[INFO] fetching crate themelio-node 0.7.5...
[INFO] checking themelio-node-0.7.5 against master#7036449c774860a5b348dbbe01c20704c557382e for pr-98456
[INFO] extracting crate themelio-node 0.7.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate themelio-node 0.7.5 on toolchain 7036449c774860a5b348dbbe01c20704c557382e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/rust-toolchain
[INFO] started tweaking crates.io crate themelio-node 0.7.5
[INFO] finished tweaking crates.io crate themelio-node 0.7.5
[INFO] tweaked toml for crates.io crate themelio-node 0.7.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate themelio-node 0.7.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+7036449c774860a5b348dbbe01c20704c557382e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b31ec8de58da4dae227108925437e19ee65afd689e56bd4a0530733093fe40fc
[INFO] running `Command { std: "docker" "start" "-a" "b31ec8de58da4dae227108925437e19ee65afd689e56bd4a0530733093fe40fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b31ec8de58da4dae227108925437e19ee65afd689e56bd4a0530733093fe40fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b31ec8de58da4dae227108925437e19ee65afd689e56bd4a0530733093fe40fc", kill_on_drop: false }`
[INFO] [stdout] b31ec8de58da4dae227108925437e19ee65afd689e56bd4a0530733093fe40fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+7036449c774860a5b348dbbe01c20704c557382e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4308493c95d8482c2bf77cfbe1e4ecbc461d0fdad7c8ad5381088363ed747ad0
[INFO] running `Command { std: "docker" "start" "-a" "4308493c95d8482c2bf77cfbe1e4ecbc461d0fdad7c8ad5381088363ed747ad0", kill_on_drop: false }`
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[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking async-net v1.6.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling syn-mid v0.5.3
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling derive_arbitrary v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling structmeta-derive v0.1.5
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling serde_repr v0.1.8
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling async-recursion v1.0.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[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-1.0.137/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=7e022fd29c15251c -C extra-filename=-7e022fd29c15251c --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.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-6531c3c818581e12.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-2318b71e61d87a0e.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts --cfg ptr_addr_of` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4308493c95d8482c2bf77cfbe1e4ecbc461d0fdad7c8ad5381088363ed747ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4308493c95d8482c2bf77cfbe1e4ecbc461d0fdad7c8ad5381088363ed747ad0", kill_on_drop: false }`
[INFO] [stdout] 4308493c95d8482c2bf77cfbe1e4ecbc461d0fdad7c8ad5381088363ed747ad0