[INFO] cloning repository https://github.com/butlerx/channels
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/butlerx/channels" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbutlerx%2Fchannels", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbutlerx%2Fchannels'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0a6a636d25b9c707445b9d945739df8be8138a4
[INFO] checking butlerx/channels against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbutlerx%2Fchannels" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/butlerx/channels on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/butlerx/channels
[INFO] finished tweaking git repo https://github.com/butlerx/channels
[INFO] tweaked toml for git repo https://github.com/butlerx/channels written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/butlerx/channels already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 987a3d7103a6c9595a892f7c2c3677c7246a4096a1a8ae7545e25439ce94fe23
[INFO] running `Command { std: "docker" "start" "-a" "987a3d7103a6c9595a892f7c2c3677c7246a4096a1a8ae7545e25439ce94fe23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "987a3d7103a6c9595a892f7c2c3677c7246a4096a1a8ae7545e25439ce94fe23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "987a3d7103a6c9595a892f7c2c3677c7246a4096a1a8ae7545e25439ce94fe23", kill_on_drop: false }`
[INFO] [stdout] 987a3d7103a6c9595a892f7c2c3677c7246a4096a1a8ae7545e25439ce94fe23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eabfc7a46d386116f09a6f981e3550d71102992ec52d316a5ad34b11d28a0be6
[INFO] running `Command { std: "docker" "start" "-a" "eabfc7a46d386116f09a6f981e3550d71102992ec52d316a5ad34b11d28a0be6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling protobuf v2.18.1
[INFO] [stderr]     Checking smallvec v1.6.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling prometheus v0.11.0
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling channels v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking http v0.2.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking base64-url v1.4.8
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr] error: failed to run custom build command for `channels v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/channels-ea7db398823faeb0/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', build.rs:9:35
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55eb9ad62ff0 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55eb9ad62ff0 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55eb9ad62ff0 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55eb9ad62ff0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h767e17e1aa7df6a8
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55eb9ad7fc3c - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x55eb9ad61635 - std::io::Write::write_fmt::h4c802b6f761026c1
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x55eb9ad64c1b - std::sys_common::backtrace::_print::h2769edb26a7eb606
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55eb9ad64c1b - std::sys_common::backtrace::print::ha71f3549862b4cb6
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55eb9ad64c1b - std::panicking::default_hook::{{closure}}::h95488a3bade217f6
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55eb9ad646f1 - std::panicking::default_hook::h290aa602c0fb11df
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55eb9ad652c1 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x55eb9ad64dc7 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x55eb9ad634cc - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55eb9ad64d29 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x55eb9ad49201 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55eb9ad49293 - core::result::unwrap_failed::hf79563fef9d11ab8
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x55eb9ad5018e - core::result::Result<T,E>::unwrap::hffa8d13090408c67
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x55eb9ad4cd02 - build_script_build::main::h08aaa62ce604e744
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:9:5
[INFO] [stderr]     18:     0x55eb9ad4ba5b - core::ops::function::FnOnce::call_once::h216cdf82f3567cfd
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55eb9ad502fe - std::sys_common::backtrace::__rust_begin_short_backtrace::h4d68dc75d1fca58d
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55eb9ad4f5c1 - std::rt::lang_start::{{closure}}::hc70d6a813bb5e67e
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/rt.rs:49:18
[INFO] [stderr]     21:     0x55eb9ad657b9 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h04259e4a34d07c2f
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55eb9ad657b9 - std::panicking::try::do_call::hb8da45704d5cfbbf
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:401:40
[INFO] [stderr]     23:     0x55eb9ad657b9 - std::panicking::try::h4beadc19a78fec52
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:365:19
[INFO] [stderr]     24:     0x55eb9ad657b9 - std::panic::catch_unwind::hc58016cd36ba81a4
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panic.rs:433:14
[INFO] [stderr]     25:     0x55eb9ad657b9 - std::rt::lang_start_internal::hc51399759a90501a
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/rt.rs:34:21
[INFO] [stderr]     26:     0x55eb9ad4f5a0 - std::rt::lang_start::h734174c9c2a7a035
[INFO] [stderr]                                  at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/rt.rs:48:5
[INFO] [stderr]     27:     0x55eb9ad4ceec - main
[INFO] [stderr]     28:     0x7f168d9250b3 - __libc_start_main
[INFO] [stderr]     29:     0x55eb9ad4995e - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "eabfc7a46d386116f09a6f981e3550d71102992ec52d316a5ad34b11d28a0be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eabfc7a46d386116f09a6f981e3550d71102992ec52d316a5ad34b11d28a0be6", kill_on_drop: false }`
[INFO] [stdout] eabfc7a46d386116f09a6f981e3550d71102992ec52d316a5ad34b11d28a0be6