[INFO] fetching crate cachers 0.1.0...
[INFO] testing cachers-0.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate cachers 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cachers 0.1.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cachers 0.1.0
[INFO] finished tweaking crates.io crate cachers 0.1.0
[INFO] tweaked toml for crates.io crate cachers 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 258bda682e9c045f02724ec869b4ec8c3dfacaf3a17334ed204bc934e5d2cb83
[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" "258bda682e9c045f02724ec869b4ec8c3dfacaf3a17334ed204bc934e5d2cb83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "258bda682e9c045f02724ec869b4ec8c3dfacaf3a17334ed204bc934e5d2cb83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "258bda682e9c045f02724ec869b4ec8c3dfacaf3a17334ed204bc934e5d2cb83", kill_on_drop: false }`
[INFO] [stdout] 258bda682e9c045f02724ec869b4ec8c3dfacaf3a17334ed204bc934e5d2cb83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcc0089470328b908da65a322bfc1fae686250a587bf8ade42389086773e1ad9
[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" "bcc0089470328b908da65a322bfc1fae686250a587bf8ade42389086773e1ad9", kill_on_drop: false }`
[INFO] [stderr]    Compiling cachers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "bcc0089470328b908da65a322bfc1fae686250a587bf8ade42389086773e1ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcc0089470328b908da65a322bfc1fae686250a587bf8ade42389086773e1ad9", kill_on_drop: false }`
[INFO] [stdout] bcc0089470328b908da65a322bfc1fae686250a587bf8ade42389086773e1ad9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13e4de0fa031bcf4aadf63ee300d1d23cf71141bbbb2ebcf07d2241f64a5371a
[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" "13e4de0fa031bcf4aadf63ee300d1d23cf71141bbbb2ebcf07d2241f64a5371a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cachers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "13e4de0fa031bcf4aadf63ee300d1d23cf71141bbbb2ebcf07d2241f64a5371a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e4de0fa031bcf4aadf63ee300d1d23cf71141bbbb2ebcf07d2241f64a5371a", kill_on_drop: false }`
[INFO] [stdout] 13e4de0fa031bcf4aadf63ee300d1d23cf71141bbbb2ebcf07d2241f64a5371a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 19fda773cfc2c3d6bc80cb830909dbf1b4ecd588545c6ae989459a01b0e7d675
[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" "19fda773cfc2c3d6bc80cb830909dbf1b4ecd588545c6ae989459a01b0e7d675", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cachers-2a2980d1d8ee4a6d)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test eviction::tests::test_it_works ... ok
[INFO] [stdout] test segment::tests::get_or_populate_evicts ... ok
[INFO] [stdout] test segment::tests::miss_populates_not ... ok
[INFO] [stdout] test segment::tests::update_evicts ... ok
[INFO] [stdout] test segment::tests::update_populates ... ok
[INFO] [stdout] test segment::tests::update_removes ... ok
[INFO] [stdout] test segment::tests::update_updates ... ok
[INFO] [stdout] test tests::hit_populates ... ok
[INFO] [stdout] test tests::evicts ... ok
[INFO] [stdout] test tests::miss_populates_not ... ok
[INFO] [stdout] test tests::update_removes ... ok
[INFO] [stdout] test tests::remove_removes ... ok
[INFO] [stdout] test tests::update_populates ... ok
[INFO] [stdout] test segment::tests::hit_populates ... ok
[INFO] [stdout] test tests::update_updates ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cachers
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - CacheThrough<K, V>::new (line 85) ... ok
[INFO] [stdout] test src/lib.rs - CacheThrough (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "19fda773cfc2c3d6bc80cb830909dbf1b4ecd588545c6ae989459a01b0e7d675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19fda773cfc2c3d6bc80cb830909dbf1b4ecd588545c6ae989459a01b0e7d675", kill_on_drop: false }`
[INFO] [stdout] 19fda773cfc2c3d6bc80cb830909dbf1b4ecd588545c6ae989459a01b0e7d675