[INFO] fetching crate more-fs 0.2.3...
[INFO] testing more-fs-0.2.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate more-fs 0.2.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate more-fs 0.2.3 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate more-fs 0.2.3
[INFO] finished tweaking crates.io crate more-fs 0.2.3
[INFO] tweaked toml for crates.io crate more-fs 0.2.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 51e820d3722304d9b85a882bcded13d168268e876075ac44e1cb349b3239aa99
[INFO] running `Command { std: "docker" "start" "-a" "51e820d3722304d9b85a882bcded13d168268e876075ac44e1cb349b3239aa99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51e820d3722304d9b85a882bcded13d168268e876075ac44e1cb349b3239aa99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e820d3722304d9b85a882bcded13d168268e876075ac44e1cb349b3239aa99", kill_on_drop: false }`
[INFO] [stdout] 51e820d3722304d9b85a882bcded13d168268e876075ac44e1cb349b3239aa99
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dd364fbb0deeaa1cd7f829aa52aa8402592cbb49e80ee4ad5e83cf9dd58514c
[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" "8dd364fbb0deeaa1cd7f829aa52aa8402592cbb49e80ee4ad5e83cf9dd58514c", kill_on_drop: false }`
[INFO] [stderr]    Compiling more-fs v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `path::PathBuf`, `result`
[INFO] [stdout]  --> src/lib.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{fs, path::PathBuf, result};
[INFO] [stdout]   |               ^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io_error`
[INFO] [stdout]    --> src/error.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let io_error = self.io_error();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_io_error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `recover`
[INFO] [stdout]    --> src/error.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn recover(self, recover_fn: impl Fn() -> Result<()>) -> Error {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `try_in_same_dir`
[INFO] [stdout]  --> src/utils.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn try_in_same_dir(path1: impl AsRef<Path>, path2: impl AsRef<Path>) -> Option<bool> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `in_same_dir`
[INFO] [stdout]   --> src/utils.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn in_same_dir(path1: impl AsRef<Path>, path2: impl AsRef<Path>) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "8dd364fbb0deeaa1cd7f829aa52aa8402592cbb49e80ee4ad5e83cf9dd58514c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd364fbb0deeaa1cd7f829aa52aa8402592cbb49e80ee4ad5e83cf9dd58514c", kill_on_drop: false }`
[INFO] [stdout] 8dd364fbb0deeaa1cd7f829aa52aa8402592cbb49e80ee4ad5e83cf9dd58514c
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b2e131bb22fd2e3053318d0a0c03bc5746d798e7abcfa9477269d29b6eb56a4
[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" "3b2e131bb22fd2e3053318d0a0c03bc5746d798e7abcfa9477269d29b6eb56a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling more-fs v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `path::PathBuf`, `result`
[INFO] [stdout]  --> src/lib.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{fs, path::PathBuf, result};
[INFO] [stdout]   |               ^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io_error`
[INFO] [stdout]    --> src/error.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let io_error = self.io_error();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_io_error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `recover`
[INFO] [stdout]    --> src/error.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn recover(self, recover_fn: impl Fn() -> Result<()>) -> Error {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `try_in_same_dir`
[INFO] [stdout]  --> src/utils.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn try_in_same_dir(path1: impl AsRef<Path>, path2: impl AsRef<Path>) -> Option<bool> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `in_same_dir`
[INFO] [stdout]   --> src/utils.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn in_same_dir(path1: impl AsRef<Path>, path2: impl AsRef<Path>) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test_dir`
[INFO] [stdout]  --> src/tests/general.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use test_dir::{assert_file_contents_eq, assert_paths_exists, fs_fn, join_all};
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `test_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `fs_fn`
[INFO] [stdout]  --> src/tests/general.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | fs_fn! {
[INFO] [stdout]   | ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `fs_fn`
[INFO] [stdout]   --> src/tests/general.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | fs_fn! {
[INFO] [stdout]    | ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `fs_fn`
[INFO] [stdout]   --> src/tests/general.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | fs_fn! {
[INFO] [stdout]    | ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `fs_fn`
[INFO] [stdout]   --> src/tests/general.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | fs_fn! {
[INFO] [stdout]    | ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `fs_fn`
[INFO] [stdout]   --> src/tests/general.rs:57:1
[INFO] [stdout]    |
[INFO] [stdout] 57 | fs_fn! {
[INFO] [stdout]    | ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `fs_fn`
[INFO] [stdout]   --> src/tests/general.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | fs_fn! {
[INFO] [stdout]    | ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `fs_fn`
[INFO] [stdout]   --> src/tests/general.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | fs_fn! {
[INFO] [stdout]    | ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `fs_fn`
[INFO] [stdout]   --> src/tests/general.rs:95:1
[INFO] [stdout]    |
[INFO] [stdout] 95 | fs_fn! {
[INFO] [stdout]    | ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `fs_fn`
[INFO] [stdout]    --> src/tests/general.rs:109:1
[INFO] [stdout]     |
[INFO] [stdout] 109 | fs_fn! {
[INFO] [stdout]     | ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::utils::clone_repo`
[INFO] [stdout]  --> src/tests/general.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::utils::clone_repo;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/tests/utils.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 |     path::{Path, PathBuf},
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `path::PathBuf`, `result`
[INFO] [stdout]  --> src/lib.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{fs, path::PathBuf, result};
[INFO] [stdout]   |               ^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `more-fs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3b2e131bb22fd2e3053318d0a0c03bc5746d798e7abcfa9477269d29b6eb56a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b2e131bb22fd2e3053318d0a0c03bc5746d798e7abcfa9477269d29b6eb56a4", kill_on_drop: false }`
[INFO] [stdout] 3b2e131bb22fd2e3053318d0a0c03bc5746d798e7abcfa9477269d29b6eb56a4