[INFO] fetching crate qesp 0.2.4... [INFO] testing qesp-0.2.4 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate qesp 0.2.4 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate qesp 0.2.4 [INFO] finished tweaking crates.io crate qesp 0.2.4 [INFO] tweaked toml for crates.io crate qesp 0.2.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate qesp 0.2.4 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate qesp 0.2.4 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn-mid v0.5.0 [INFO] [stderr] Downloaded structopt v0.3.12 [INFO] [stderr] Downloaded quote v1.0.3 [INFO] [stderr] Downloaded proc-macro-error-attr v0.4.11 [INFO] [stderr] Downloaded version_check v0.9.1 [INFO] [stderr] Downloaded structopt-derive v0.4.5 [INFO] [stderr] Downloaded proc-macro-error v0.4.11 [INFO] [stderr] Downloaded syn v1.0.17 [INFO] [stderr] Downloaded regex v1.3.6 [INFO] [stderr] Downloaded libc v0.2.68 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1d9fe9945ece91a372820fbe9167055af14aa03b3c0195a0aa1d7d478aa61773 [INFO] running `Command { std: "docker" "start" "-a" "1d9fe9945ece91a372820fbe9167055af14aa03b3c0195a0aa1d7d478aa61773", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d9fe9945ece91a372820fbe9167055af14aa03b3c0195a0aa1d7d478aa61773", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d9fe9945ece91a372820fbe9167055af14aa03b3c0195a0aa1d7d478aa61773", kill_on_drop: false }` [INFO] [stdout] 1d9fe9945ece91a372820fbe9167055af14aa03b3c0195a0aa1d7d478aa61773 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e7f6fa545bb73b515f6cd7a8f3e8bdc2f06404831e516be502ca12edb3bbb382 [INFO] running `Command { std: "docker" "start" "-a" "e7f6fa545bb73b515f6cd7a8f3e8bdc2f06404831e516be502ca12edb3bbb382", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.11 [INFO] [stderr] Compiling proc-macro-error v0.4.11 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling regex v1.3.6 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling structopt-derive v0.4.5 [INFO] [stderr] Compiling structopt v0.3.12 [INFO] [stderr] Compiling qesp v0.2.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.21s [INFO] running `Command { std: "docker" "inspect" "e7f6fa545bb73b515f6cd7a8f3e8bdc2f06404831e516be502ca12edb3bbb382", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7f6fa545bb73b515f6cd7a8f3e8bdc2f06404831e516be502ca12edb3bbb382", kill_on_drop: false }` [INFO] [stdout] e7f6fa545bb73b515f6cd7a8f3e8bdc2f06404831e516be502ca12edb3bbb382 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1eb93ea8ec66c40e8693e33b0402c03fdf5f7ad8750aac9f460b7464a15c32c5 [INFO] running `Command { std: "docker" "start" "-a" "1eb93ea8ec66c40e8693e33b0402c03fdf5f7ad8750aac9f460b7464a15c32c5", kill_on_drop: false }` [INFO] [stderr] Compiling qesp v0.2.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "1eb93ea8ec66c40e8693e33b0402c03fdf5f7ad8750aac9f460b7464a15c32c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1eb93ea8ec66c40e8693e33b0402c03fdf5f7ad8750aac9f460b7464a15c32c5", kill_on_drop: false }` [INFO] [stdout] 1eb93ea8ec66c40e8693e33b0402c03fdf5f7ad8750aac9f460b7464a15c32c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 255e10704e455276cd0bdc97c98c2d4215b407403f44b1b0ca95fbb1bd723aaa [INFO] running `Command { std: "docker" "start" "-a" "255e10704e455276cd0bdc97c98c2d4215b407403f44b1b0ca95fbb1bd723aaa", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/qesp-bfb1112746479a9e) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::trim_a_line ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/qesp-84698d725b40a665) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests qesp [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - run (line 35) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - run (line 35) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (41) panicked at src/lib.rs:10:67: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5959ea7c4fba - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5959ea7c4fba - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5959ea7c4fba - std[31e582c13f4e914f]::sys::backtrace::_print_fmt [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9 [INFO] [stdout] 3: 0x5959ea7c4fba - <::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26 [INFO] [stdout] 4: 0x5959ea7d6f6a - ::fmt [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76 [INFO] [stdout] 5: 0x5959ea7d6f6a - core[fa0eadad68403074]::fmt::write [INFO] [stdout] 6: 0x5959ea7c8ac2 - std[31e582c13f4e914f]::io::default_write_fmt:: [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5959ea7c8ac2 - ::write_fmt [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13 [INFO] [stdout] 8: 0x5959ea7af6bf - ::print [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9 [INFO] [stdout] 9: 0x5959ea7af6bf - std[31e582c13f4e914f]::panicking::default_hook::{closure#0} [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27 [INFO] [stdout] 10: 0x5959ea7c0b51 - std[31e582c13f4e914f]::panicking::default_hook [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:319:9 [INFO] [stdout] 11: 0x5959ea7c0d0b - std[31e582c13f4e914f]::panicking::panic_with_hook [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:825:13 [INFO] [stdout] 12: 0x5959ea7af778 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0} [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13 [INFO] [stdout] 13: 0x5959ea7a4a99 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18 [INFO] [stdout] 14: 0x5959ea7b011d - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5 [INFO] [stdout] 15: 0x5959ea7d772c - core[fa0eadad68403074]::panicking::panic_fmt [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14 [INFO] [stdout] 16: 0x5959ea7d74a2 - core[fa0eadad68403074]::result::unwrap_failed [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5 [INFO] [stdout] 17: 0x5959ea64462e - rust_out[6ca516bbe19c3985]::main::_doctest_main_src_lib_rs_35_0 [INFO] [stdout] 18: 0x5959ea644596 - rust_out[6ca516bbe19c3985]::main [INFO] [stdout] 19: 0x5959ea644cf3 - >::call_once [INFO] [stdout] 20: 0x5959ea644556 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] 21: 0x5959ea644569 - std[31e582c13f4e914f]::rt::lang_start::<()>::{closure#0} [INFO] [stdout] 22: 0x5959ea7c02d4 - <&dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 23: 0x5959ea7c02d4 - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<&dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe, i32> [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40 [INFO] [stdout] 24: 0x5959ea7c02d4 - std[31e582c13f4e914f]::panicking::catch_unwind:: + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe> [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19 [INFO] [stdout] 25: 0x5959ea7c02d4 - std[31e582c13f4e914f]::panic::catch_unwind::<&dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe, i32> [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14 [INFO] [stdout] 26: 0x5959ea7c02d4 - std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0} [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:175:24 [INFO] [stdout] 27: 0x5959ea7c02d4 - std[31e582c13f4e914f]::panicking::catch_unwind::do_call:: [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40 [INFO] [stdout] 28: 0x5959ea7c02d4 - std[31e582c13f4e914f]::panicking::catch_unwind:: [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19 [INFO] [stdout] 29: 0x5959ea7c02d4 - std[31e582c13f4e914f]::panic::catch_unwind:: [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x5959ea7c02d4 - std[31e582c13f4e914f]::rt::lang_start_internal [INFO] [stdout] at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:171:5 [INFO] [stdout] 31: 0x5959ea6444d1 - std[31e582c13f4e914f]::rt::lang_start::<()> [INFO] [stdout] 32: 0x5959ea644d55 - main [INFO] [stdout] 33: 0x7a5804c021ca - [INFO] [stdout] 34: 0x7a5804c0228b - __libc_start_main [INFO] [stdout] 35: 0x5959ea644285 - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - run (line 35) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "255e10704e455276cd0bdc97c98c2d4215b407403f44b1b0ca95fbb1bd723aaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "255e10704e455276cd0bdc97c98c2d4215b407403f44b1b0ca95fbb1bd723aaa", kill_on_drop: false }` [INFO] [stdout] 255e10704e455276cd0bdc97c98c2d4215b407403f44b1b0ca95fbb1bd723aaa