[INFO] fetching crate peepmatic-souper 0.72.0...
[INFO] checking peepmatic-souper-0.72.0 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate peepmatic-souper 0.72.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate peepmatic-souper 0.72.0 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peepmatic-souper 0.72.0
[INFO] finished tweaking crates.io crate peepmatic-souper 0.72.0
[INFO] tweaked toml for crates.io crate peepmatic-souper 0.72.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded id-arena v2.2.1
[INFO] [stderr]   Downloaded z3 v0.7.1
[INFO] [stderr]   Downloaded souper-ir v2.1.0
[INFO] [stderr]   Downloaded peepmatic-automata v0.72.0
[INFO] [stderr]   Downloaded peepmatic-runtime v0.72.0
[INFO] [stderr]   Downloaded peepmatic v0.72.0
[INFO] [stderr]   Downloaded z3-sys v0.6.3
[INFO] [stderr]   Downloaded peepmatic-macro v0.72.0
[INFO] [stderr]   Downloaded peepmatic-test-operator v0.72.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77dba66bfd75a42ccbcef106f72a8eb9932aa4eac9438bf336913bbf03f2594a
[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" "77dba66bfd75a42ccbcef106f72a8eb9932aa4eac9438bf336913bbf03f2594a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77dba66bfd75a42ccbcef106f72a8eb9932aa4eac9438bf336913bbf03f2594a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77dba66bfd75a42ccbcef106f72a8eb9932aa4eac9438bf336913bbf03f2594a", kill_on_drop: false }`
[INFO] [stdout] 77dba66bfd75a42ccbcef106f72a8eb9932aa4eac9438bf336913bbf03f2594a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06a654433300fb71d0f47cb696fb1f07c682c30475ad63e51cf7996e9a404aa2
[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" "06a654433300fb71d0f47cb696fb1f07c682c30475ad63e51cf7996e9a404aa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking peepmatic-traits v0.72.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]    Compiling z3-sys v0.6.3
[INFO] [stderr]     Checking anyhow v1.0.40
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking wast v35.0.1
[INFO] [stderr]     Checking souper-ir v2.1.0
[INFO] [stderr]     Checking peepmatic-souper v0.72.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling peepmatic-macro v0.72.0
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.125/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=0b7a1bd4d03a3448 -C extra-filename=-0b7a1bd4d03a3448 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-68d422dfc8864dc7.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-cfc781dd86a6c62d.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-29ea652d173287ac.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "06a654433300fb71d0f47cb696fb1f07c682c30475ad63e51cf7996e9a404aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a654433300fb71d0f47cb696fb1f07c682c30475ad63e51cf7996e9a404aa2", kill_on_drop: false }`
[INFO] [stdout] 06a654433300fb71d0f47cb696fb1f07c682c30475ad63e51cf7996e9a404aa2