[INFO] fetching crate grin_core 4.1.0...
[INFO] checking grin_core-4.1.0 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate grin_core 4.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate grin_core 4.1.0 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grin_core 4.1.0
[INFO] finished tweaking crates.io crate grin_core 4.1.0
[INFO] tweaked toml for crates.io crate grin_core 4.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e689aeea06590383a8cef99e8cd2e8f6c74cb24654713b5e143026810e068e4
[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" "2e689aeea06590383a8cef99e8cd2e8f6c74cb24654713b5e143026810e068e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e689aeea06590383a8cef99e8cd2e8f6c74cb24654713b5e143026810e068e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e689aeea06590383a8cef99e8cd2e8f6c74cb24654713b5e143026810e068e4", kill_on_drop: false }`
[INFO] [stdout] 2e689aeea06590383a8cef99e8cd2e8f6c74cb24654713b5e143026810e068e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 0ae5328a6316a8975489f049816f45778ed2e7ad2b5e5ef83406babc75f47f4c
[INFO] running `Command { std: "docker" "start" "-a" "0ae5328a6316a8975489f049816f45778ed2e7ad2b5e5ef83406babc75f47f4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling grin_secp256k1zkp v0.7.9
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking zip v0.5.8
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking log4rs v0.12.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]     Checking grin_util v4.1.0
[INFO] [stderr]     Checking grin_keychain v4.1.0
[INFO] [stderr]    Compiling croaring-sys-mw v0.4.5
[INFO] [stderr]     Checking croaring-mw v0.4.5
[INFO] [stderr]     Checking grin_core v4.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 00s
[INFO] running `Command { std: "docker" "inspect" "0ae5328a6316a8975489f049816f45778ed2e7ad2b5e5ef83406babc75f47f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ae5328a6316a8975489f049816f45778ed2e7ad2b5e5ef83406babc75f47f4c", kill_on_drop: false }`
[INFO] [stdout] 0ae5328a6316a8975489f049816f45778ed2e7ad2b5e5ef83406babc75f47f4c