[INFO] crate pow 0.2.0 is already in cache
[INFO] checking pow-0.2.0 against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166
[INFO] extracting crate pow 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate pow 0.2.0 on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pow 0.2.0
[INFO] finished tweaking crates.io crate pow 0.2.0
[INFO] tweaked toml for crates.io crate pow 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea4c640af1ef9ce25b919ab8f4672159d8b912ee37217b25f6325c155d797834
[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" "ea4c640af1ef9ce25b919ab8f4672159d8b912ee37217b25f6325c155d797834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea4c640af1ef9ce25b919ab8f4672159d8b912ee37217b25f6325c155d797834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea4c640af1ef9ce25b919ab8f4672159d8b912ee37217b25f6325c155d797834", kill_on_drop: false }`
[INFO] [stdout] ea4c640af1ef9ce25b919ab8f4672159d8b912ee37217b25f6325c155d797834
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10c9d7969838bbe3ab07b4cfb8a1eaf175c16e5637805bcb228d62ddbbf80e3a
[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" "10c9d7969838bbe3ab07b4cfb8a1eaf175c16e5637805bcb228d62ddbbf80e3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking pow v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'bincode::config::legacy::Config': please use the `DefaultOptions`/`Options` system instead
[INFO] [stdout]   --> src/proof_of_work.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn bincode_cfg() -> bincode::Config {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'bincode::config': please use `options()` instead
[INFO] [stdout]   --> src/proof_of_work.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut cfg = bincode::config();
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'bincode::config::legacy::Config': please use the `DefaultOptions`/`Options` system instead
[INFO] [stdout]   --> src/proof_of_work.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn bincode_cfg() -> bincode::Config {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'bincode::config': please use `options()` instead
[INFO] [stdout]   --> src/proof_of_work.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut cfg = bincode::config();
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.77s
[INFO] running `Command { std: "docker" "inspect" "10c9d7969838bbe3ab07b4cfb8a1eaf175c16e5637805bcb228d62ddbbf80e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10c9d7969838bbe3ab07b4cfb8a1eaf175c16e5637805bcb228d62ddbbf80e3a", kill_on_drop: false }`
[INFO] [stdout] 10c9d7969838bbe3ab07b4cfb8a1eaf175c16e5637805bcb228d62ddbbf80e3a