[INFO] fetching crate cachedir 0.2.0...
[INFO] testing cachedir-0.2.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate cachedir 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cachedir 0.2.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cachedir 0.2.0
[INFO] finished tweaking crates.io crate cachedir 0.2.0
[INFO] tweaked toml for crates.io crate cachedir 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e88ee89b67b381fd116062b4feae8bbf27ea9e7625ea346aa925431a6ebd664
[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" "6e88ee89b67b381fd116062b4feae8bbf27ea9e7625ea346aa925431a6ebd664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e88ee89b67b381fd116062b4feae8bbf27ea9e7625ea346aa925431a6ebd664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e88ee89b67b381fd116062b4feae8bbf27ea9e7625ea346aa925431a6ebd664", kill_on_drop: false }`
[INFO] [stdout] 6e88ee89b67b381fd116062b4feae8bbf27ea9e7625ea346aa925431a6ebd664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd9c4cf85287bee58ff156e36d4f3cf1be87178ed04417dd528bb019f9ec2ae0
[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" "fd9c4cf85287bee58ff156e36d4f3cf1be87178ed04417dd528bb019f9ec2ae0", kill_on_drop: false }`
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling cachedir v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]   --> src/lib.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::{env, fs, io, path, thread};
[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 1.26s
[INFO] running `Command { std: "docker" "inspect" "fd9c4cf85287bee58ff156e36d4f3cf1be87178ed04417dd528bb019f9ec2ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9c4cf85287bee58ff156e36d4f3cf1be87178ed04417dd528bb019f9ec2ae0", kill_on_drop: false }`
[INFO] [stdout] fd9c4cf85287bee58ff156e36d4f3cf1be87178ed04417dd528bb019f9ec2ae0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cd698e83eec644635fa675945d6f60af52752125e05f7c0692d12c40c7bed99
[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" "3cd698e83eec644635fa675945d6f60af52752125e05f7c0692d12c40c7bed99", kill_on_drop: false }`
[INFO] [stderr]    Compiling cachedir v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]   --> src/lib.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::{env, fs, io, path, thread};
[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 1.34s
[INFO] running `Command { std: "docker" "inspect" "3cd698e83eec644635fa675945d6f60af52752125e05f7c0692d12c40c7bed99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cd698e83eec644635fa675945d6f60af52752125e05f7c0692d12c40c7bed99", kill_on_drop: false }`
[INFO] [stdout] 3cd698e83eec644635fa675945d6f60af52752125e05f7c0692d12c40c7bed99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", 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] b41cee1c8db506f2d1e7f1602faebb9cec2651376cf58843f3cc3b11ded66a0c
[INFO] running `Command { std: "docker" "start" "-a" "b41cee1c8db506f2d1e7f1602faebb9cec2651376cf58843f3cc3b11ded66a0c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `thread`
[INFO] [stderr]   --> src/lib.rs:15:30
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::{env, fs, io, path, thread};
[INFO] [stderr]    |                              ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cachedir-b1c14a8b17c7a6fc
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test empty_directory_is_not_tagged ... ok
[INFO] [stdout] test add_tag_is_detected_by_is_tagged ... ok
[INFO] [stdout] test ensure_tag_errors_when_called_with_nonexistent_directory ... ok
[INFO] [stdout] test is_tagged_on_nonexistent_directory_is_an_error ... ok
[INFO] [stdout] test add_tag_errors_when_called_with_nonexistent_directory ... ok
[INFO] [stdout] test ensure_tag_is_detected_by_is_tagged ... ok
[INFO] [stdout] test add_tag_errors_when_tag_already_exists ... ok
[INFO] [stdout] test directory_with_a_tag_with_wrong_content_is_not_tagged ... ok
[INFO] [stdout] test ensure_tag_is_idempotent ... ok
[INFO] [stdout] test mkdir_atomic_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cachedir
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - is_tagged (line 24) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b41cee1c8db506f2d1e7f1602faebb9cec2651376cf58843f3cc3b11ded66a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b41cee1c8db506f2d1e7f1602faebb9cec2651376cf58843f3cc3b11ded66a0c", kill_on_drop: false }`
[INFO] [stdout] b41cee1c8db506f2d1e7f1602faebb9cec2651376cf58843f3cc3b11ded66a0c
