[INFO] cloning repository https://github.com/alexmailo/stack [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexmailo/stack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexmailo%2Fstack", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexmailo%2Fstack'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6215f69ead6a8d866279f9d45007ea72922c5e00 [INFO] testing alexmailo/stack against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexmailo%2Fstack" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alexmailo/stack on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/alexmailo/stack [INFO] finished tweaking git repo https://github.com/alexmailo/stack [INFO] tweaked toml for git repo https://github.com/alexmailo/stack written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/alexmailo/stack already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 157ca8f345b2b285ffa4af220aa1896d3bee49bea2327ae591433e0d1ab13713 [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" "157ca8f345b2b285ffa4af220aa1896d3bee49bea2327ae591433e0d1ab13713", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "157ca8f345b2b285ffa4af220aa1896d3bee49bea2327ae591433e0d1ab13713", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "157ca8f345b2b285ffa4af220aa1896d3bee49bea2327ae591433e0d1ab13713", kill_on_drop: false }` [INFO] [stdout] 157ca8f345b2b285ffa4af220aa1896d3bee49bea2327ae591433e0d1ab13713 [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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f27b3b1db236be7797109be9af0e530d429bc2985650e6eec9c709e7d792d78e [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" "f27b3b1db236be7797109be9af0e530d429bc2985650e6eec9c709e7d792d78e", kill_on_drop: false }` [INFO] [stderr] Compiling stack v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: cannot borrow `stack` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:68:21 [INFO] [stdout] | [INFO] [stdout] 67 | if let Some(value) = stack.peek() { [INFO] [stdout] | ------------ immutable borrow occurs here [INFO] [stdout] 68 | stack.push(*value); [INFO] [stdout] | ^^^^^^^^^^^------^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.07s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f27b3b1db236be7797109be9af0e530d429bc2985650e6eec9c709e7d792d78e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f27b3b1db236be7797109be9af0e530d429bc2985650e6eec9c709e7d792d78e", kill_on_drop: false }` [INFO] [stdout] f27b3b1db236be7797109be9af0e530d429bc2985650e6eec9c709e7d792d78e [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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c52892f1c6e4d356a50c69f0207c620b47970a6f52ea79ca31fe7fc274436e0 [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" "8c52892f1c6e4d356a50c69f0207c620b47970a6f52ea79ca31fe7fc274436e0", kill_on_drop: false }` [INFO] [stderr] Compiling stack v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: cannot borrow `stack` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:68:21 [INFO] [stdout] | [INFO] [stdout] 67 | if let Some(value) = stack.peek() { [INFO] [stdout] | ------------ immutable borrow occurs here [INFO] [stdout] 68 | stack.push(*value); [INFO] [stdout] | ^^^^^^^^^^^------^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.97s [INFO] running `Command { std: "docker" "inspect" "8c52892f1c6e4d356a50c69f0207c620b47970a6f52ea79ca31fe7fc274436e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c52892f1c6e4d356a50c69f0207c620b47970a6f52ea79ca31fe7fc274436e0", kill_on_drop: false }` [INFO] [stdout] 8c52892f1c6e4d356a50c69f0207c620b47970a6f52ea79ca31fe7fc274436e0 [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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5e2fe422b4d8859a2f27c734046aeb46a356e1ab49f46a5fa1dd4542f8b3dcb0 [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" "5e2fe422b4d8859a2f27c734046aeb46a356e1ab49f46a5fa1dd4542f8b3dcb0", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: cannot borrow `stack` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:68:21 [INFO] [stderr] | [INFO] [stderr] 67 | if let Some(value) = stack.peek() { [INFO] [stderr] | ------------ immutable borrow occurs here [INFO] [stderr] 68 | stack.push(*value); [INFO] [stderr] | ^^^^^^^^^^^------^ [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow later used here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: `stack` (bin "stack" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.71s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/stack-525af4bbe0a22ff0) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5e2fe422b4d8859a2f27c734046aeb46a356e1ab49f46a5fa1dd4542f8b3dcb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e2fe422b4d8859a2f27c734046aeb46a356e1ab49f46a5fa1dd4542f8b3dcb0", kill_on_drop: false }` [INFO] [stdout] 5e2fe422b4d8859a2f27c734046aeb46a356e1ab49f46a5fa1dd4542f8b3dcb0