[INFO] cloning repository https://github.com/r4gus/greasy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/r4gus/greasy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr4gus%2Fgreasy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr4gus%2Fgreasy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d04f11e6f70093cae207028809d9cdb2143acd56 [INFO] testing r4gus/greasy against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr4gus%2Fgreasy" "/workspace/builds/worker-45/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-45/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/r4gus/greasy on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/r4gus/greasy [INFO] finished tweaking git repo https://github.com/r4gus/greasy [INFO] tweaked toml for git repo https://github.com/r4gus/greasy written to /workspace/builds/worker-45/source/Cargo.toml [INFO] crate git repo https://github.com/r4gus/greasy already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4fa9a3ecc3460446ab286f19b969ac01cfa9b1d84b68327f1965453933949ddf [INFO] running `Command { std: "docker" "start" "-a" "4fa9a3ecc3460446ab286f19b969ac01cfa9b1d84b68327f1965453933949ddf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4fa9a3ecc3460446ab286f19b969ac01cfa9b1d84b68327f1965453933949ddf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fa9a3ecc3460446ab286f19b969ac01cfa9b1d84b68327f1965453933949ddf", kill_on_drop: false }` [INFO] [stdout] 4fa9a3ecc3460446ab286f19b969ac01cfa9b1d84b68327f1965453933949ddf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a678d1cf580dc68853a23181196ec0c6fa1c92e9082b93336ca70df10c9a8ff [INFO] running `Command { std: "docker" "start" "-a" "8a678d1cf580dc68853a23181196ec0c6fa1c92e9082b93336ca70df10c9a8ff", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ascii v1.0.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling greasy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ffi::CString` [INFO] [stdout] --> src/formats/fat_entry.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | ffi::CString, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sector_to_cluster` [INFO] [stdout] --> src/formats/fat.rs:110:8 [INFO] [stdout] | [INFO] [stdout] 110 | fn sector_to_cluster(&self, sector: &Sector) -> Cluster { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SubCommand` [INFO] [stdout] --> src/main.rs:6:22 [INFO] [stdout] | [INFO] [stdout] 6 | use clap::{Arg, App, SubCommand}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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 21.77s [INFO] running `Command { std: "docker" "inspect" "8a678d1cf580dc68853a23181196ec0c6fa1c92e9082b93336ca70df10c9a8ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a678d1cf580dc68853a23181196ec0c6fa1c92e9082b93336ca70df10c9a8ff", kill_on_drop: false }` [INFO] [stdout] 8a678d1cf580dc68853a23181196ec0c6fa1c92e9082b93336ca70df10c9a8ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c4a1354315a3d96a7fd62390e1b72c541104647b67b1a11ac7d391aa73e58c2d [INFO] running `Command { std: "docker" "start" "-a" "c4a1354315a3d96a7fd62390e1b72c541104647b67b1a11ac7d391aa73e58c2d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: unused import: `ffi::CString` [INFO] [stdout] --> src/formats/fat_entry.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | ffi::CString, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sector_to_cluster` [INFO] [stdout] --> src/formats/fat.rs:110:8 [INFO] [stdout] | [INFO] [stdout] 110 | fn sector_to_cluster(&self, sector: &Sector) -> Cluster { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling greasy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `SubCommand` [INFO] [stdout] --> src/main.rs:6:22 [INFO] [stdout] | [INFO] [stdout] 6 | use clap::{Arg, App, SubCommand}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ffi::CString` [INFO] [stdout] --> src/formats/fat_entry.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | ffi::CString, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sector_to_cluster` [INFO] [stdout] --> src/formats/fat.rs:110:8 [INFO] [stdout] | [INFO] [stdout] 110 | fn sector_to_cluster(&self, sector: &Sector) -> Cluster { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.54s [INFO] running `Command { std: "docker" "inspect" "c4a1354315a3d96a7fd62390e1b72c541104647b67b1a11ac7d391aa73e58c2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4a1354315a3d96a7fd62390e1b72c541104647b67b1a11ac7d391aa73e58c2d", kill_on_drop: false }` [INFO] [stdout] c4a1354315a3d96a7fd62390e1b72c541104647b67b1a11ac7d391aa73e58c2d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c7282fb912eff648dfa3b50460607e8043dab661364d5b99829dd338d0dac569 [INFO] running `Command { std: "docker" "start" "-a" "c7282fb912eff648dfa3b50460607e8043dab661364d5b99829dd338d0dac569", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `ffi::CString` [INFO] [stderr] --> src/formats/fat_entry.