[INFO] fetching crate silkworm_err 0.1.0-dev.1...
[INFO] checking silkworm_err-0.1.0-dev.1 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate silkworm_err 0.1.0-dev.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate silkworm_err 0.1.0-dev.1 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate silkworm_err 0.1.0-dev.1
[INFO] finished tweaking crates.io crate silkworm_err 0.1.0-dev.1
[INFO] tweaked toml for crates.io crate silkworm_err 0.1.0-dev.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "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] 5d661e3b0eeb662754b4804767f635dbf400bc12aafb9a776b7c2d3c12bfd94b
[INFO] running `Command { std: "docker" "start" "-a" "5d661e3b0eeb662754b4804767f635dbf400bc12aafb9a776b7c2d3c12bfd94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d661e3b0eeb662754b4804767f635dbf400bc12aafb9a776b7c2d3c12bfd94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d661e3b0eeb662754b4804767f635dbf400bc12aafb9a776b7c2d3c12bfd94b", kill_on_drop: false }`
[INFO] [stdout] 5d661e3b0eeb662754b4804767f635dbf400bc12aafb9a776b7c2d3c12bfd94b
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "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] c2641a3d67416c1de15c70ebaa4dcfb92ecbf3afb7fd960b58412e6a1a2ed312
[INFO] running `Command { std: "docker" "start" "-a" "c2641a3d67416c1de15c70ebaa4dcfb92ecbf3afb7fd960b58412e6a1a2ed312", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking silkworm_sourcemap v0.1.0-dev.1
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking silkworm_err v0.1.0-dev.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.23s
[INFO] running `Command { std: "docker" "inspect" "c2641a3d67416c1de15c70ebaa4dcfb92ecbf3afb7fd960b58412e6a1a2ed312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2641a3d67416c1de15c70ebaa4dcfb92ecbf3afb7fd960b58412e6a1a2ed312", kill_on_drop: false }`
[INFO] [stdout] c2641a3d67416c1de15c70ebaa4dcfb92ecbf3afb7fd960b58412e6a1a2ed312