[INFO] crate promptress 0.2.1 is already in cache
[INFO] testing promptress-0.2.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate promptress 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate promptress 0.2.1 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 promptress 0.2.1
[INFO] finished tweaking crates.io crate promptress 0.2.1
[INFO] tweaked toml for crates.io crate promptress 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate promptress 0.2.1 already has a lockfile, it will not be regenerated
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] fa479e272490bebe9a3a9eac473f4781e0b90c376ac8551602f15da0e2a840a7
[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" "fa479e272490bebe9a3a9eac473f4781e0b90c376ac8551602f15da0e2a840a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa479e272490bebe9a3a9eac473f4781e0b90c376ac8551602f15da0e2a840a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa479e272490bebe9a3a9eac473f4781e0b90c376ac8551602f15da0e2a840a7", kill_on_drop: false }`
[INFO] [stdout] fa479e272490bebe9a3a9eac473f4781e0b90c376ac8551602f15da0e2a840a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 398d564519c3c2b76c88962ea7ace4e77a3b547e4a1e3d437e8f53462436d8ac
[INFO] running `Command { std: "docker" "start" "-a" "398d564519c3c2b76c88962ea7ace4e77a3b547e4a1e3d437e8f53462436d8ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling if_chain v1.0.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling users v0.9.1
[INFO] [stderr]    Compiling termion v1.5.3
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libgit2-sys v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]    Compiling git2 v0.10.1
[INFO] [stderr]    Compiling toml v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling promptress v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/parts/workdir.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 mem::replace(part, stem);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "398d564519c3c2b76c88962ea7ace4e77a3b547e4a1e3d437e8f53462436d8ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "398d564519c3c2b76c88962ea7ace4e77a3b547e4a1e3d437e8f53462436d8ac", kill_on_drop: false }`
[INFO] [stdout] 398d564519c3c2b76c88962ea7ace4e77a3b547e4a1e3d437e8f53462436d8ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] e5bdf17255f5ef1ced3690c1cea9705dac8f3b22137989e5abc469631203e9ea
[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" "e5bdf17255f5ef1ced3690c1cea9705dac8f3b22137989e5abc469631203e9ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling promptress v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/parts/workdir.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 mem::replace(part, stem);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "e5bdf17255f5ef1ced3690c1cea9705dac8f3b22137989e5abc469631203e9ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5bdf17255f5ef1ced3690c1cea9705dac8f3b22137989e5abc469631203e9ea", kill_on_drop: false }`
[INFO] [stdout] e5bdf17255f5ef1ced3690c1cea9705dac8f3b22137989e5abc469631203e9ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c66aa4fddadca72e2d9c57f475b0f6543cb65e2ed229ef0acf521e93df02fecc
[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" "c66aa4fddadca72e2d9c57f475b0f6543cb65e2ed229ef0acf521e93df02fecc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/parts/workdir.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 mem::replace(part, stem);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/promptress-de0aa8aa7de8ca51
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test parts::workdir::tests::apply_alias_no_match ... ok
[INFO] [stdout] test parts::workdir::tests::apply_alias_exact ... ok
[INFO] [stdout] test parts::workdir::tests::apply_alias_partial ... ok
[INFO] [stdout] test parts::workdir::tests::process_path_aliased ... ok
[INFO] [stdout] test parts::workdir::tests::apply_alias_partial_component ... ok
[INFO] [stdout] test parts::workdir::tests::process_path_non_utf8 ... ok
[INFO] [stdout] test parts::workdir::tests::process_path_root ... ok
[INFO] [stdout] test parts::workdir::tests::process_path_special_parts ... ok
[INFO] [stdout] test parts::workdir::tests::apply_alias_non_utf8 ... ok
[INFO] [stdout] test parts::workdir::tests::process_path_absolute ... ok
[INFO] [stdout] test parts::workdir::tests::process_path_truncate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c66aa4fddadca72e2d9c57f475b0f6543cb65e2ed229ef0acf521e93df02fecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c66aa4fddadca72e2d9c57f475b0f6543cb65e2ed229ef0acf521e93df02fecc", kill_on_drop: false }`
[INFO] [stdout] c66aa4fddadca72e2d9c57f475b0f6543cb65e2ed229ef0acf521e93df02fecc