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | ffi::CString, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `sector_to_cluster` [INFO] [stderr] --> src/formats/fat.rs:110:8 [INFO] [stderr] | [INFO] [stderr] 110 | fn sector_to_cluster(&self, sector: &Sector) -> Cluster { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `greasy` (lib) generated 2 warnings [INFO] [stderr] warning: `greasy` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: unused import: `SubCommand` [INFO] [stderr] --> src/main.rs:6:22 [INFO] [stderr] | [INFO] [stderr] 6 | use clap::{Arg, App, SubCommand}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `greasy` (bin "greasy" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/greasy-b604afebe8a57753) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/greasy-97b991852e11db7a) [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 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 greasy [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/formats/fat_entry.rs - formats::fat_entry::Entry::checksum (line 76) ... FAILED [INFO] [stdout] test src/formats/fat.rs - formats::fat::Fat::new (line 202) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/formats/fat_entry.rs - formats::fat_entry::Entry::checksum (line 76) stdout ---- [INFO] [stdout] error[E0603]: struct `Entry` is private [INFO] [stdout] --> src/formats/fat_entry.rs:77:27 [INFO] [stdout] | [INFO] [stdout] 4 | use greasy::formats::fat::Entry; [INFO] [stdout] | ^^^^^ private struct [INFO] [stdout] | [INFO] [stdout] note: the struct `Entry` is defined here [INFO] [stdout] --> /opt/rustwide/workdir/src/formats/fat.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use super::fat_entry::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0603`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/formats/fat.rs - formats::fat::Fat::new (line 202) stdout ---- [INFO] [stdout] error[E0432]: unresolved import `MmapOptions` [INFO] [stdout] --> src/formats/fat.rs:204:5 [INFO] [stdout] | [INFO] [stdout] 5 | use MmapOptions; [INFO] [stdout] | ^^^^^^^^^^^ no external crate `MmapOptions` [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 `FromResidual`) [INFO] [stdout] --> src/formats/fat.rs:207:35 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_formats_fat_rs_202_0() { [INFO] [stdout] | ______________________________________- [INFO] [stdout] 4 | | use greasy::formats::fat; [INFO] [stdout] 5 | | use MmapOptions; [INFO] [stdout] 6 | | use std::fs::File; [INFO] [stdout] 7 | | [INFO] [stdout] 8 | | let file = File::open("fat-16.dd")?; // open a fat volume [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 11 | | let fat = fat::Fat::new(mem); // create a new Fat object [INFO] [stdout] 12 | | } _doctest_main_src_formats_fat_rs_202_0() } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `()` [INFO] [stdout] note: required by `from_residual` [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 `FromResidual`) [INFO] [stdout] --> src/formats/fat.rs:208:49 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_formats_fat_rs_202_0() { [INFO] [stdout] | ______________________________________- [INFO] [stdout] 4 | | use greasy::formats::fat; [INFO] [stdout] 5 | | use MmapOptions; [INFO] [stdout] 6 | | use std::fs::File; [INFO] [stdout] ... | [INFO] [stdout] 9 | | let mem = unsafe { MmapOptions::new().map(&file)? }; // map the volume into memory [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 10 | | [INFO] [stdout] 11 | | let fat = fat::Fat::new(mem); // create a new Fat object [INFO] [stdout] 12 | | } _doctest_main_src_formats_fat_rs_202_0() } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual<_>` is not implemented for `()` [INFO] [stdout] note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0432. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/formats/fat.rs - formats::fat::Fat::new (line 202) [INFO] [stdout] src/formats/fat_entry.rs - formats::fat_entry::Entry::checksum (line 76) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "c7282fb912eff648dfa3b50460607e8043dab661364d5b99829dd338d0dac569", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7282fb912eff648dfa3b50460607e8043dab661364d5b99829dd338d0dac569", kill_on_drop: false }` [INFO] [stdout] c7282fb912eff648dfa3b50460607e8043dab661364d5b99829dd338d0dac569