[INFO] fetching crate clio 0.1.1... [INFO] testing clio-0.1.1 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] extracting crate clio 0.1.1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate clio 0.1.1 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate clio 0.1.1 [INFO] finished tweaking crates.io crate clio 0.1.1 [INFO] tweaked toml for crates.io crate clio 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d6436b144def4195bdac30db2fab549748711aa8065e1556edc9a421df7255af [INFO] running `Command { std: "docker" "start" "-a" "d6436b144def4195bdac30db2fab549748711aa8065e1556edc9a421df7255af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d6436b144def4195bdac30db2fab549748711aa8065e1556edc9a421df7255af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6436b144def4195bdac30db2fab549748711aa8065e1556edc9a421df7255af", kill_on_drop: false }` [INFO] [stdout] d6436b144def4195bdac30db2fab549748711aa8065e1556edc9a421df7255af [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 91bd35476038f0d84f32a3ce004ee67bca7e5bc89f2f86443b4dba630c7c62ec [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "91bd35476038f0d84f32a3ce004ee67bca7e5bc89f2f86443b4dba630c7c62ec", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling clio v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.66s [INFO] running `Command { std: "docker" "inspect" "91bd35476038f0d84f32a3ce004ee67bca7e5bc89f2f86443b4dba630c7c62ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91bd35476038f0d84f32a3ce004ee67bca7e5bc89f2f86443b4dba630c7c62ec", kill_on_drop: false }` [INFO] [stdout] 91bd35476038f0d84f32a3ce004ee67bca7e5bc89f2f86443b4dba630c7c62ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a1caad027eb184ca4abeaf76554f16d5aa145b53a1c84f0ddb9227d15e614f9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8a1caad027eb184ca4abeaf76554f16d5aa145b53a1c84f0ddb9227d15e614f9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling clio v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.21s [INFO] running `Command { std: "docker" "inspect" "8a1caad027eb184ca4abeaf76554f16d5aa145b53a1c84f0ddb9227d15e614f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a1caad027eb184ca4abeaf76554f16d5aa145b53a1c84f0ddb9227d15e614f9", kill_on_drop: false }` [INFO] [stdout] 8a1caad027eb184ca4abeaf76554f16d5aa145b53a1c84f0ddb9227d15e614f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6aba084f73129afc232a76d97800925a2f92cf4e03030c35758d494958c1b3b8 [INFO] running `Command { std: "docker" "start" "-a" "6aba084f73129afc232a76d97800925a2f92cf4e03030c35758d494958c1b3b8", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/clio-ca01afaf6d4254ba [INFO] [stdout] [INFO] [stderr] Doc-tests clio [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/input.rs - input::Input::len (line 26) ... FAILED [INFO] [stdout] test src/input.rs - input::Input::is_empty (line 42) ... FAILED [INFO] [stdout] test src/lib.rs - (line 7) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/input.rs - input::Input::len (line 26) stdout ---- [INFO] [stdout] error[E0423]: expected function, found macro `assert_eq` [INFO] [stdout] --> src/input.rs:29:1 [INFO] [stdout] | [INFO] [stdout] 6 | assert_eq(Some(0), file.len()); [INFO] [stdout] | ^^^^^^^^^ not a function [INFO] [stdout] | [INFO] [stdout] help: use `!` to invoke the macro [INFO] [stdout] | [INFO] [stdout] 6 | assert_eq!(Some(0), file.len()); [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/input.rs:27:29 [INFO] [stdout] | [INFO] [stdout] 4 | let file = clio::Input::new("foo.txt")?; [INFO] [stdout] | ^^^^^^^^^ expected struct `OsStr`, found `str` [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&OsStr` [INFO] [stdout] found reference `&'static str` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`) [INFO] [stdout] --> src/input.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 3 | / fn main() { [INFO] [stdout] 4 | | let file = clio::Input::new("foo.txt")?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 5 | | [INFO] [stdout] 6 | | assert_eq(Some(0), file.len()); [INFO] [stdout] 7 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Try` is not implemented for `()` [INFO] [stdout] = note: required by `from_error` [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0423. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/input.rs - input::Input::is_empty (line 42) stdout ---- [INFO] [stdout] error[E0423]: expected function, found macro `assert_eq` [INFO] [stdout] --> src/input.rs:45:1 [INFO] [stdout] | [INFO] [stdout] 6 | assert_eq(Some(true), file.is_empty()); [INFO] [stdout] | ^^^^^^^^^ not a function [INFO] [stdout] | [INFO] [stdout] help: use `!` to invoke the macro [INFO] [stdout] | [INFO] [stdout] 6 | assert_eq!