[INFO] fetching crate ckb-pow 0.37.0...
[INFO] checking ckb-pow-0.37.0 against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] extracting crate ckb-pow 0.37.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ckb-pow 0.37.0 on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-pow 0.37.0
[INFO] finished tweaking crates.io crate ckb-pow 0.37.0
[INFO] tweaked toml for crates.io crate ckb-pow 0.37.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89d8b515a051d4689f425e17cc6ae6237862365539eac51a97fc5ebe2a1484c4
[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" "89d8b515a051d4689f425e17cc6ae6237862365539eac51a97fc5ebe2a1484c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89d8b515a051d4689f425e17cc6ae6237862365539eac51a97fc5ebe2a1484c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89d8b515a051d4689f425e17cc6ae6237862365539eac51a97fc5ebe2a1484c4", kill_on_drop: false }`
[INFO] [stdout] 89d8b515a051d4689f425e17cc6ae6237862365539eac51a97fc5ebe2a1484c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb57c10050370e8083cfe68b01f239fc2af6228f0d6453efb37f214f1d1a9fcf
[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" "cb57c10050370e8083cfe68b01f239fc2af6228f0d6453efb37f214f1d1a9fcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling faster-hex v0.4.1
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking eaglesong v0.1.0
[INFO] [stderr]     Checking merkle-cbt v0.3.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling blake2b-rs v0.1.5
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking ckb-hash v0.37.0
[INFO] [stderr]     Checking ckb-channel v0.37.0
[INFO] [stderr]    Compiling enum-display-derive v0.1.0
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling numext-constructor v0.1.6
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]     Checking numext-fixed-uint-core v0.1.6
[INFO] [stderr]     Checking ckb-occupied-capacity-core v0.37.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking ckb-fixed-hash-core v0.37.0
[INFO] [stderr]    Compiling ckb-occupied-capacity-macros v0.37.0
[INFO] [stderr]    Compiling ckb-fixed-hash-macros v0.37.0
[INFO] [stderr]     Checking molecule v0.6.0
[INFO] [stderr]     Checking ckb-occupied-capacity v0.37.0
[INFO] [stderr]     Checking ckb-error v0.37.0
[INFO] [stderr]     Checking ckb-fixed-hash v0.37.0
[INFO] [stderr]    Compiling numext-fixed-uint-hack v0.1.6
[INFO] [stderr]     Checking numext-fixed-uint v0.1.6
[INFO] [stderr]     Checking ckb-rational v0.37.0
[INFO] [stderr]     Checking ckb-types v0.37.0
[INFO] [stderr]     Checking ckb-pow v0.37.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 11s
[INFO] running `Command { std: "docker" "inspect" "cb57c10050370e8083cfe68b01f239fc2af6228f0d6453efb37f214f1d1a9fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb57c10050370e8083cfe68b01f239fc2af6228f0d6453efb37f214f1d1a9fcf", kill_on_drop: false }`
[INFO] [stdout] cb57c10050370e8083cfe68b01f239fc2af6228f0d6453efb37f214f1d1a9fcf