[INFO] fetching crate see_directory 0.3.1...
[INFO] testing see_directory-0.3.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate see_directory 0.3.1 into /workspace/builds/worker-46/source
[INFO] validating manifest of crates.io crate see_directory 0.3.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate see_directory 0.3.1
[INFO] finished tweaking crates.io crate see_directory 0.3.1
[INFO] tweaked toml for crates.io crate see_directory 0.3.1 written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2c6b8aa2ac4d2cd76e65ff76f7d81b76a46814dd4f7dcaad0ae37162361e628
[INFO] running `Command { std: "docker" "start" "-a" "e2c6b8aa2ac4d2cd76e65ff76f7d81b76a46814dd4f7dcaad0ae37162361e628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2c6b8aa2ac4d2cd76e65ff76f7d81b76a46814dd4f7dcaad0ae37162361e628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c6b8aa2ac4d2cd76e65ff76f7d81b76a46814dd4f7dcaad0ae37162361e628", kill_on_drop: false }`
[INFO] [stdout] e2c6b8aa2ac4d2cd76e65ff76f7d81b76a46814dd4f7dcaad0ae37162361e628
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5282e1e1c10d3f9866a2284514be2474a8997a5df70d09914af65a8a720f0164
[INFO] running `Command { std: "docker" "start" "-a" "5282e1e1c10d3f9866a2284514be2474a8997a5df70d09914af65a8a720f0164", kill_on_drop: false }`
[INFO] [stderr]    Compiling see_directory v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sub` is never read
[INFO] [stdout]   --> src/lib.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 |             let mut sub: Vec<PathBuf> = Vec::new();
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "5282e1e1c10d3f9866a2284514be2474a8997a5df70d09914af65a8a720f0164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5282e1e1c10d3f9866a2284514be2474a8997a5df70d09914af65a8a720f0164", kill_on_drop: false }`
[INFO] [stdout] 5282e1e1c10d3f9866a2284514be2474a8997a5df70d09914af65a8a720f0164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2eae40120144859fabd5319b8ac685e3979c89ed9adfb14144811b90449fbd26
[INFO] running `Command { std: "docker" "start" "-a" "2eae40120144859fabd5319b8ac685e3979c89ed9adfb14144811b90449fbd26", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sub` is never read
[INFO] [stdout]   --> src/lib.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 |             let mut sub: Vec<PathBuf> = Vec::new();
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling see_directory v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sub` is never read
[INFO] [stdout]   --> src/lib.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 |             let mut sub: Vec<PathBuf> = Vec::new();
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "2eae40120144859fabd5319b8ac685e3979c89ed9adfb14144811b90449fbd26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eae40120144859fabd5319b8ac685e3979c89ed9adfb14144811b90449fbd26", kill_on_drop: false }`
[INFO] [stdout] 2eae40120144859fabd5319b8ac685e3979c89ed9adfb14144811b90449fbd26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5dc62d8e6970b3fd2fa1fee87096d2b672608d015ff04f30d13f0ae2e5cb66ac
[INFO] running `Command { std: "docker" "start" "-a" "5dc62d8e6970b3fd2fa1fee87096d2b672608d015ff04f30d13f0ae2e5cb66ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `sub` is never read
[INFO] [stderr]   --> src/lib.rs:15:21
[INFO] [stderr]    |
[INFO] [stderr] 15 |             let mut sub: Vec<PathBuf> = Vec::new();
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `see_directory` (lib) generated 2 warnings
[INFO] [stderr] warning: `see_directory` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/see_directory-222b5afec24d6f17)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests see_directory
[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] running `Command { std: "docker" "inspect" "5dc62d8e6970b3fd2fa1fee87096d2b672608d015ff04f30d13f0ae2e5cb66ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc62d8e6970b3fd2fa1fee87096d2b672608d015ff04f30d13f0ae2e5cb66ac", kill_on_drop: false }`
[INFO] [stdout] 5dc62d8e6970b3fd2fa1fee87096d2b672608d015ff04f30d13f0ae2e5cb66ac