(Some(true), file.is_empty()); [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/input.rs:43:29 [INFO] [stdout] | [INFO] [stdout] 4 | let file = clio::Input::new("foo.txt")?; [INFO] [stdout] | ^^^^^^^^^ expected struct `OsStr`, found `str` [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&OsStr` [INFO] [stdout] found reference `&'static str` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`) [INFO] [stdout] --> src/input.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 3 | / fn main() { [INFO] [stdout] 4 | | let file = clio::Input::new("foo.txt")?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 5 | | [INFO] [stdout] 6 | | assert_eq(Some(true), file.is_empty()); [INFO] [stdout] 7 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Try` is not implemented for `()` [INFO] [stdout] = note: required by `from_error` [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0423. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 7) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'index out of bounds: the len is 1 but the index is 1', src/lib.rs:6:37 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55da04120dc0 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55da04120dc0 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55da04120dc0 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55da04120dc0 - ::fmt::h7881e3a580134f9a [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55da0413baec - core::fmt::write::h1857a60b204f1b6a [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/fmt/mod.rs:1078:17 [INFO] [stdout] 5: 0x55da0411e8f2 - std::io::Write::write_fmt::h24485de26f355188 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/io/mod.rs:1519:15 [INFO] [stdout] 6: 0x55da04123285 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55da04123285 - std::sys_common::backtrace::print::hd22ac23fed5071c8 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55da04123285 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55da04122dda - std::panicking::default_hook::hb08853b392b9404b [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55da04123a21 - std::panicking::rust_panic_with_hook::h3624ee29da369ede [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:591:17 [INFO] [stdout] 11: 0x55da04123567 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:497:13 [INFO] [stdout] 12: 0x55da0412127c - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55da041234c9 - rust_begin_unwind [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:493:5 [INFO] [stdout] 14: 0x55da0413ae91 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55da0413ae52 - core::panicking::panic_bounds_check::hec58b3e6eeb445f1 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/panicking.rs:69:5 [INFO] [stdout] 16: 0x55da0410c5a8 - >::index::hfbace2cd719f4f41 [INFO] [stdout] 17: 0x55da0410a2e3 - core::slice::index:: for [T]>::index::hf394e1d7041c3eb9 [INFO] [stdout] 18: 0x55da0410c6b7 - as core::ops::index::Index>::index::h8d772e102d24d13e [INFO] [stdout] 19: 0x55da0410cc9d - rust_out::main::h110bee8b69eb2480 [INFO] [stdout] 20: 0x55da04109056 - core::ops::function::FnOnce::call_once::h6e8c1d3113302304 [INFO] [stdout] 21: 0x55da04108479 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc5656db5d84af68a [INFO] [stdout] 22: 0x55da0410898c - std::rt::lang_start::{{closure}}::h3ef794dc50aa1ab8 [INFO] [stdout] 23: 0x55da04123e47 - core::ops::function::impls:: for &F>::call_once::h194d6aa01fb6b594 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x55da04123e47 - std::panicking::try::do_call::h4ef477456776cccb [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:379:40 [INFO] [stdout] 25: 0x55da04123e47 - std::panicking::try::h7f2121b6bb3bbca4 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:343:19 [INFO] [stdout] 26: 0x55da04123e47 - std::panic::catch_unwind::he974d0ca04309948 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:396:14 [INFO] [stdout] 27: 0x55da04123e47 - std::rt::lang_start_internal::h36e9e78490120b9f [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/rt.rs:51:25 [INFO] [stdout] 28: 0x55da04108968 - std::rt::lang_start::h38ba09d8fbfac7de [INFO] [stdout] 29: 0x55da0410cfbb - main [INFO] [stdout] 30: 0x7f03ba3a60b3 - __libc_start_main [INFO] [stdout] 31: 0x55da041080ae - _start [INFO] [stdout] 32: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/input.rs - input::Input::is_empty (line 42) [INFO] [stdout] src/input.rs - input::Input::len (line 26) [INFO] [stdout] src/lib.rs - (line 7) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "6aba084f73129afc232a76d97800925a2f92cf4e03030c35758d494958c1b3b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6aba084f73129afc232a76d97800925a2f92cf4e03030c35758d494958c1b3b8", kill_on_drop: false }` [INFO] [stdout] 6aba084f73129afc232a76d97800925a2f92cf4e03030c35758d494958c1b3b8