[INFO] fetching crate cargo-install-latest 0.1.0...
[INFO] testing cargo-install-latest-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate cargo-install-latest 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate cargo-install-latest 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-install-latest 0.1.0
[INFO] finished tweaking crates.io crate cargo-install-latest 0.1.0
[INFO] tweaked toml for crates.io crate cargo-install-latest 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8a430f02c9d5c11268ef8f938ca29bcb7306ca92abe7be579bd12ff4e9d8c91
[INFO] running `Command { std: "docker" "start" "-a" "d8a430f02c9d5c11268ef8f938ca29bcb7306ca92abe7be579bd12ff4e9d8c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8a430f02c9d5c11268ef8f938ca29bcb7306ca92abe7be579bd12ff4e9d8c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8a430f02c9d5c11268ef8f938ca29bcb7306ca92abe7be579bd12ff4e9d8c91", kill_on_drop: false }`
[INFO] [stdout] d8a430f02c9d5c11268ef8f938ca29bcb7306ca92abe7be579bd12ff4e9d8c91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f3506cda3212b3ada3f6e3d3d214802ef723449fb4ffbd47de41fc08db341d3
[INFO] running `Command { std: "docker" "start" "-a" "4f3506cda3212b3ada3f6e3d3d214802ef723449fb4ffbd47de41fc08db341d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling cargo-install-latest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `fs` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |     use std::fs;
[INFO] [stdout]    |         ------- the item `fs` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 97 |         use std::fs;
[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 3.10s
[INFO] running `Command { std: "docker" "inspect" "4f3506cda3212b3ada3f6e3d3d214802ef723449fb4ffbd47de41fc08db341d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f3506cda3212b3ada3f6e3d3d214802ef723449fb4ffbd47de41fc08db341d3", kill_on_drop: false }`
[INFO] [stdout] 4f3506cda3212b3ada3f6e3d3d214802ef723449fb4ffbd47de41fc08db341d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f187a712c96cac90038b7bae4ad7f893bc45a883fec986d787d7ba039cfae481
[INFO] running `Command { std: "docker" "start" "-a" "f187a712c96cac90038b7bae4ad7f893bc45a883fec986d787d7ba039cfae481", kill_on_drop: false }`
[INFO] [stdout] warning: the item `fs` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |     use std::fs;
[INFO] [stdout]    |         ------- the item `fs` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 97 |         use std::fs;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cargo-install-latest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `fs` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |     use std::fs;
[INFO] [stdout]    |         ------- the item `fs` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 97 |         use std::fs;
[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 test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/cargo_install_latest-b8ba0280693ea625)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_install_latest-e85e3339f250e4b8)
[INFO] running `Command { std: "docker" "inspect" "f187a712c96cac90038b7bae4ad7f893bc45a883fec986d787d7ba039cfae481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f187a712c96cac90038b7bae4ad7f893bc45a883fec986d787d7ba039cfae481", kill_on_drop: false }`
[INFO] [stdout] f187a712c96cac90038b7bae4ad7f893bc45a883fec986d787d7ba039cfae481
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9cfacf5b5b52308b1573c1d5adfc4b9dbedf395d0811230a2e7893e0f289d1ab
[INFO] running `Command { std: "docker" "start" "-a" "9cfacf5b5b52308b1573c1d5adfc4b9dbedf395d0811230a2e7893e0f289d1ab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: the item `fs` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |     use std::fs;
[INFO] [stderr]    |         ------- the item `fs` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 97 |         use std::fs;
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cargo-install-latest` (lib) generated 1 warning
[INFO] [stderr] warning: `cargo-install-latest` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cargo_install_latest-b8ba0280693ea625)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_install_latest-e85e3339f250e4b8)
[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 cargo-install-latest
[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] [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" "9cfacf5b5b52308b1573c1d5adfc4b9dbedf395d0811230a2e7893e0f289d1ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cfacf5b5b52308b1573c1d5adfc4b9dbedf395d0811230a2e7893e0f289d1ab", kill_on_drop: false }`
[INFO] [stdout] 9cfacf5b5b52308b1573c1d5adfc4b9dbedf395d0811230a2e7893e0f289d1ab