[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 beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrlvi%2Fwc-rs" "/workspace/builds/worker-72/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-72/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/krlvi/wc-rs on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-72/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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6f3dcdbb75cea18cecda6a8d8d037e1bb0c1fd03778421c2a59f31eddc8f0712 [INFO] running `Command { std: "docker" "start" "-a" "6f3dcdbb75cea18cecda6a8d8d037e1bb0c1fd03778421c2a59f31eddc8f0712", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f3dcdbb75cea18cecda6a8d8d037e1bb0c1fd03778421c2a59f31eddc8f0712", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f3dcdbb75cea18cecda6a8d8d037e1bb0c1fd03778421c2a59f31eddc8f0712", kill_on_drop: false }` [INFO] [stdout] 6f3dcdbb75cea18cecda6a8d8d037e1bb0c1fd03778421c2a59f31eddc8f0712 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] caf6408c6b6085cc41ed85573d27021edc3ca61e5ea68fdde09c68b7322cd763 [INFO] running `Command { std: "docker" "start" "-a" "caf6408c6b6085cc41ed85573d27021edc3ca61e5ea68fdde09c68b7322cd763", kill_on_drop: false }` [INFO] [stderr] Compiling hashbrown v0.3.0 [INFO] [stderr] Compiling spmc v0.2.2 [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----^^^^^ [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: 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] | ^^^^^^^^^^^^^--^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [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 4.49s [INFO] running `Command { std: "docker" "inspect" "caf6408c6b6085cc41ed85573d27021edc3ca61e5ea68fdde09c68b7322cd763", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "caf6408c6b6085cc41ed85573d27021edc3ca61e5ea68fdde09c68b7322cd763", kill_on_drop: false }` [INFO] [stdout] caf6408c6b6085cc41ed85573d27021edc3ca61e5ea68fdde09c68b7322cd763 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e8abd41320621c8f8ab2b11fa8bbad1c0e590b41b52072970994ad0cedd6be93 [INFO] running `Command { std: "docker" "start" "-a" "e8abd41320621c8f8ab2b11fa8bbad1c0e590b41b52072970994ad0cedd6be93", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----^^^^^ [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: 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] | ^^^^^^^^^^^^^--^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [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 3.76s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/wc_rs-a2e56d36c1a84574) [INFO] running `Command { std: "docker" "inspect" "e8abd41320621c8f8ab2b11fa8bbad1c0e590b41b52072970994ad0cedd6be93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8abd41320621c8f8ab2b11fa8bbad1c0e590b41b52072970994ad0cedd6be93", kill_on_drop: false }` [INFO] [stdout] e8abd41320621c8f8ab2b11fa8bbad1c0e590b41b52072970994ad0cedd6be93 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] bd9034ad9bc54701f3bd050e4ab65a339f2a727e2f081a57ff70e235c77e87ec [INFO] running `Command { std: "docker" "start" "-a" "bd9034ad9bc54701f3bd050e4ab65a339f2a727e2f081a57ff70e235c77e87ec", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----^^^^^ [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: 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] | ^^^^^^^^^^^^^--^^^^^ [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow later used here [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: `wc-rs` (bin "wc-rs" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.48s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/wc_rs-a2e56d36c1a84574) [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" "bd9034ad9bc54701f3bd050e4ab65a339f2a727e2f081a57ff70e235c77e87ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd9034ad9bc54701f3bd050e4ab65a339f2a727e2f081a57ff70e235c77e87ec", kill_on_drop: false }` [INFO] [stdout] bd9034ad9bc54701f3bd050e4ab65a339f2a727e2f081a57ff70e235c77e87ec