[INFO] fetching crate dynamic-arena 0.1.4...
[INFO] checking dynamic-arena-0.1.4 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate dynamic-arena 0.1.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dynamic-arena 0.1.4 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dynamic-arena 0.1.4
[INFO] finished tweaking crates.io crate dynamic-arena 0.1.4
[INFO] tweaked toml for crates.io crate dynamic-arena 0.1.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.35
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded dirs v2.0.2
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded term v0.6.1
[INFO] [stderr]   Downloaded compiletest_rs v0.5.0
[INFO] [stderr]   Downloaded dirs-sys v0.3.5
[INFO] [stderr]   Downloaded typed-arena v2.0.1
[INFO] [stderr]   Downloaded filetime v0.2.13
[INFO] [stderr]   Downloaded tester v0.7.0
[INFO] [stderr]   Downloaded rustfix v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98d65d40088e0999a9250cd8d72e20fe066859717a31f35698d568a53aebaf13
[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" "98d65d40088e0999a9250cd8d72e20fe066859717a31f35698d568a53aebaf13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98d65d40088e0999a9250cd8d72e20fe066859717a31f35698d568a53aebaf13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98d65d40088e0999a9250cd8d72e20fe066859717a31f35698d568a53aebaf13", kill_on_drop: false }`
[INFO] [stdout] 98d65d40088e0999a9250cd8d72e20fe066859717a31f35698d568a53aebaf13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4045c9e4aa75d1523be3efc700f8f35266bb44c0a06ae86baf264be82f68e36
[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" "c4045c9e4aa75d1523be3efc700f8f35266bb44c0a06ae86baf264be82f68e36", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling compiletest_rs v0.5.0
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking dynamic-arena v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tester v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking rustfix v0.5.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.54s
[INFO] running `Command { std: "docker" "inspect" "c4045c9e4aa75d1523be3efc700f8f35266bb44c0a06ae86baf264be82f68e36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4045c9e4aa75d1523be3efc700f8f35266bb44c0a06ae86baf264be82f68e36", kill_on_drop: false }`
[INFO] [stdout] c4045c9e4aa75d1523be3efc700f8f35266bb44c0a06ae86baf264be82f68e36