[INFO] fetching crate lookupunicode 0.1.0...
[INFO] checking lookupunicode-0.1.0 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate lookupunicode 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate lookupunicode 0.1.0 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lookupunicode 0.1.0
[INFO] finished tweaking crates.io crate lookupunicode 0.1.0
[INFO] tweaked toml for crates.io crate lookupunicode 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate lookupunicode 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e04987562998ce52194908e1087cc2a8ebc9fca9ef98fe66327a8551d00590b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1e04987562998ce52194908e1087cc2a8ebc9fca9ef98fe66327a8551d00590b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e04987562998ce52194908e1087cc2a8ebc9fca9ef98fe66327a8551d00590b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e04987562998ce52194908e1087cc2a8ebc9fca9ef98fe66327a8551d00590b", kill_on_drop: false }`
[INFO] [stdout] 1e04987562998ce52194908e1087cc2a8ebc9fca9ef98fe66327a8551d00590b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05091cd180d9e999ed2961b8de9bdab29071817bdb841df38491b3e8db54c1f3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "05091cd180d9e999ed2961b8de9bdab29071817bdb841df38491b3e8db54c1f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling unindent v0.1.6
[INFO] [stderr]    Compiling lookupunicode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling indoc v1.0.2
[INFO] [stderr] error: failed to run custom build command for `lookupunicode v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/lookupunicode-45039cbbeba8eb55/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: No such file or directory (os error 2)
[INFO] [stderr] 
[INFO] [stderr]   Stack backtrace:
[INFO] [stderr]      0: anyhow::error::<impl core::convert::From<E> for anyhow::Error>::from
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/anyhow-1.0.32/src/error.rs:472
[INFO] [stderr]      1: build_script_build::main
[INFO] [stderr]                at ./build.rs:17
[INFO] [stderr]      2: core::ops::function::FnOnce::call_once
[INFO] [stderr]                at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/ops/function.rs:227
[INFO] [stderr]      3: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]                at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]      4: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/rt.rs:66
[INFO] [stderr]      5: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/ops/function.rs:259
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:381
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:345
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panic.rs:382
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/rt.rs:51
[INFO] [stderr]      6: std::rt::lang_start
[INFO] [stderr]                at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/rt.rs:65
[INFO] [stderr]      7: main
[INFO] [stderr]      8: __libc_start_main
[INFO] [stderr]      9: _start
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "05091cd180d9e999ed2961b8de9bdab29071817bdb841df38491b3e8db54c1f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05091cd180d9e999ed2961b8de9bdab29071817bdb841df38491b3e8db54c1f3", kill_on_drop: false }`
[INFO] [stdout] 05091cd180d9e999ed2961b8de9bdab29071817bdb841df38491b3e8db54c1f3