[INFO] cloning repository https://github.com/luciferarm/logchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luciferarm/logchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluciferarm%2Flogchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluciferarm%2Flogchain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 20bde73567abeecee8094230b316e117f4982f11 [INFO] testing luciferarm/logchain 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%2Fluciferarm%2Flogchain" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/luciferarm/logchain 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/luciferarm/logchain [INFO] finished tweaking git repo https://github.com/luciferarm/logchain [INFO] tweaked toml for git repo https://github.com/luciferarm/logchain written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/luciferarm/logchain 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] 84a6888bcc39db79f96e890a09bb447c8ff780a0d5bc6d21fa9424c14538d509 [INFO] running `Command { std: "docker" "start" "-a" "84a6888bcc39db79f96e890a09bb447c8ff780a0d5bc6d21fa9424c14538d509", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84a6888bcc39db79f96e890a09bb447c8ff780a0d5bc6d21fa9424c14538d509", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84a6888bcc39db79f96e890a09bb447c8ff780a0d5bc6d21fa9424c14538d509", kill_on_drop: false }` [INFO] [stdout] 84a6888bcc39db79f96e890a09bb447c8ff780a0d5bc6d21fa9424c14538d509 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c84531de2c7075151c347b70b960f7569e8e25adc5be6f2281096e6bbb926244 [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" "c84531de2c7075151c347b70b960f7569e8e25adc5be6f2281096e6bbb926244", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling crypto-mac v0.7.0 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling blake2 v0.8.1 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling serde_json v1.0.48 [INFO] [stderr] Compiling block_log v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: cannot borrow `chain` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 94 | let previous_index = &chain.last().unwrap().index; [INFO] [stdout] | ------------ immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 97 | / chain.push(create_block( [INFO] [stdout] 98 | | *previous_index, [INFO] [stdout] | | --------------- immutable borrow later used here [INFO] [stdout] 99 | | logt, [INFO] [stdout] 100 | | data, [INFO] [stdout] 101 | | previous_hash, [INFO] [stdout] 102 | | String::from(&salt), [INFO] [stdout] 103 | | )); [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 dev [unoptimized + debuginfo] target(s) in 39.55s [INFO] running `Command { std: "docker" "inspect" "c84531de2c7075151c347b70b960f7569e8e25adc5be6f2281096e6bbb926244", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c84531de2c7075151c347b70b960f7569e8e25adc5be6f2281096e6bbb926244", kill_on_drop: false }` [INFO] [stdout] c84531de2c7075151c347b70b960f7569e8e25adc5be6f2281096e6bbb926244 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] 6864ec0bd80a9751865bd6f6ae5078e86ebf1c47d1e8480c17f4f34a81aca8eb [INFO] running `Command { std: "docker" "start" "-a" "6864ec0bd80a9751865bd6f6ae5078e86ebf1c47d1e8480c17f4f34a81aca8eb", kill_on_drop: false }` [INFO] [stderr] Compiling block_log v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: cannot borrow `chain` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 94 | let previous_index = &chain.last().unwrap().index; [INFO] [stdout] | ------------ immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 97 | / chain.push(create_block( [INFO] [stdout] 98 | | *previous_index, [INFO] [stdout] | | --------------- immutable borrow later used here [INFO] [stdout] 99 | | logt, [INFO] [stdout] 100 | | data, [INFO] [stdout] 101 | | previous_hash, [INFO] [stdout] 102 | | String::from(&salt), [INFO] [stdout] 103 | | )); [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 1.23s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/block_log-78a2ee8da6d9913f) [INFO] running `Command { std: "docker" "inspect" "6864ec0bd80a9751865bd6f6ae5078e86ebf1c47d1e8480c17f4f34a81aca8eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6864ec0bd80a9751865bd6f6ae5078e86ebf1c47d1e8480c17f4f34a81aca8eb", kill_on_drop: false }` [INFO] [stdout] 6864ec0bd80a9751865bd6f6ae5078e86ebf1c47d1e8480c17f4f34a81aca8eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 099f1f0b3ac96a04bd92a9ce31aae0e007724254b8336ddfd103895a3e4e8cd2 [INFO] running `Command { std: "docker" "start" "-a" "099f1f0b3ac96a04bd92a9ce31aae0e007724254b8336ddfd103895a3e4e8cd2", kill_on_drop: false }` [INFO] [stderr] warning: cannot borrow `chain` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:97:9 [INFO] [stderr] | [INFO] [stderr] 94 | let previous_index = &chain.last().unwrap().index; [INFO] [stderr] | ------------ immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 97 | / chain.push(create_block( [INFO] [stderr] 98 | | *previous_index, [INFO] [stderr] | | --------------- immutable borrow later used here [INFO] [stderr] 99 | | logt, [INFO] [stderr] 100 | | data, [INFO] [stderr] 101 | | previous_hash, [INFO] [stderr] 102 | | String::from(&salt), [INFO] [stderr] 103 | | )); [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: `block_log` (bin "block_log" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/block_log-78a2ee8da6d9913f) [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" "099f1f0b3ac96a04bd92a9ce31aae0e007724254b8336ddfd103895a3e4e8cd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "099f1f0b3ac96a04bd92a9ce31aae0e007724254b8336ddfd103895a3e4e8cd2", kill_on_drop: false }` [INFO] [stdout] 099f1f0b3ac96a04bd92a9ce31aae0e007724254b8336ddfd103895a3e4e8cd2