[INFO] fetching crate lexpr 0.2.6...
[INFO] building lexpr-0.2.6 against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] extracting crate lexpr 0.2.6 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate lexpr 0.2.6 on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lexpr 0.2.6
[INFO] finished tweaking crates.io crate lexpr 0.2.6
[INFO] tweaked toml for crates.io crate lexpr 0.2.6 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5badb7d16c68876899f1b345bdeb72a159ba33ef48514b52b400e9b1833ba47
[INFO] running `Command { std: "docker" "start" "-a" "e5badb7d16c68876899f1b345bdeb72a159ba33ef48514b52b400e9b1833ba47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5badb7d16c68876899f1b345bdeb72a159ba33ef48514b52b400e9b1833ba47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5badb7d16c68876899f1b345bdeb72a159ba33ef48514b52b400e9b1833ba47", kill_on_drop: false }`
[INFO] [stdout] e5badb7d16c68876899f1b345bdeb72a159ba33ef48514b52b400e9b1833ba47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 278ca6ccb4783a7bbc2df5ccc91b89116caae12cf06561e1036ec6b778ad98a4
[INFO] running `Command { std: "docker" "start" "-a" "278ca6ccb4783a7bbc2df5ccc91b89116caae12cf06561e1036ec6b778ad98a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling lexpr-macros v0.2.1
[INFO] [stderr]    Compiling lexpr v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.40s
[INFO] running `Command { std: "docker" "inspect" "278ca6ccb4783a7bbc2df5ccc91b89116caae12cf06561e1036ec6b778ad98a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "278ca6ccb4783a7bbc2df5ccc91b89116caae12cf06561e1036ec6b778ad98a4", kill_on_drop: false }`
[INFO] [stdout] 278ca6ccb4783a7bbc2df5ccc91b89116caae12cf06561e1036ec6b778ad98a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daf8eacc1dd69655233db7ef4c5430674fe1c1979acd1888be172b62d8505123
[INFO] running `Command { std: "docker" "start" "-a" "daf8eacc1dd69655233db7ef4c5430674fe1c1979acd1888be172b62d8505123", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.96/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=287fe45c66df0fa7 -C extra-filename=-287fe45c66df0fa7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8cb96000c96f9250.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6531c3c818581e12.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3c3eb1ebc033cd2.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "daf8eacc1dd69655233db7ef4c5430674fe1c1979acd1888be172b62d8505123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf8eacc1dd69655233db7ef4c5430674fe1c1979acd1888be172b62d8505123", kill_on_drop: false }`
[INFO] [stdout] daf8eacc1dd69655233db7ef4c5430674fe1c1979acd1888be172b62d8505123