[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b89da8176c9215a7ec0ca69d1f418ca06808e901 [INFO] testing krlvi/wc-rs against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrlvi%2Fwc-rs" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/krlvi/wc-rs on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-11/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-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 70bfe85971e2099013352a00de22617af3e7824ec2555c9dd50e7d91f3669ce1 [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" "70bfe85971e2099013352a00de22617af3e7824ec2555c9dd50e7d91f3669ce1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70bfe85971e2099013352a00de22617af3e7824ec2555c9dd50e7d91f3669ce1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70bfe85971e2099013352a00de22617af3e7824ec2555c9dd50e7d91f3669ce1", kill_on_drop: false }` [INFO] [stdout] 70bfe85971e2099013352a00de22617af3e7824ec2555c9dd50e7d91f3669ce1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] efe1d94380ebfe78ce019069943a92c3ba18a2ee36238e21b9adc9a243ae7dbb [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" "efe1d94380ebfe78ce019069943a92c3ba18a2ee36238e21b9adc9a243ae7dbb", 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] | ^^^^ 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 3.21s [INFO] running `Command { std: "docker" "inspect" "efe1d94380ebfe78ce019069943a92c3ba18a2ee36238e21b9adc9a243ae7dbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efe1d94380ebfe78ce019069943a92c3ba18a2ee36238e21b9adc9a243ae7dbb", kill_on_drop: false }` [INFO] [stdout] efe1d94380ebfe78ce019069943a92c3ba18a2ee36238e21b9adc9a243ae7dbb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a1a7b90eaf0210391bd91b9cb9d819717636939b1bc13c5b5d4708dac95896c9 [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" "a1a7b90eaf0210391bd91b9cb9d819717636939b1bc13c5b5d4708dac95896c9", 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 0.75s [INFO] running `Command { std: "docker" "inspect" "a1a7b90eaf0210391bd91b9cb9d819717636939b1bc13c5b5d4708dac95896c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1a7b90eaf0210391bd91b9cb9d819717636939b1bc13c5b5d4708dac95896c9", kill_on_drop: false }` [INFO] [stdout] a1a7b90eaf0210391bd91b9cb9d819717636939b1bc13c5b5d4708dac95896c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6c53e5a2e38ec0061019b9ee23020ae3e9f38a4a983ca359d19393e915b0a7ac [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" "6c53e5a2e38ec0061019b9ee23020ae3e9f38a4a983ca359d19393e915b0a7ac", 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 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/wc_rs-d07286d3f6dc0c6e [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" "6c53e5a2e38ec0061019b9ee23020ae3e9f38a4a983ca359d19393e915b0a7ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c53e5a2e38ec0061019b9ee23020ae3e9f38a4a983ca359d19393e915b0a7ac", kill_on_drop: false }` [INFO] [stdout] 6c53e5a2e38ec0061019b9ee23020ae3e9f38a4a983ca359d19393e915b0a7ac