[INFO] fetching crate checked_cast 0.0.3... [INFO] testing checked_cast-0.0.3 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] extracting crate checked_cast 0.0.3 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate checked_cast 0.0.3 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 checked_cast 0.0.3 [INFO] finished tweaking crates.io crate checked_cast 0.0.3 [INFO] tweaked toml for crates.io crate checked_cast 0.0.3 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 7100c7c904eb3014ca37681a2ab2b90315344240c2a7b4070fd58f339ef53f5d [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" "7100c7c904eb3014ca37681a2ab2b90315344240c2a7b4070fd58f339ef53f5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7100c7c904eb3014ca37681a2ab2b90315344240c2a7b4070fd58f339ef53f5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7100c7c904eb3014ca37681a2ab2b90315344240c2a7b4070fd58f339ef53f5d", kill_on_drop: false }` [INFO] [stdout] 7100c7c904eb3014ca37681a2ab2b90315344240c2a7b4070fd58f339ef53f5d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 040aa6e1bc3429413b34b5586ad1c09b177843b7ea4231fc5f62c3eeaf6e56ce [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" "040aa6e1bc3429413b34b5586ad1c09b177843b7ea4231fc5f62c3eeaf6e56ce", kill_on_drop: false }` [INFO] [stderr] Compiling checked_cast v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unknown lint: `unstable` [INFO] [stdout] --> src/lib.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | #![allow(unstable)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unknown_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.16s [INFO] running `Command { std: "docker" "inspect" "040aa6e1bc3429413b34b5586ad1c09b177843b7ea4231fc5f62c3eeaf6e56ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "040aa6e1bc3429413b34b5586ad1c09b177843b7ea4231fc5f62c3eeaf6e56ce", kill_on_drop: false }` [INFO] [stdout] 040aa6e1bc3429413b34b5586ad1c09b177843b7ea4231fc5f62c3eeaf6e56ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 701f9893b25f4a788735335fcae771c8ecfe14ce32819c6c7bb3fff61e1c18b4 [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" "701f9893b25f4a788735335fcae771c8ecfe14ce32819c6c7bb3fff61e1c18b4", kill_on_drop: false }` [INFO] [stdout] warning: unknown lint: `unstable` [INFO] [stdout] --> src/lib.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | #![allow(unstable)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unknown_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling checked_cast v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `unstable` [INFO] [stdout] --> src/lib.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | #![allow(unstable)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unknown_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "701f9893b25f4a788735335fcae771c8ecfe14ce32819c6c7bb3fff61e1c18b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "701f9893b25f4a788735335fcae771c8ecfe14ce32819c6c7bb3fff61e1c18b4", kill_on_drop: false }` [INFO] [stdout] 701f9893b25f4a788735335fcae771c8ecfe14ce32819c6c7bb3fff61e1c18b4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] a89a87df179880a03138035f938f0a92ad81cf91f699eddd14eecf81631aa3e0 [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" "a89a87df179880a03138035f938f0a92ad81cf91f699eddd14eecf81631aa3e0", kill_on_drop: false }` [INFO] [stderr] warning: unknown lint: `unstable` [INFO] [stderr] --> src/lib.rs:3:10 [INFO] [stderr] | [INFO] [stderr] 3 | #![allow(unstable)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unknown_lints)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unknown lint: `unstable` [INFO] [stderr] --> src/lib.rs:3:10 [INFO] [stderr] | [INFO] [stderr] 3 | #![allow(unstable)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unknown_lints)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/checked_cast-a2c66960c71a1874 [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests checked_cast [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 1 test [INFO] [stdout] test src/lib.rs - core (line 7) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - core (line 7) stdout ---- [INFO] [stdout] error: cannot find attribute `should_fail` in this scope [INFO] [stdout] --> src/lib.rs:56:3 [INFO] [stdout] | [INFO] [stdout] 50 | #[should_fail] [INFO] [stdout] | ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `should_panic` [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: could not find `Int` in `num` [INFO] [stdout] --> src/lib.rs:25:40 [INFO] [stdout] | [INFO] [stdout] 19 | let acast: Option = checked_cast!(a, libc::c_ulong); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ could not find `Int` in `num` [INFO] [stdout] | [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: could not find `Int` in `num` [INFO] [stdout] --> src/lib.rs:25:40 [INFO] [stdout] | [INFO] [stdout] 19 | let acast: Option = checked_cast!(a, libc::c_ulong); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ could not find `Int` in `num` [INFO] [stdout] | [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: could not find `Int` in `num` [INFO] [stdout] --> src/lib.rs:34:38 [INFO] [stdout] | [INFO] [stdout] 28 | let bcast: Option = checked_cast!(b, libc::c_int); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ could not find `Int` in `num` [INFO] [stdout] | [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: could not find `Int` in `num` [INFO] [stdout] --> src/lib.rs:34:38 [INFO] [stdout] | [INFO] [stdout] 28 | let bcast: Option = checked_cast!(b, libc::c_int); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ could not find `Int` in `num` [INFO] [stdout] | [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: could not find `Int` in `num` [INFO] [stdout] --> src/lib.rs:42:39 [INFO] [stdout] | [INFO] [stdout] 36 | let ccast: Option = checked_cast!