[INFO] fetching crate trivet 2.0.2...
[INFO] testing trivet-2.0.2 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate trivet 2.0.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate trivet 2.0.2 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trivet 2.0.2
[INFO] finished tweaking crates.io crate trivet 2.0.2
[INFO] tweaked toml for crates.io crate trivet 2.0.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate trivet 2.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8481b0fa982abaaf3c7714a52369bcc43cf9bbdd38e5e70da497e13f684385d
[INFO] running `Command { std: "docker" "start" "-a" "c8481b0fa982abaaf3c7714a52369bcc43cf9bbdd38e5e70da497e13f684385d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8481b0fa982abaaf3c7714a52369bcc43cf9bbdd38e5e70da497e13f684385d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8481b0fa982abaaf3c7714a52369bcc43cf9bbdd38e5e70da497e13f684385d", kill_on_drop: false }`
[INFO] [stdout] c8481b0fa982abaaf3c7714a52369bcc43cf9bbdd38e5e70da497e13f684385d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e3bc9984c14a6dc68f34a891e53d545a731fefd5632b9dca76250acdf1312e5
[INFO] running `Command { std: "docker" "start" "-a" "1e3bc9984c14a6dc68f34a891e53d545a731fefd5632b9dca76250acdf1312e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling trivet v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "1e3bc9984c14a6dc68f34a891e53d545a731fefd5632b9dca76250acdf1312e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e3bc9984c14a6dc68f34a891e53d545a731fefd5632b9dca76250acdf1312e5", kill_on_drop: false }`
[INFO] [stdout] 1e3bc9984c14a6dc68f34a891e53d545a731fefd5632b9dca76250acdf1312e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d487f1a1baf57920961609fb292ae90ced59ab2d34b80571e149acd33f9442c
[INFO] running `Command { std: "docker" "start" "-a" "2d487f1a1baf57920961609fb292ae90ced59ab2d34b80571e149acd33f9442c", kill_on_drop: false }`
[INFO] [stderr]    Compiling trivet v2.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> examples/book_building_sequence.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Number(trivet::Loc, u64),
[INFO] [stdout]    |     ------ ^^^^^^^^^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Number((), ()),
[INFO] [stdout]    |            ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> examples/book_building_sequence.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Id(trivet::Loc, String),
[INFO] [stdout]    |     -- ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Id((), ()),
[INFO] [stdout]    |        ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trivet` (lib test)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/bin/rustc --crate-name trivet --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="legacy"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("default", "legacy", "no_stall_detection", "no_tracking", "no_ucd", "strict", "uppercase_hex"))' -C metadata=f54d4e019d18b964 -C extra-filename=-f54d4e019d18b964 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustc2qDH0t/symbols.o" "/opt/rustwide/target/debug/examples/expression-e24ec37ded0d0c77.expression.f93e78af652c1c00-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/expression-e24ec37ded0d0c77.ba4n4xqudcwzqv7vxxq8quavt.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtrivet-b8b16dcc8e567585.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-de48b8168d6cf4fa.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9f3477fb95a0bba7.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-210d920812faea91.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-f3d3451767410a17.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-1a79dd36d08251de.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-886230e7120831b2.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-2caea079085a58a2.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a9d7d97cdc65a449.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-5727477b0a78105a.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7e555563aa211118.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-c8f13465f1a795b2.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ee5b5774583426df.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-14df174c91007922.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-e8bfe52be756260a.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-6275035a459b3ada.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-b6892f3c52c68f01.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f72b956e24d1de70.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-632ae0f28c5e55ff.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e8b7e96e438f08f6.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/expression-e24ec37ded0d0c77" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: collect2: fatal error: ld terminated with signal 9 [Killed]
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trivet` (example "expression") due to 2 previous errors
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d487f1a1baf57920961609fb292ae90ced59ab2d34b80571e149acd33f9442c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d487f1a1baf57920961609fb292ae90ced59ab2d34b80571e149acd33f9442c", kill_on_drop: false }`
[INFO] [stdout] 2d487f1a1baf57920961609fb292ae90ced59ab2d34b80571e149acd33f9442c