[INFO] fetching crate fileio 0.2.0... [INFO] testing fileio-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1 [INFO] extracting crate fileio 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate fileio 0.2.0 [INFO] finished tweaking crates.io crate fileio 0.2.0 [INFO] tweaked toml for crates.io crate fileio 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fileio 0.2.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate fileio 0.2.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9fe505ce4a978cd3391ee72278ec301f537b877725ec81018c041dc564e952e4 [INFO] running `Command { std: "docker" "start" "-a" "9fe505ce4a978cd3391ee72278ec301f537b877725ec81018c041dc564e952e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9fe505ce4a978cd3391ee72278ec301f537b877725ec81018c041dc564e952e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fe505ce4a978cd3391ee72278ec301f537b877725ec81018c041dc564e952e4", kill_on_drop: false }` [INFO] [stdout] 9fe505ce4a978cd3391ee72278ec301f537b877725ec81018c041dc564e952e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b1d59a476bfa45b567013d3220e57479255f0a597949bd992c47cb6e85eb04e [INFO] running `Command { std: "docker" "start" "-a" "0b1d59a476bfa45b567013d3220e57479255f0a597949bd992c47cb6e85eb04e", kill_on_drop: false }` [INFO] [stderr] Compiling fileio v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `Command { std: "docker" "inspect" "0b1d59a476bfa45b567013d3220e57479255f0a597949bd992c47cb6e85eb04e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b1d59a476bfa45b567013d3220e57479255f0a597949bd992c47cb6e85eb04e", kill_on_drop: false }` [INFO] [stdout] 0b1d59a476bfa45b567013d3220e57479255f0a597949bd992c47cb6e85eb04e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9a88fd037136959661b0df35a58349705f884ce1e4f6d5e59436fe91daabb81b [INFO] running `Command { std: "docker" "start" "-a" "9a88fd037136959661b0df35a58349705f884ce1e4f6d5e59436fe91daabb81b", kill_on_drop: false }` [INFO] [stderr] Compiling fileio v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s [INFO] running `Command { std: "docker" "inspect" "9a88fd037136959661b0df35a58349705f884ce1e4f6d5e59436fe91daabb81b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a88fd037136959661b0df35a58349705f884ce1e4f6d5e59436fe91daabb81b", kill_on_drop: false }` [INFO] [stdout] 9a88fd037136959661b0df35a58349705f884ce1e4f6d5e59436fe91daabb81b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0fef0a0bb04a53aa1f1aacc6de4ef2407a029ada7a54a4132b97def3725185f4 [INFO] running `Command { std: "docker" "start" "-a" "0fef0a0bb04a53aa1f1aacc6de4ef2407a029ada7a54a4132b97def3725185f4", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fileio-14a71c718b1eb8fe) [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] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fileio-8ef08bc3d95cf1e6) [INFO] [stderr] Doc-tests fileio [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] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] [stdout] test src/lib.rs - (line 4) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 4) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (40) panicked at src/lib.rs:8:33: [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: 0x558dcaecfdba - std[e72de78501789eb0]::backtrace_rs::backtrace::libunwind::trace [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x558dcaecfdba - std[e72de78501789eb0]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x558dcaecfdba - std[e72de78501789eb0]::sys::backtrace::_print_fmt [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:74:9 [INFO] [stdout] 3: 0x558dcaecfdba - <::print::DisplayBacktrace as core[6aaeda2c7ad07a48]::fmt::Display>::fmt [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:44:26 [INFO] [stdout] 4: 0x558dcaee03ea - ::fmt [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/fmt/rt.rs:152:76 [INFO] [stdout] 5: 0x558dcaee03ea - core[6aaeda2c7ad07a48]::fmt::write [INFO] [stdout] 6: 0x558dcaed35d2 - std[e72de78501789eb0]::io::default_write_fmt:: [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x558dcaed35d2 - ::write_fmt [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:1994:13 [INFO] [stdout] 8: 0x558dcaebbcdf - ::print [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:47:9 [INFO] [stdout] 9: 0x558dcaebbcdf - std[e72de78501789eb0]::panicking::default_hook::{closure#0} [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:292:27 [INFO] [stdout] 10: 0x558dcaecc361 - std[e72de78501789eb0]::panicking::default_hook [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:319:9 [INFO] [stdout] 11: 0x558dcaecc51b - std[e72de78501789eb0]::panicking::panic_with_hook [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:825:13 [INFO] [stdout] 12: 0x558dcaebbd98 - std[e72de78501789eb0]::panicking::panic_handler::{closure#0} [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:698:13 [INFO] [stdout] 13: 0x558dcaeb3b19 - std[e72de78501789eb0]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:182:18 [INFO] [stdout] 14: 0x558dcaebc57d - __rustc[78a4cf188af856fc]::rust_begin_unwind [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:689:5 [INFO] [stdout] 15: 0x558dcaee0b3c - core[6aaeda2c7ad07a48]::panicking::panic_fmt [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panicking.rs:80:14 [INFO] [stdout] 16: 0x558dcaee08b2 - core[6aaeda2c7ad07a48]::result::unwrap_failed [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/result.rs:1867:5 [INFO] [stdout] 17: 0x558dcae9c3a4 - rust_out[992bb7df40d5d539]::main::_doctest_main_src_lib_rs_4_0 [INFO] [stdout] 18: 0x558dcae9c106 - rust_out[992bb7df40d5d539]::main [INFO] [stdout] 19: 0x558dcae9cb73 - >::call_once [INFO] [stdout] 20: 0x558dcae9c0c6 - std[e72de78501789eb0]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] 21: 0x558dcae9c0d9 - std[e72de78501789eb0]::rt::lang_start::<()>::{closure#0} [INFO] [stdout] 22: 0x558dcaecbae4 - <&dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 23: 0x558dcaecbae4 - std[e72de78501789eb0]::panicking::catch_unwind::do_call::<&dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe, i32> [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:581:40 [INFO] [stdout] 24: 0x558dcaecbae4 - std[e72de78501789eb0]::panicking::catch_unwind:: + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe> [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:544:19 [INFO] [stdout] 25: 0x558dcaecbae4 - std[e72de78501789eb0]::panic::catch_unwind::<&dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe, i32> [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panic.rs:359:14 [INFO] [stdout] 26: 0x558dcaecbae4 - std[e72de78501789eb0]::rt::lang_start_internal::{closure#0} [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/rt.rs:175:24 [INFO] [stdout] 27: 0x558dcaecbae4 - std[e72de78501789eb0]::panicking::catch_unwind::do_call:: [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:581:40 [INFO] [stdout] 28: 0x558dcaecbae4 - std[e72de78501789eb0]::panicking::catch_unwind:: [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:544:19 [INFO] [stdout] 29: 0x558dcaecbae4 - std[e72de78501789eb0]::panic::catch_unwind:: [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x558dcaecbae4 - std[e72de78501789eb0]::rt::lang_start_internal [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/rt.rs:171:5 [INFO] [stdout] 31: 0x558dcae9c0b1 - std[e72de78501789eb0]::rt::lang_start::<()> [INFO] [stdout] 32: 0x558dcae9cbe5 - main [INFO] [stdout] 33: 0x7e5e202661ca - [INFO] [stdout] 34: 0x7e5e2026628b - __libc_start_main [INFO] [stdout] 35: 0x558dcae9be55 - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 4) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0fef0a0bb04a53aa1f1aacc6de4ef2407a029ada7a54a4132b97def3725185f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fef0a0bb04a53aa1f1aacc6de4ef2407a029ada7a54a4132b97def3725185f4", kill_on_drop: false }` [INFO] [stdout] 0fef0a0bb04a53aa1f1aacc6de4ef2407a029ada7a54a4132b97def3725185f4