[INFO] fetching crate ckb-pow 0.37.0...
[INFO] checking ckb-pow-0.37.0 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate ckb-pow 0.37.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ckb-pow 0.37.0 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9fca9b1da036244fad965864e1efb45bb8331291458df1639c0c12cae2f41fc
[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" "d9fca9b1da036244fad965864e1efb45bb8331291458df1639c0c12cae2f41fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9fca9b1da036244fad965864e1efb45bb8331291458df1639c0c12cae2f41fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9fca9b1da036244fad965864e1efb45bb8331291458df1639c0c12cae2f41fc", kill_on_drop: false }`
[INFO] [stdout] d9fca9b1da036244fad965864e1efb45bb8331291458df1639c0c12cae2f41fc
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c946e7d5e28a47c0d32ce237627fd50424e20bc260771b3b94cfdb4fe7bae96
[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" "1c946e7d5e28a47c0d32ce237627fd50424e20bc260771b3b94cfdb4fe7bae96", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[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 libc v0.2.80
[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]    Compiling object v0.21.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling faster-hex v0.4.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking lazy_static v1.4.0
[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]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking log v0.4.11
[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 rand v0.5.6
[INFO] [stderr]     Checking ckb-channel v0.37.0
[INFO] [stderr]    Compiling blake2b-rs v0.1.5
[INFO] [stderr]    Compiling enum-display-derive v0.1.0
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking ckb-hash v0.37.0
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling numext-constructor v0.1.4
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]     Checking ckb-occupied-capacity-core v0.37.0
[INFO] [stderr]     Checking ckb-fixed-hash-core v0.37.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking molecule v0.6.0
[INFO] [stderr]    Compiling ckb-occupied-capacity-macros v0.37.0
[INFO] [stderr]    Compiling ckb-fixed-hash-macros v0.37.0
[INFO] [stderr]    Compiling numext-fixed-uint-core v0.1.4
[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 v0.1.4
[INFO] [stderr]     Checking numext-fixed-uint v0.1.4
[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 57s
[INFO] running `Command { std: "docker" "inspect" "1c946e7d5e28a47c0d32ce237627fd50424e20bc260771b3b94cfdb4fe7bae96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c946e7d5e28a47c0d32ce237627fd50424e20bc260771b3b94cfdb4fe7bae96", kill_on_drop: false }`
[INFO] [stdout] 1c946e7d5e28a47c0d32ce237627fd50424e20bc260771b3b94cfdb4fe7bae96