[INFO] fetching crate ckb-pow 0.40.0...
[INFO] checking ckb-pow-0.40.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate ckb-pow 0.40.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ckb-pow 0.40.0 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-pow 0.40.0
[INFO] finished tweaking crates.io crate ckb-pow 0.40.0
[INFO] tweaked toml for crates.io crate ckb-pow 0.40.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3a9ae934fbecba4e080d840cfce3a7951dbce0bdd2af491349f2c946b169e869
[INFO] running `Command { std: "docker" "start" "-a" "3a9ae934fbecba4e080d840cfce3a7951dbce0bdd2af491349f2c946b169e869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a9ae934fbecba4e080d840cfce3a7951dbce0bdd2af491349f2c946b169e869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9ae934fbecba4e080d840cfce3a7951dbce0bdd2af491349f2c946b169e869", kill_on_drop: false }`
[INFO] [stdout] 3a9ae934fbecba4e080d840cfce3a7951dbce0bdd2af491349f2c946b169e869
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e3aa5a8a6ddde7a4f8f7d27c5b8e4dbd3955df97833a2aeeb4327872c7fe912
[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" "9e3aa5a8a6ddde7a4f8f7d27c5b8e4dbd3955df97833a2aeeb4327872c7fe912", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling faster-hex v0.4.1
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking eaglesong v0.1.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking merkle-cbt v0.3.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ckb-channel v0.40.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling numext-constructor v0.1.6
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]     Checking ckb-occupied-capacity-core v0.40.0
[INFO] [stderr]     Checking numext-fixed-uint-core v0.1.6
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking ckb-fixed-hash-core v0.40.0
[INFO] [stderr]    Compiling ckb-occupied-capacity-macros v0.40.0
[INFO] [stderr]     Checking molecule v0.6.0
[INFO] [stderr]    Compiling ckb-fixed-hash-macros v0.40.0
[INFO] [stderr]     Checking ckb-occupied-capacity v0.40.0
[INFO] [stderr]     Checking ckb-error v0.40.0
[INFO] [stderr]     Checking ckb-fixed-hash v0.40.0
[INFO] [stderr]    Compiling numext-fixed-uint-hack v0.1.6
[INFO] [stderr]     Checking numext-fixed-uint v0.1.6
[INFO] [stderr]     Checking ckb-rational v0.40.0
[INFO] [stderr]     Checking ckb-types v0.40.0
[INFO] [stderr]     Checking ckb-pow v0.40.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `Command { std: "docker" "inspect" "9e3aa5a8a6ddde7a4f8f7d27c5b8e4dbd3955df97833a2aeeb4327872c7fe912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e3aa5a8a6ddde7a4f8f7d27c5b8e4dbd3955df97833a2aeeb4327872c7fe912", kill_on_drop: false }`
[INFO] [stdout] 9e3aa5a8a6ddde7a4f8f7d27c5b8e4dbd3955df97833a2aeeb4327872c7fe912