[INFO] fetching crate espr 0.3.0...
[INFO] testing espr-0.3.0 against try#613d1972a772987ed4ee06faccbab0e2fc839871+rustflags=-Copt-level=3 for pr-107051
[INFO] extracting crate espr 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate espr 0.3.0 on toolchain 613d1972a772987ed4ee06faccbab0e2fc839871
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate espr 0.3.0
[INFO] finished tweaking crates.io crate espr 0.3.0
[INFO] tweaked toml for crates.io crate espr 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate espr 0.3.0 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" "+613d1972a772987ed4ee06faccbab0e2fc839871" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3df3a6110eab493123dfa7e0b53ab07fb03868336c04b6d0fff1ac1e5cf38317
[INFO] running `Command { std: "docker" "start" "-a" "3df3a6110eab493123dfa7e0b53ab07fb03868336c04b6d0fff1ac1e5cf38317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3df3a6110eab493123dfa7e0b53ab07fb03868336c04b6d0fff1ac1e5cf38317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df3a6110eab493123dfa7e0b53ab07fb03868336c04b6d0fff1ac1e5cf38317", kill_on_drop: false }`
[INFO] [stdout] 3df3a6110eab493123dfa7e0b53ab07fb03868336c04b6d0fff1ac1e5cf38317
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4571fa36839f00cbf8c378d4be75b1acc940af9b55da997b3dc4e3fb9516aeca
[INFO] running `Command { std: "docker" "start" "-a" "4571fa36839f00cbf8c378d4be75b1acc940af9b55da997b3dc4e3fb9516aeca", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling check_keyword v0.1.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling katexit v0.1.2
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling espr v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 09s
[INFO] running `Command { std: "docker" "inspect" "4571fa36839f00cbf8c378d4be75b1acc940af9b55da997b3dc4e3fb9516aeca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4571fa36839f00cbf8c378d4be75b1acc940af9b55da997b3dc4e3fb9516aeca", kill_on_drop: false }`
[INFO] [stdout] 4571fa36839f00cbf8c378d4be75b1acc940af9b55da997b3dc4e3fb9516aeca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c48ae8c913346d77ddb10bd7b83a0f0bf4c3ff4825291f78ddff07f670f81b9c
[INFO] running `Command { std: "docker" "start" "-a" "c48ae8c913346d77ddb10bd7b83a0f0bf4c3ff4825291f78ddff07f670f81b9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling similar v2.1.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling espr v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_yaml v0.8.24
[INFO] [stderr]    Compiling insta v1.14.1
[INFO] [stderr] error: could not compile `espr`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name espr --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 -C metadata=633b3c1cecec2c86 -C extra-filename=-633b3c1cecec2c86 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern inflector=/opt/rustwide/target/debug/deps/libinflector-3067e0c721faffe7.rlib --extern check_keyword=/opt/rustwide/target/debug/deps/libcheck_keyword-9e5e2ca385187cb2.rlib --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-43637ed95412977c.so --extern insta=/opt/rustwide/target/debug/deps/libinsta-8e781f13305278a6.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-880a78c1c498d46c.rlib --extern katexit=/opt/rustwide/target/debug/deps/libkatexit-ba73c1fb94fbecc3.so --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-f87334d4ddfcf750.rlib --extern nom=/opt/rustwide/target/debug/deps/libnom-c4f9fd4189d248f8.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-73ef3ed025fea9ce.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-a21aa8320adf1b40.rlib --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-b6df5c96a67b81c1.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-fd83dec369ea682f.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-4c8cd81cb3da9fa0.rlib --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c48ae8c913346d77ddb10bd7b83a0f0bf4c3ff4825291f78ddff07f670f81b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c48ae8c913346d77ddb10bd7b83a0f0bf4c3ff4825291f78ddff07f670f81b9c", kill_on_drop: false }`
[INFO] [stdout] c48ae8c913346d77ddb10bd7b83a0f0bf4c3ff4825291f78ddff07f670f81b9c