[INFO] cloning repository https://github.com/cemoktra/ice-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cemoktra/ice-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcemoktra%2Fice-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcemoktra%2Fice-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a6fad56be4928ce60327bd77eb9368f886de508
[INFO] testing cemoktra/ice-rs against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcemoktra%2Fice-rs" "/workspace/builds/worker-42/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-42/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cemoktra/ice-rs on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cemoktra/ice-rs
[INFO] finished tweaking git repo https://github.com/cemoktra/ice-rs
[INFO] tweaked toml for git repo https://github.com/cemoktra/ice-rs written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate git repo https://github.com/cemoktra/ice-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8345cfbb62f9e50d62e3f24e3feebf411658559e91f3c25fcf94e9cd7e3962a7
[INFO] running `Command { std: "docker" "start" "-a" "8345cfbb62f9e50d62e3f24e3feebf411658559e91f3c25fcf94e9cd7e3962a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8345cfbb62f9e50d62e3f24e3feebf411658559e91f3c25fcf94e9cd7e3962a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8345cfbb62f9e50d62e3f24e3feebf411658559e91f3c25fcf94e9cd7e3962a7", kill_on_drop: false }`
[INFO] [stdout] 8345cfbb62f9e50d62e3f24e3feebf411658559e91f3c25fcf94e9cd7e3962a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af53ab92f52ea43056558736317d33cbf6e5f636b85e216d8e090a70b3c7fb29
[INFO] running `Command { std: "docker" "start" "-a" "af53ab92f52ea43056558736317d33cbf6e5f636b85e216d8e090a70b3c7fb29", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling tokio v1.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling derivative v2.1.3
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling ice-derive v0.1.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling pin-project v1.0.4
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.118/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=a0a3a5e51342dccd -C extra-filename=-a0a3a5e51342dccd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg core_try_from --cfg num_nonzero_signed --cfg std_atomic64 --cfg std_atomic` (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" "af53ab92f52ea43056558736317d33cbf6e5f636b85e216d8e090a70b3c7fb29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af53ab92f52ea43056558736317d33cbf6e5f636b85e216d8e090a70b3c7fb29", kill_on_drop: false }`
[INFO] [stdout] af53ab92f52ea43056558736317d33cbf6e5f636b85e216d8e090a70b3c7fb29