[INFO] crate cachedir 0.2.0 is already in cache
[INFO] testing cachedir-0.2.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate cachedir 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate cachedir 0.2.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fee71ef7eab5d8a72fbe81d56710bf4864d5f22ee3ed94ca4dc5f2aedd1004ad
[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" "fee71ef7eab5d8a72fbe81d56710bf4864d5f22ee3ed94ca4dc5f2aedd1004ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fee71ef7eab5d8a72fbe81d56710bf4864d5f22ee3ed94ca4dc5f2aedd1004ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fee71ef7eab5d8a72fbe81d56710bf4864d5f22ee3ed94ca4dc5f2aedd1004ad", kill_on_drop: false }`
[INFO] [stdout] fee71ef7eab5d8a72fbe81d56710bf4864d5f22ee3ed94ca4dc5f2aedd1004ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95036e7521fd64b8846942479d763ee7607343af08fe4813cb04023ab47ad330
[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" "95036e7521fd64b8846942479d763ee7607343af08fe4813cb04023ab47ad330", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[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 5.85s
[INFO] running `Command { std: "docker" "inspect" "95036e7521fd64b8846942479d763ee7607343af08fe4813cb04023ab47ad330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95036e7521fd64b8846942479d763ee7607343af08fe4813cb04023ab47ad330", kill_on_drop: false }`
[INFO] [stdout] 95036e7521fd64b8846942479d763ee7607343af08fe4813cb04023ab47ad330
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32c99a0807c5f7fd5bb62e19267e8056a40eaaac22dc8a912cdab239aaa5fd09
[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" "32c99a0807c5f7fd5bb62e19267e8056a40eaaac22dc8a912cdab239aaa5fd09", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.50s
[INFO] running `Command { std: "docker" "inspect" "32c99a0807c5f7fd5bb62e19267e8056a40eaaac22dc8a912cdab239aaa5fd09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32c99a0807c5f7fd5bb62e19267e8056a40eaaac22dc8a912cdab239aaa5fd09", kill_on_drop: false }`
[INFO] [stdout] 32c99a0807c5f7fd5bb62e19267e8056a40eaaac22dc8a912cdab239aaa5fd09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7af6a79027e021636faab39311f1a74d96cbf4f2c8ce28a5b3bb0ac2a64248d1
[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" "7af6a79027e021636faab39311f1a74d96cbf4f2c8ce28a5b3bb0ac2a64248d1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cachedir-5f0e83b48074c85a
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test add_tag_errors_when_called_with_nonexistent_directory ... ok
[INFO] [stdout] test ensure_tag_errors_when_called_with_nonexistent_directory ... ok
[INFO] [stdout] test add_tag_is_detected_by_is_tagged ... ok
[INFO] [stdout] test is_tagged_on_nonexistent_directory_is_an_error ... 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_detected_by_is_tagged ... ok
[INFO] [stdout] test empty_directory_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" "7af6a79027e021636faab39311f1a74d96cbf4f2c8ce28a5b3bb0ac2a64248d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af6a79027e021636faab39311f1a74d96cbf4f2c8ce28a5b3bb0ac2a64248d1", kill_on_drop: false }`
[INFO] [stdout] 7af6a79027e021636faab39311f1a74d96cbf4f2c8ce28a5b3bb0ac2a64248d1