[INFO] fetching crate alerter_rs 26.5.1...
[INFO] checking alerter_rs-26.5.1 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205
[INFO] extracting crate alerter_rs 26.5.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate alerter_rs 26.5.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate alerter_rs 26.5.1
[INFO] tweaked toml for crates.io crate alerter_rs 26.5.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate alerter_rs 26.5.1 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate alerter_rs 26.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dirs-sys v0.5.0
[INFO] [stderr]   Downloaded libredox v0.1.14
[INFO] [stderr]   Downloaded redox_users v0.5.2
[INFO] [stderr]   Downloaded option-ext v0.2.0
[INFO] [stderr]   Downloaded dirs v6.0.0
[INFO] [stderr]   Downloaded libc v0.2.182
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7a229eb439e84febd52667b1a4959d410acb192e357c103678811f0786b4be0
[INFO] running `Command { std: "docker" "start" "-a" "b7a229eb439e84febd52667b1a4959d410acb192e357c103678811f0786b4be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7a229eb439e84febd52667b1a4959d410acb192e357c103678811f0786b4be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7a229eb439e84febd52667b1a4959d410acb192e357c103678811f0786b4be0", kill_on_drop: false }`
[INFO] [stdout] b7a229eb439e84febd52667b1a4959d410acb192e357c103678811f0786b4be0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e51c7c35a341218f2f4bf0d99b19232676a0f2d647760ad0a7d468355a715067
[INFO] running `Command { std: "docker" "start" "-a" "e51c7c35a341218f2f4bf0d99b19232676a0f2d647760ad0a7d468355a715067", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling alerter_rs v26.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]     Checking itoa v1.0.17
[INFO] [stderr] error: failed to run custom build command for `alerter_rs v26.5.1 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/alerter_rs-1c163e42ced8d7fd/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=alerter/Sources/
[INFO] [stderr]   cargo:rerun-if-changed=alerter/Package.swift
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (206) panicked at build.rs:24:10:
[INFO] [stderr]   Failed to run `swift build`. Is the Swift toolchain installed?: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x59d0bf740d2a - std[e4a598c2d7907cc1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x59d0bf740d2a - std[e4a598c2d7907cc1]::backtrace_rs::backtrace::trace_unsynchronized::<std[e4a598c2d7907cc1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x59d0bf740d2a - std[e4a598c2d7907cc1]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x59d0bf740d2a - <<std[e4a598c2d7907cc1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[1fe3e66427eb3788]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x59d0bf751dba - <core[1fe3e66427eb3788]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x59d0bf751dba - core[1fe3e66427eb3788]::fmt::write
[INFO] [stderr]      6:     0x59d0bf744fe2 - std[e4a598c2d7907cc1]::io::default_write_fmt::<std[e4a598c2d7907cc1]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x59d0bf744fe2 - <std[e4a598c2d7907cc1]::sys::stdio::unix::Stderr as std[e4a598c2d7907cc1]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x59d0bf7265cf - <std[e4a598c2d7907cc1]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x59d0bf7265cf - std[e4a598c2d7907cc1]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x59d0bf73c9e1 - std[e4a598c2d7907cc1]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x59d0bf73cb9b - std[e4a598c2d7907cc1]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x59d0bf726688 - std[e4a598c2d7907cc1]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x59d0bf71e189 - std[e4a598c2d7907cc1]::sys::backtrace::__rust_end_short_backtrace::<std[e4a598c2d7907cc1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x59d0bf726eed - __rustc[13b91de63b82f5e3]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x59d0bf7524ac - core[1fe3e66427eb3788]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x59d0bf752282 - core[1fe3e66427eb3788]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x59d0bf70cef2 - <core[1fe3e66427eb3788]::result::Result<std[e4a598c2d7907cc1]::process::Output, std[e4a598c2d7907cc1]::io::error::Error>>::expect
[INFO] [stderr]     18:     0x59d0bf70ca88 - build_script_build[c05c7b9b50c63549]::main
[INFO] [stderr]     19:     0x59d0bf70f733 - <fn() as core[1fe3e66427eb3788]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     20:     0x59d0bf70bef6 - std[e4a598c2d7907cc1]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     21:     0x59d0bf70c3e9 - std[e4a598c2d7907cc1]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     22:     0x59d0bf73bc24 - <&dyn core[1fe3e66427eb3788]::ops::function::Fn<(), Output = i32> + core[1fe3e66427eb3788]::marker::Sync + core[1fe3e66427eb3788]::panic::unwind_safe::RefUnwindSafe as core[1fe3e66427eb3788]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x59d0bf73bc24 - std[e4a598c2d7907cc1]::panicking::catch_unwind::do_call::<&dyn core[1fe3e66427eb3788]::ops::function::Fn<(), Output = i32> + core[1fe3e66427eb3788]::marker::Sync + core[1fe3e66427eb3788]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/panicking.rs:581:40
[INFO] [stderr]     24:     0x59d0bf73bc24 - std[e4a598c2d7907cc1]::panicking::catch_unwind::<i32, &dyn core[1fe3e66427eb3788]::ops::function::Fn<(), Output = i32> + core[1fe3e66427eb3788]::marker::Sync + core[1fe3e66427eb3788]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/panicking.rs:544:19
[INFO] [stderr]     25:     0x59d0bf73bc24 - std[e4a598c2d7907cc1]::panic::catch_unwind::<&dyn core[1fe3e66427eb3788]::ops::function::Fn<(), Output = i32> + core[1fe3e66427eb3788]::marker::Sync + core[1fe3e66427eb3788]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x59d0bf73bc24 - std[e4a598c2d7907cc1]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x59d0bf73bc24 - std[e4a598c2d7907cc1]::panicking::catch_unwind::do_call::<std[e4a598c2d7907cc1]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/panicking.rs:581:40
[INFO] [stderr]     28:     0x59d0bf73bc24 - std[e4a598c2d7907cc1]::panicking::catch_unwind::<isize, std[e4a598c2d7907cc1]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/panicking.rs:544:19
[INFO] [stderr]     29:     0x59d0bf73bc24 - std[e4a598c2d7907cc1]::panic::catch_unwind::<std[e4a598c2d7907cc1]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x59d0bf73bc24 - std[e4a598c2d7907cc1]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x59d0bf70be71 - std[e4a598c2d7907cc1]::rt::lang_start::<()>
[INFO] [stderr]     32:     0x59d0bf70fa65 - main
[INFO] [stderr]     33:     0x78c35229e1ca - <unknown>
[INFO] [stderr]     34:     0x78c35229e28b - __libc_start_main
[INFO] [stderr]     35:     0x59d0bf70a985 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e51c7c35a341218f2f4bf0d99b19232676a0f2d647760ad0a7d468355a715067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e51c7c35a341218f2f4bf0d99b19232676a0f2d647760ad0a7d468355a715067", kill_on_drop: false }`
[INFO] [stdout] e51c7c35a341218f2f4bf0d99b19232676a0f2d647760ad0a7d468355a715067