[INFO] crate numtraits 0.0.1 is already in cache [INFO] testing numtraits-0.0.1 against 1.44.0 for beta-1.45-1 [INFO] extracting crate numtraits 0.0.1 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate numtraits 0.0.1 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate numtraits 0.0.1 [INFO] finished tweaking crates.io crate numtraits 0.0.1 [INFO] tweaked toml for crates.io crate numtraits 0.0.1 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2ad904c71a7b54d801a84d7b471375e69a80091066ee04ee3f806bb7c5097551 [INFO] running `"docker" "start" "-a" "2ad904c71a7b54d801a84d7b471375e69a80091066ee04ee3f806bb7c5097551"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling numtraits v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:50:1 [INFO] [stderr] | [INFO] [stderr] 50 | / macro_rules! from_to { [INFO] [stderr] 51 | | ($tr:ident, $f:ident, $t:ident) => { [INFO] [stderr] 52 | | impl $tr<$f> for $t { [INFO] [stderr] 53 | | fn from(x: $f) -> $t { x as $t } [INFO] [stderr] 54 | | } [INFO] [stderr] 55 | | } [INFO] [stderr] 56 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `"docker" "inspect" "2ad904c71a7b54d801a84d7b471375e69a80091066ee04ee3f806bb7c5097551"` [INFO] running `"docker" "rm" "-f" "2ad904c71a7b54d801a84d7b471375e69a80091066ee04ee3f806bb7c5097551"` [INFO] [stdout] 2ad904c71a7b54d801a84d7b471375e69a80091066ee04ee3f806bb7c5097551 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stdout] df457d4f9b2eeba40d8264f102257df6511fa731fbea5c1ecafd0ae30f473a9c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "df457d4f9b2eeba40d8264f102257df6511fa731fbea5c1ecafd0ae30f473a9c"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling numtraits v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:50:1 [INFO] [stderr] | [INFO] [stderr] 50 | / macro_rules! from_to { [INFO] [stderr] 51 | | ($tr:ident, $f:ident, $t:ident) => { [INFO] [stderr] 52 | | impl $tr<$f> for $t { [INFO] [stderr] 53 | | fn from(x: $f) -> $t { x as $t } [INFO] [stderr] 54 | | } [INFO] [stderr] 55 | | } [INFO] [stderr] 56 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:50:1 [INFO] [stderr] | [INFO] [stderr] 50 | / macro_rules! from_to { [INFO] [stderr] 51 | | ($tr:ident, $f:ident, $t:ident) => { [INFO] [stderr] 52 | | impl $tr<$f> for $t { [INFO] [stderr] 53 | | fn from(x: $f) -> $t { x as $t } [INFO] [stderr] 54 | | } [INFO] [stderr] 55 | | } [INFO] [stderr] 56 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `doit` [INFO] [stderr] --> src/lib.rs:121:4 [INFO] [stderr] | [INFO] [stderr] 121 | fn doit>() { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `"docker" "inspect" "df457d4f9b2eeba40d8264f102257df6511fa731fbea5c1ecafd0ae30f473a9c"` [INFO] running `"docker" "rm" "-f" "df457d4f9b2eeba40d8264f102257df6511fa731fbea5c1ecafd0ae30f473a9c"` [INFO] [stdout] df457d4f9b2eeba40d8264f102257df6511fa731fbea5c1ecafd0ae30f473a9c [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fa09d7e9ee15fec71ee7298effbeb53214a7c9267865bca6fba5179e07c9657e [INFO] running `"docker" "start" "-a" "fa09d7e9ee15fec71ee7298effbeb53214a7c9267865bca6fba5179e07c9657e"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:50:1 [INFO] [stderr] | [INFO] [stderr] 50 | / macro_rules! from_to { [INFO] [stderr] 51 | | ($tr:ident, $f:ident, $t:ident) => { [INFO] [stderr] 52 | | impl $tr<$f> for $t { [INFO] [stderr] 53 | | fn from(x: $f) -> $t { x as $t } [INFO] [stderr] 54 | | } [INFO] [stderr] 55 | | } [INFO] [stderr] 56 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/lib.rs:50:1 [INFO] [stderr] | [INFO] [stderr] 50 | / macro_rules! from_to { [INFO] [stderr] 51 | | ($tr:ident, $f:ident, $t:ident) => { [INFO] [stderr] 52 | | impl $tr<$f> for $t { [INFO] [stderr] 53 | | fn from(x: $f) -> $t { x as $t } [INFO] [stderr] 54 | | } [INFO] [stderr] 55 | | } [INFO] [stderr] 56 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `doit` [INFO] [stderr] --> src/lib.rs:121:4 [INFO] [stderr] | [INFO] [stderr] 121 | fn doit>() { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/numtraits-697e0af25e020f60 [INFO] [stderr] Doc-tests numtraits [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lib.rs - (line 43) ... FAILED [INFO] [stdout] test src/lib.rs - (line 4) ... FAILED [INFO] [stdout] test src/lib.rs - (line 18) ... FAILED [INFO] [stdout] test src/lib.rs - (line 32) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 43) stdout ---- [INFO] [stdout] error[E0405]: cannot find trait `UpCastAs` in this scope [INFO] [stdout] --> src/lib.rs:44:15 [INFO] [stdout] | [INFO] [stdout] 3 | fn example>() { [INFO] [stdout] | ^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0405`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 4) stdout ---- [INFO] [stdout] error: comparison operators cannot be chained [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 3 | f64 > f32 > u64 > u32 > u16 > u8 [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = help: use `::<...>` instead of `<...>` to specify type arguments [INFO] [stdout] = help: or use `(...)` if you meant to specify fn arguments [INFO] [stdout] help: split the comparison into two [INFO] [stdout] | [INFO] [stdout] 3 | f64 > f32 && f32 > u64 > u32 > u16 > u8 [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 18) stdout ---- [INFO] [stdout] error[E0405]: cannot find trait `UpCastAs` in this scope [INFO] [stdout] --> src/lib.rs:19:15 [INFO] [stdout] | [INFO] [stdout] 3 | fn example>() { [INFO] [stdout] | ^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `cast` in this scope [INFO] [stdout] --> src/lib.rs:20:16 [INFO] [stdout] | [INFO] [stdout] 4 | let _: T = cast(10u8); [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `cast` in this scope [INFO] [stdout] --> src/lib.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 5 | let _ = cast::(10u8); // Alternate syntax, uglier. [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `cast` in this scope [INFO] [stdout] --> src/lib.rs:22:16 [INFO] [stdout] | [INFO] [stdout] 6 | let _: T = cast(10u16); [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `cast` in this scope [INFO] [stdout] --> src/lib.rs:23:16 [INFO] [stdout] | [INFO] [stdout] 7 | let _: T = cast(10u32); [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `cast` in this scope [INFO] [stdout] --> src/lib.rs:24:16 [INFO] [stdout] | [INFO] [stdout] 8 | let _: T = cast(10u64); // Error, u64 > u32 [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `cast` in this scope [INFO] [stdout] --> src/lib.rs:25:16 [INFO] [stdout] | [INFO] [stdout] 9 | let _: T = cast(10f32); // Error, f32 > u32 [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `cast` in this scope [INFO] [stdout] --> src/lib.rs:26:16 [INFO] [stdout] | [INFO] [stdout] 10 | let _: T = cast(10f64); // Error, f32 > u32 [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0405, E0425. [INFO] [stdout] For more information about an error, try `rustc --explain E0405`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 32) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `UpCastAs` [INFO] [stdout] --> src/lib.rs:34:16 [INFO] [stdout] | [INFO] [stdout] 4 | let _: T = UpCastAs::from(10u8); [INFO] [stdout] | ^^^^^^^^ use of undeclared type or module `UpCastAs` [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `UpCastAs` [INFO] [stdout] --> src/lib.rs:35:16 [INFO] [stdout] | [INFO] [stdout] 5 | let _: T = UpCastAs::from(10u16); [INFO] [stdout] | ^^^^^^^^ use of undeclared type or module `UpCastAs` [INFO] [stdout] [INFO] [stdout] error[E0405]: cannot find trait `UpCastAs` in this scope [INFO] [stdout] --> src/lib.rs:33:15 [INFO] [stdout] | [INFO] [stdout] 3 | fn example>() { [INFO] [stdout] | ^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0405, E0433. [INFO] [stdout] For more information about an error, try `rustc --explain E0405`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 18) [INFO] [stdout] src/lib.rs - (line 32) [INFO] [stdout] src/lib.rs - (line 4) [INFO] [stdout] src/lib.rs - (line 43) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "fa09d7e9ee15fec71ee7298effbeb53214a7c9267865bca6fba5179e07c9657e"` [INFO] running `"docker" "rm" "-f" "fa09d7e9ee15fec71ee7298effbeb53214a7c9267865bca6fba5179e07c9657e"` [INFO] [stdout] fa09d7e9ee15fec71ee7298effbeb53214a7c9267865bca6fba5179e07c9657e