[INFO] fetching crate polaris-config 0.1.3...
[INFO] checking polaris-config-0.1.3 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205
[INFO] extracting crate polaris-config 0.1.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate polaris-config 0.1.3
[INFO] finished tweaking crates.io crate polaris-config 0.1.3
[INFO] tweaked toml for crates.io crate polaris-config 0.1.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polaris-config 0.1.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 81 packages to latest compatible versions
[INFO] [stderr]       Adding polaris-specification v0.1.3 (available: v1.5.4)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded prost-build v0.11.9
[INFO] [stderr]   Downloaded prettyplease v0.1.25
[INFO] [stderr]   Downloaded prost-types v0.11.9
[INFO] [stderr]   Downloaded prost v0.11.9
[INFO] [stderr]   Downloaded prost-derive v0.11.9
[INFO] [stderr]   Downloaded polaris-specification v0.1.3
[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] 98894c611f7546d48724dbc57d2243a3ae186a67b934377f0541988fad3f74af
[INFO] running `Command { std: "docker" "start" "-a" "98894c611f7546d48724dbc57d2243a3ae186a67b934377f0541988fad3f74af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98894c611f7546d48724dbc57d2243a3ae186a67b934377f0541988fad3f74af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98894c611f7546d48724dbc57d2243a3ae186a67b934377f0541988fad3f74af", kill_on_drop: false }`
[INFO] [stdout] 98894c611f7546d48724dbc57d2243a3ae186a67b934377f0541988fad3f74af
[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] 410a22c4ffe7c681d0776349b42f0680f81554f5630dd5fa738a2202cd45cf77
[INFO] running `Command { std: "docker" "start" "-a" "410a22c4ffe7c681d0776349b42f0680f81554f5630dd5fa738a2202cd45cf77", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking bytes v1.11.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]    Compiling prost-types v0.11.9
[INFO] [stderr]    Compiling prost-build v0.11.9
[INFO] [stderr]    Compiling polaris-specification v0.1.3
[INFO] [stderr] error: failed to run custom build command for `polaris-specification v0.1.3`
[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/polaris-specification-dc79d318dc840885/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (382) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polaris-specification-0.1.3/build.rs:21:10:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5a3e9af7662a - 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:     0x5a3e9af7662a - 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:     0x5a3e9af7662a - std[e4a598c2d7907cc1]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5a3e9af7662a - <<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:     0x5a3e9af8a1ba - <core[1fe3e66427eb3788]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5a3e9af8a1ba - core[1fe3e66427eb3788]::fmt::write
[INFO] [stderr]      6:     0x5a3e9af7bea2 - 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:     0x5a3e9af7bea2 - <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:     0x5a3e9af594bf - <std[e4a598c2d7907cc1]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5a3e9af594bf - std[e4a598c2d7907cc1]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5a3e9af70c91 - std[e4a598c2d7907cc1]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5a3e9af70f0b - std[e4a598c2d7907cc1]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5a3e9af59578 - std[e4a598c2d7907cc1]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5a3e9af50d09 - 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:     0x5a3e9af59e5d - __rustc[13b91de63b82f5e3]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5a3e9af8a9fc - core[1fe3e66427eb3788]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5a3e9af8a772 - core[1fe3e66427eb3788]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x5a3e9ac93fe6 - build_script_build[31f5a3ff81d97df9]::main
[INFO] [stderr]     18:     0x5a3e9aca05c3 - <fn() -> core[1fe3e66427eb3788]::result::Result<(), std[e4a598c2d7907cc1]::io::error::Error> as core[1fe3e66427eb3788]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x5a3e9ac92d66 - std[e4a598c2d7907cc1]::sys::backtrace::__rust_begin_short_backtrace::<fn() -> core[1fe3e66427eb3788]::result::Result<(), std[e4a598c2d7907cc1]::io::error::Error>, core[1fe3e66427eb3788]::result::Result<(), std[e4a598c2d7907cc1]::io::error::Error>>
[INFO] [stderr]     20:     0x5a3e9ac937c9 - std[e4a598c2d7907cc1]::rt::lang_start::<core[1fe3e66427eb3788]::result::Result<(), std[e4a598c2d7907cc1]::io::error::Error>>::{closure#0}
[INFO] [stderr]     21:     0x5a3e9af6fbf4 - <&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]     22:     0x5a3e9af6fbf4 - 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]     23:     0x5a3e9af6fbf4 - 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]     24:     0x5a3e9af6fbf4 - 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]     25:     0x5a3e9af6fbf4 - std[e4a598c2d7907cc1]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x5a3e9af6fbf4 - 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]     27:     0x5a3e9af6fbf4 - 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]     28:     0x5a3e9af6fbf4 - 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]     29:     0x5a3e9af6fbf4 - std[e4a598c2d7907cc1]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/bbe853615821442ef11d6cd42a30a73432b38d89/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x5a3e9ac928c1 - std[e4a598c2d7907cc1]::rt::lang_start::<core[1fe3e66427eb3788]::result::Result<(), std[e4a598c2d7907cc1]::io::error::Error>>
[INFO] [stderr]     31:     0x5a3e9ac973a5 - main
[INFO] [stderr]     32:     0x7ab28a6ce1ca - <unknown>
[INFO] [stderr]     33:     0x7ab28a6ce28b - __libc_start_main
[INFO] [stderr]     34:     0x5a3e9ac90b85 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "410a22c4ffe7c681d0776349b42f0680f81554f5630dd5fa738a2202cd45cf77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "410a22c4ffe7c681d0776349b42f0680f81554f5630dd5fa738a2202cd45cf77", kill_on_drop: false }`
[INFO] [stdout] 410a22c4ffe7c681d0776349b42f0680f81554f5630dd5fa738a2202cd45cf77