[INFO] crate vecstorage 0.1.0 is already in cache
[INFO] testing vecstorage-0.1.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate vecstorage 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate vecstorage 0.1.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vecstorage 0.1.0
[INFO] finished tweaking crates.io crate vecstorage 0.1.0
[INFO] tweaked toml for crates.io crate vecstorage 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 280e972ceca0caf5eb8a795b9a1bd1982fe55890665227681380ac8ac2c74bd8
[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" "280e972ceca0caf5eb8a795b9a1bd1982fe55890665227681380ac8ac2c74bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "280e972ceca0caf5eb8a795b9a1bd1982fe55890665227681380ac8ac2c74bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "280e972ceca0caf5eb8a795b9a1bd1982fe55890665227681380ac8ac2c74bd8", kill_on_drop: false }`
[INFO] [stdout] 280e972ceca0caf5eb8a795b9a1bd1982fe55890665227681380ac8ac2c74bd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0439add482b98881e8c6326dd9fb8349be32e4878bfcea95c7e1816d1ed73f77
[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" "0439add482b98881e8c6326dd9fb8349be32e4878bfcea95c7e1816d1ed73f77", kill_on_drop: false }`
[INFO] [stderr]    Compiling vecstorage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "0439add482b98881e8c6326dd9fb8349be32e4878bfcea95c7e1816d1ed73f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0439add482b98881e8c6326dd9fb8349be32e4878bfcea95c7e1816d1ed73f77", kill_on_drop: false }`
[INFO] [stdout] 0439add482b98881e8c6326dd9fb8349be32e4878bfcea95c7e1816d1ed73f77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53dcde72bd6013b3b1cb6ab70cd5d37b2760ed759854eb6b7297ee41652dae83
[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" "53dcde72bd6013b3b1cb6ab70cd5d37b2760ed759854eb6b7297ee41652dae83", kill_on_drop: false }`
[INFO] [stderr]    Compiling vecstorage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `guard`
[INFO] [stdout]    --> src/lib.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 254 |     let guard = v.vec_guard::<u64>();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_guard`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` 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 1.01s
[INFO] running `Command { std: "docker" "inspect" "53dcde72bd6013b3b1cb6ab70cd5d37b2760ed759854eb6b7297ee41652dae83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53dcde72bd6013b3b1cb6ab70cd5d37b2760ed759854eb6b7297ee41652dae83", kill_on_drop: false }`
[INFO] [stdout] 53dcde72bd6013b3b1cb6ab70cd5d37b2760ed759854eb6b7297ee41652dae83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dec4b219135e5a03c76f292cb5b74db26c00ed4405a07513963828f51571fac0
[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" "dec4b219135e5a03c76f292cb5b74db26c00ed4405a07513963828f51571fac0", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `guard`
[INFO] [stderr]    --> src/lib.rs:254:9
[INFO] [stderr]     |
[INFO] [stderr] 254 |     let guard = v.vec_guard::<u64>();
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_guard`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vecstorage-c705b7d76e8b9692
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test mem_forgetting_guard_does_not_lead_to_panic ... ok
[INFO] [stdout] test vecstorage_implements_send ... ok
[INFO] [stdout] test vecstorage_implements_sync ... ok
[INFO] [stdout] test vec_storage_mut_common_use_cases ... ok
[INFO] [stderr]    Doc-tests vecstorage
[INFO] [stdout] test mem_forgetting_guard_leads_to_panic_with_new_guard ... ok
[INFO] [stdout] test creating_guard_with_different_size_gives_leads_to_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 7) ... ignored
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/lib.rs - (line 48) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dec4b219135e5a03c76f292cb5b74db26c00ed4405a07513963828f51571fac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dec4b219135e5a03c76f292cb5b74db26c00ed4405a07513963828f51571fac0", kill_on_drop: false }`
[INFO] [stdout] dec4b219135e5a03c76f292cb5b74db26c00ed4405a07513963828f51571fac0