[INFO] fetching crate boomerang_derive 0.1.0...
[INFO] checking boomerang_derive-0.1.0 against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] extracting crate boomerang_derive 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate boomerang_derive 0.1.0 on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate boomerang_derive 0.1.0
[INFO] finished tweaking crates.io crate boomerang_derive 0.1.0
[INFO] tweaked toml for crates.io crate boomerang_derive 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5438c77168f6a3efa62908a70a8b49767a1a75da0a79c879c9580c82c56d595a
[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" "5438c77168f6a3efa62908a70a8b49767a1a75da0a79c879c9580c82c56d595a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5438c77168f6a3efa62908a70a8b49767a1a75da0a79c879c9580c82c56d595a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5438c77168f6a3efa62908a70a8b49767a1a75da0a79c879c9580c82c56d595a", kill_on_drop: false }`
[INFO] [stdout] 5438c77168f6a3efa62908a70a8b49767a1a75da0a79c879c9580c82c56d595a
[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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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] 25463098ec267492617642db97a71816c0d2b11a84d8dd6347063bc061cd3b77
[INFO] running `Command { std: "docker" "start" "-a" "25463098ec267492617642db97a71816c0d2b11a84d8dd6347063bc061cd3b77", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking proc-macro2 v1.0.21
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking parse_duration v2.1.0
[INFO] [stderr]     Checking darling_core v0.10.2
[INFO] [stderr]    Compiling derive_more v0.99.10
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking darling v0.10.2
[INFO] [stderr]     Checking boomerang_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.77s
[INFO] running `Command { std: "docker" "inspect" "25463098ec267492617642db97a71816c0d2b11a84d8dd6347063bc061cd3b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25463098ec267492617642db97a71816c0d2b11a84d8dd6347063bc061cd3b77", kill_on_drop: false }`
[INFO] [stdout] 25463098ec267492617642db97a71816c0d2b11a84d8dd6347063bc061cd3b77