(c, libc::c_uint); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ could not find `Int` in `num` [INFO] [stdout] | [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: could not find `Int` in `num` [INFO] [stdout] --> src/lib.rs:42:39 [INFO] [stdout] | [INFO] [stdout] 36 | let ccast: Option = checked_cast!(c, libc::c_uint); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ could not find `Int` in `num` [INFO] [stdout] | [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: could not find `Int` in `num` [INFO] [stdout] --> src/lib.rs:50:29 [INFO] [stdout] | [INFO] [stdout] 44 | let dcast: Option = checked_cast!(d, u8); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ could not find `Int` in `num` [INFO] [stdout] | [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: could not find `Int` in `num` [INFO] [stdout] --> src/lib.rs:50:29 [INFO] [stdout] | [INFO] [stdout] 44 | let dcast: Option = checked_cast!(d, u8); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ could not find `Int` in `num` [INFO] [stdout] | [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: could not find `Int` in `num` [INFO] [stdout] --> src/lib.rs:60:22 [INFO] [stdout] | [INFO] [stdout] 54 | let ecast: i16 = checked_cast!(e, i16).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ could not find `Int` in `num` [INFO] [stdout] | [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: could not find `Int` in `num` [INFO] [stdout] --> src/lib.rs:60:22 [INFO] [stdout] | [INFO] [stdout] 54 | let ecast: i16 = checked_cast!(e, i16).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ could not find `Int` in `num` [INFO] [stdout] | [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `int` in this scope [INFO] [stdout] --> src/lib.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 43 | let d: int = 2314; [INFO] [stdout] | ^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? [INFO] [stdout] --> src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 9 | extern crate libc; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #27812 for more information [INFO] [stdout] = help: add `#![feature(rustc_private)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? [INFO] [stdout] --> src/lib.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 18 | let a: libc::c_short = -1; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #27812 for more information [INFO] [stdout] = help: add `#![feature(rustc_private)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? [INFO] [stdout] --> src/lib.rs:25:57 [INFO] [stdout] | [INFO] [stdout] 19 | let acast: Option = checked_cast!(a, libc::c_ulong); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #27812 for more information [INFO] [stdout] = help: add `#![feature(rustc_private)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? [INFO] [stdout] --> src/lib.rs:25:23 [INFO] [stdout] | [INFO] [stdout] 19 | let acast: Option = checked_cast!(a, libc::c_ulong); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #27812 for more information [INFO] [stdout] = help: add `#![feature(rustc_private)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? [INFO] [stdout] --> src/lib.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 27 | let b: libc::c_longlong = 235234523; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #27812 for more information [INFO] [stdout] = help: add `#![feature(rustc_private)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? [INFO] [stdout] --> src/lib.rs:34:55 [INFO] [stdout] | [INFO] [stdout] 28 | let bcast: Option = checked_cast!(b, libc::c_int); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #27812 for more information [INFO] [stdout] = help: add `#![feature(rustc_private)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? [INFO] [stdout] --> src/lib.rs:34:23 [INFO] [stdout] | [INFO] [stdout] 28 | let bcast: Option = checked_cast!(b, libc::c_int); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #27812 for more information [INFO] [stdout] = help: add `#![feature(rustc_private)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? [INFO] [stdout] --> src/lib.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 35 | let c: libc::c_short = 0; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #27812 for more information [INFO] [stdout] = help: add `#![feature(rustc_private)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? [INFO] [stdout] --> src/lib.rs:42:56 [INFO] [stdout] | [INFO] [stdout] 36 | let ccast: Option = checked_cast!(c, libc::c_uint); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #27812 for more information [INFO] [stdout] = help: add `#![feature(rustc_private)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? [INFO] [stdout] --> src/lib.rs:42:23 [INFO] [stdout] | [INFO] [stdout] 36 | let ccast: Option = checked_cast!(c, libc::c_uint); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #27812 for more information [INFO] [stdout] = help: add `#![feature(rustc_private)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] error: aborting due to 22 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0412, E0433, E0658. [INFO] [stdout] For more information about an error, try `rustc --explain E0412`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - core (line 7) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 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" "a89a87df179880a03138035f938f0a92ad81cf91f699eddd14eecf81631aa3e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a89a87df179880a03138035f938f0a92ad81cf91f699eddd14eecf81631aa3e0", kill_on_drop: false }` [INFO] [stdout] a89a87df179880a03138035f938f0a92ad81cf91f699eddd14eecf81631aa3e0