[INFO] cloning repository https://github.com/krlvi/wc-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krlvi/wc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrlvi%2Fwc-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrlvi%2Fwc-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b89da8176c9215a7ec0ca69d1f418ca06808e901 [INFO] testing krlvi/wc-rs against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrlvi%2Fwc-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/krlvi/wc-rs on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/krlvi/wc-rs [INFO] finished tweaking git repo https://github.com/krlvi/wc-rs [INFO] tweaked toml for git repo https://github.com/krlvi/wc-rs written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/krlvi/wc-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b0603b7b0c87dc9dc3e67653e0a1b30573dc12198910ded60e9f210c17e8c2a0 [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" "b0603b7b0c87dc9dc3e67653e0a1b30573dc12198910ded60e9f210c17e8c2a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b0603b7b0c87dc9dc3e67653e0a1b30573dc12198910ded60e9f210c17e8c2a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0603b7b0c87dc9dc3e67653e0a1b30573dc12198910ded60e9f210c17e8c2a0", kill_on_drop: false }` [INFO] [stdout] b0603b7b0c87dc9dc3e67653e0a1b30573dc12198910ded60e9f210c17e8c2a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9ea82d7f48b661d8deb78fced8e96be2bcd4c6867876f2028175749661637df5 [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" "9ea82d7f48b661d8deb78fced8e96be2bcd4c6867876f2028175749661637df5", kill_on_drop: false }` [INFO] [stderr] Compiling spmc v0.2.2 [INFO] [stderr] Compiling hashbrown v0.3.0 [INFO] [stderr] Compiling wc-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: cannot borrow `dict` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:19:29 [INFO] [stdout] | [INFO] [stdout] 18 | if let Some(val) = dict.get(word) { [INFO] [stdout] | ---- immutable borrow occurs here [INFO] [stdout] 19 | dict.insert(String::from(word), *val + 1); [INFO] [stdout] | ^^^^ mutable borrow occurs here ---- immutable borrow later used 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: cannot borrow `re` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:64:21 [INFO] [stdout] | [INFO] [stdout] 62 | match re.get(&k) { [INFO] [stdout] | -- immutable borrow occurs here [INFO] [stdout] 63 | Some(ev) => { [INFO] [stdout] 64 | re.insert(k, ev + v); [INFO] [stdout] | ^^ -- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.26s [INFO] running `Command { std: "docker" "inspect" "9ea82d7f48b661d8deb78fced8e96be2bcd4c6867876f2028175749661637df5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ea82d7f48b661d8deb78fced8e96be2bcd4c6867876f2028175749661637df5", kill_on_drop: false }` [INFO] [stdout] 9ea82d7f48b661d8deb78fced8e96be2bcd4c6867876f2028175749661637df5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] efc51a647e794846bbe15c18f778f22e1e9c46cecd548236798b8df66b144686 [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" "efc51a647e794846bbe15c18f778f22e1e9c46cecd548236798b8df66b144686", kill_on_drop: false }` [INFO] [stderr] Compiling wc-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: cannot borrow `dict` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:19:29 [INFO] [stdout] | [INFO] [stdout] 18 | if let Some(val) = dict.get(word) { [INFO] [stdout] | ---- immutable borrow occurs here [INFO] [stdout] 19 | dict.insert(String::from(word), *val + 1); [INFO] [stdout] | ^^^^ mutable borrow occurs here ---- immutable borrow later used 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: cannot borrow `re` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:64:21 [INFO] [stdout] | [INFO] [stdout] 62 | match re.get(&k) { [INFO] [stdout] | -- immutable borrow occurs here [INFO] [stdout] 63 | Some(ev) => { [INFO] [stdout] 64 | re.insert(k, ev + v); [INFO] [stdout] | ^^ -- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `Command { std: "docker" "inspect" "efc51a647e794846bbe15c18f778f22e1e9c46cecd548236798b8df66b144686", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efc51a647e794846bbe15c18f778f22e1e9c46cecd548236798b8df66b144686", kill_on_drop: false }` [INFO] [stdout] efc51a647e794846bbe15c18f778f22e1e9c46cecd548236798b8df66b144686 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 13269864f2940ac1d524d58d2b2849a893e5f805c500f1b600ab56625d3e0575 [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" "13269864f2940ac1d524d58d2b2849a893e5f805c500f1b600ab56625d3e0575", kill_on_drop: false }` [INFO] [stderr] warning: cannot borrow `dict` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:19:29 [INFO] [stderr] | [INFO] [stderr] 18 | if let Some(val) = dict.get(word) { [INFO] [stderr] | ---- immutable borrow occurs here [INFO] [stderr] 19 | dict.insert(String::from(word), *val + 1); [INFO] [stderr] | ^^^^ mutable borrow occurs here ---- immutable borrow later used 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: cannot borrow `re` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:64:21 [INFO] [stderr] | [INFO] [stderr] 62 | match re.get(&k) { [INFO] [stderr] | -- immutable borrow occurs here [INFO] [stderr] 63 | Some(ev) => { [INFO] [stderr] 64 | re.insert(k, ev + v); [INFO] [stderr] | ^^ -- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [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: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/wc_rs-fcdfa7ef97facae1 [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "13269864f2940ac1d524d58d2b2849a893e5f805c500f1b600ab56625d3e0575", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13269864f2940ac1d524d58d2b2849a893e5f805c500f1b600ab56625d3e0575", kill_on_drop: false }` [INFO] [stdout] 13269864f2940ac1d524d58d2b2849a893e5f805c500f1b600ab56625d3e0575