[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" "687b5318dd4fd8664fffe3751a004a14de50949f848f6cb88a6ff108576ddb42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "687b5318dd4fd8664fffe3751a004a14de50949f848f6cb88a6ff108576ddb42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "687b5318dd4fd8664fffe3751a004a14de50949f848f6cb88a6ff108576ddb42", kill_on_drop: false }`
[INFO] [stdout] 687b5318dd4fd8664fffe3751a004a14de50949f848f6cb88a6ff108576ddb42
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 770bad42e7218e26cf4b15dbf739b67fe725ca7aba8ec4c268719c1917da5cb4
[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" "770bad42e7218e26cf4b15dbf739b67fe725ca7aba8ec4c268719c1917da5cb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking partial-io v0.3.1
[INFO] [stderr]    Compiling reopen v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking simple-logging v2.0.2
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking version-sync v0.9.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.72s
[INFO] running `Command { std: "docker" "inspect" "770bad42e7218e26cf4b15dbf739b67fe725ca7aba8ec4c268719c1917da5cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "770bad42e7218e26cf4b15dbf739b67fe725ca7aba8ec4c268719c1917da5cb4", kill_on_drop: false }`
[INFO] [stdout] 770bad42e7218e26cf4b15dbf739b67fe725ca7aba8ec4c268719c1917da5cb4