[INFO] cloning repository https://github.com/andreasjansson/cctr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andreasjansson/cctr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreasjansson%2Fcctr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreasjansson%2Fcctr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f49bc9a4727cd63a57ee73afe1ed92b298848db
[INFO] checking andreasjansson/cctr/9f49bc9a4727cd63a57ee73afe1ed92b298848db against master#2972b5e59f1c5529b6ba770437812fd83ab4ebd4 for pr-154781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreasjansson%2Fcctr" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/andreasjansson/cctr
[INFO] finished tweaking git repo https://github.com/andreasjansson/cctr
[INFO] tweaked toml for git repo https://github.com/andreasjansson/cctr written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/andreasjansson/cctr on toolchain 2972b5e59f1c5529b6ba770437812fd83ab4ebd4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2972b5e59f1c5529b6ba770437812fd83ab4ebd4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/andreasjansson/cctr 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" "+2972b5e59f1c5529b6ba770437812fd83ab4ebd4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2972b5e59f1c5529b6ba770437812fd83ab4ebd4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23da37994e68770070bb8059a72bc5c456c4db4658f497e9fa7d06886bafac9d
[INFO] running `Command { std: "docker" "start" "-a" "23da37994e68770070bb8059a72bc5c456c4db4658f497e9fa7d06886bafac9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23da37994e68770070bb8059a72bc5c456c4db4658f497e9fa7d06886bafac9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23da37994e68770070bb8059a72bc5c456c4db4658f497e9fa7d06886bafac9d", kill_on_drop: false }`
[INFO] [stdout] 23da37994e68770070bb8059a72bc5c456c4db4658f497e9fa7d06886bafac9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2972b5e59f1c5529b6ba770437812fd83ab4ebd4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95cf046d5e0adcc70a4cbb64d8e222ebc41c15961523ae573b074b788c07834d
[INFO] running `Command { std: "docker" "start" "-a" "95cf046d5e0adcc70a4cbb64d8e222ebc41c15961523ae573b074b788c07834d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.179
[INFO] [stderr]    Compiling syn v2.0.113
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking winnow v0.6.26
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking vte v0.14.1
[INFO] [stderr]    Compiling cctr v0.31.0 (/opt/rustwide/workdir/crates/cctr)
[INFO] [stderr]     Checking float-cmp v0.10.0
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling assert_cmd v2.1.1
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr] error: failed to run custom build command for `cctr v0.31.0 (/opt/rustwide/workdir/crates/cctr)`
[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/cctr-aa0dc4940e04a171/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo::rerun-if-changed=/opt/rustwide/workdir/crates/cctr/../../README.md
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (141) panicked at crates/cctr/build.rs:20:39:
[INFO] [stderr]   Failed to write README-crates.md: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x605de5c1930a - std[de416e893de1faf9]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x605de5c1930a - std[de416e893de1faf9]::backtrace_rs::backtrace::trace_unsynchronized::<std[de416e893de1faf9]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x605de5c1930a - std[de416e893de1faf9]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x605de5c1930a - <<std[de416e893de1faf9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[9f8d6771964fc20c]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x605de5c29e5a - <core[9f8d6771964fc20c]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x605de5c29e5a - core[9f8d6771964fc20c]::fmt::write
[INFO] [stderr]      6:     0x605de5c1d032 - std[de416e893de1faf9]::io::default_write_fmt::<std[de416e893de1faf9]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x605de5c1d032 - <std[de416e893de1faf9]::sys::stdio::unix::Stderr as std[de416e893de1faf9]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x605de5c0477f - <std[de416e893de1faf9]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x605de5c0477f - std[de416e893de1faf9]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x605de5c150b1 - std[de416e893de1faf9]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x605de5c1526b - std[de416e893de1faf9]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x605de5c04838 - std[de416e893de1faf9]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x605de5bfc339 - std[de416e893de1faf9]::sys::backtrace::__rust_end_short_backtrace::<std[de416e893de1faf9]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x605de5c0509d - __rustc[5b7e1576be862841]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x605de5c2a54c - core[9f8d6771964fc20c]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x605de5c2a322 - core[9f8d6771964fc20c]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x605de5beb050 - <core[9f8d6771964fc20c]::result::Result<(), std[de416e893de1faf9]::io::error::Error>>::expect
[INFO] [stderr]     18:     0x605de5beabbd - build_script_build[99ef183b9d9d1d60]::main
[INFO] [stderr]     19:     0x605de5be9c23 - <fn() as core[9f8d6771964fc20c]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     20:     0x605de5be87a6 - std[de416e893de1faf9]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     21:     0x605de5bea6a9 - std[de416e893de1faf9]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     22:     0x605de5c146f4 - <&dyn core[9f8d6771964fc20c]::ops::function::Fn<(), Output = i32> + core[9f8d6771964fc20c]::marker::Sync + core[9f8d6771964fc20c]::panic::unwind_safe::RefUnwindSafe as core[9f8d6771964fc20c]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x605de5c146f4 - std[de416e893de1faf9]::panicking::catch_unwind::do_call::<&dyn core[9f8d6771964fc20c]::ops::function::Fn<(), Output = i32> + core[9f8d6771964fc20c]::marker::Sync + core[9f8d6771964fc20c]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/std/src/panicking.rs:581:40
[INFO] [stderr]     24:     0x605de5c146f4 - std[de416e893de1faf9]::panicking::catch_unwind::<i32, &dyn core[9f8d6771964fc20c]::ops::function::Fn<(), Output = i32> + core[9f8d6771964fc20c]::marker::Sync + core[9f8d6771964fc20c]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/std/src/panicking.rs:544:19
[INFO] [stderr]     25:     0x605de5c146f4 - std[de416e893de1faf9]::panic::catch_unwind::<&dyn core[9f8d6771964fc20c]::ops::function::Fn<(), Output = i32> + core[9f8d6771964fc20c]::marker::Sync + core[9f8d6771964fc20c]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x605de5c146f4 - std[de416e893de1faf9]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x605de5c146f4 - std[de416e893de1faf9]::panicking::catch_unwind::do_call::<std[de416e893de1faf9]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/std/src/panicking.rs:581:40
[INFO] [stderr]     28:     0x605de5c146f4 - std[de416e893de1faf9]::panicking::catch_unwind::<isize, std[de416e893de1faf9]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/std/src/panicking.rs:544:19
[INFO] [stderr]     29:     0x605de5c146f4 - std[de416e893de1faf9]::panic::catch_unwind::<std[de416e893de1faf9]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x605de5c146f4 - std[de416e893de1faf9]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/2972b5e59f1c5529b6ba770437812fd83ab4ebd4/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x605de5be9f11 - std[de416e893de1faf9]::rt::lang_start::<()>
[INFO] [stderr]     32:     0x605de5bec705 - main
[INFO] [stderr]     33:     0x7a2a3fb091ca - <unknown>
[INFO] [stderr]     34:     0x7a2a3fb0928b - __libc_start_main
[INFO] [stderr]     35:     0x605de5be70a5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "95cf046d5e0adcc70a4cbb64d8e222ebc41c15961523ae573b074b788c07834d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95cf046d5e0adcc70a4cbb64d8e222ebc41c15961523ae573b074b788c07834d", kill_on_drop: false }`
[INFO] [stdout] 95cf046d5e0adcc70a4cbb64d8e222ebc41c15961523ae573b074b788c07834d