[INFO] fetching crate fb_failure_ext 0.1.3...
[INFO] checking fb_failure_ext-0.1.3 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate fb_failure_ext 0.1.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate fb_failure_ext 0.1.3 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fb_failure_ext 0.1.3
[INFO] finished tweaking crates.io crate fb_failure_ext 0.1.3
[INFO] tweaked toml for crates.io crate fb_failure_ext 0.1.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] 9c39a3945c564c737cd7250b58f9473f0a6cdc564976bb647bc1b75c7f9e6c50
[INFO] running `Command { std: "docker" "start" "-a" "9c39a3945c564c737cd7250b58f9473f0a6cdc564976bb647bc1b75c7f9e6c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c39a3945c564c737cd7250b58f9473f0a6cdc564976bb647bc1b75c7f9e6c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c39a3945c564c737cd7250b58f9473f0a6cdc564976bb647bc1b75c7f9e6c50", kill_on_drop: false }`
[INFO] [stdout] 9c39a3945c564c737cd7250b58f9473f0a6cdc564976bb647bc1b75c7f9e6c50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] 716ce732bdef059c031dda9acabf3fbbab3ad86c9dc0525b63e21f6a7e358217
[INFO] running `Command { std: "docker" "start" "-a" "716ce732bdef059c031dda9acabf3fbbab3ad86c9dc0525b63e21f6a7e358217", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking fb_failure_ext v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.27s
[INFO] running `Command { std: "docker" "inspect" "716ce732bdef059c031dda9acabf3fbbab3ad86c9dc0525b63e21f6a7e358217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "716ce732bdef059c031dda9acabf3fbbab3ad86c9dc0525b63e21f6a7e358217", kill_on_drop: false }`
[INFO] [stdout] 716ce732bdef059c031dda9acabf3fbbab3ad86c9dc0525b63e21f6a7e358217