[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 try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluciferarm%2Flogchain" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/luciferarm/logchain on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9469e2ea21af2e64f0f47ebb0e78981d097a6cab9cdd003acea98ac9ddf93a7f [INFO] running `Command { std: "docker" "start" "-a" "9469e2ea21af2e64f0f47ebb0e78981d097a6cab9cdd003acea98ac9ddf93a7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9469e2ea21af2e64f0f47ebb0e78981d097a6cab9cdd003acea98ac9ddf93a7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9469e2ea21af2e64f0f47ebb0e78981d097a6cab9cdd003acea98ac9ddf93a7f", kill_on_drop: false }` [INFO] [stdout] 9469e2ea21af2e64f0f47ebb0e78981d097a6cab9cdd003acea98ac9ddf93a7f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b3997a74d41796ab80729e3db6970a92cebccd1ac6411e3625dec37da448c0f [INFO] running `Command { std: "docker" "start" "-a" "7b3997a74d41796ab80729e3db6970a92cebccd1ac6411e3625dec37da448c0f", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling quote v1.0.2 [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 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] | ^^^^^ mutable borrow occurs here [INFO] [stdout] 98 | *previous_index, [INFO] [stdout] | --------------- 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.97s [INFO] running `Command { std: "docker" "inspect" "7b3997a74d41796ab80729e3db6970a92cebccd1ac6411e3625dec37da448c0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b3997a74d41796ab80729e3db6970a92cebccd1ac6411e3625dec37da448c0f", kill_on_drop: false }` [INFO] [stdout] 7b3997a74d41796ab80729e3db6970a92cebccd1ac6411e3625dec37da448c0f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4e0d5ca06f62c83a28154e74daae838241dd7f1098782faedee9782e26bca13d [INFO] running `Command { std: "docker" "start" "-a" "4e0d5ca06f62c83a28154e74daae838241dd7f1098782faedee9782e26bca13d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] | ^^^^^ mutable borrow occurs here [INFO] [stdout] 98 | *previous_index, [INFO] [stdout] | --------------- 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `Command { std: "docker" "inspect" "4e0d5ca06f62c83a28154e74daae838241dd7f1098782faedee9782e26bca13d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e0d5ca06f62c83a28154e74daae838241dd7f1098782faedee9782e26bca13d", kill_on_drop: false }` [INFO] [stdout] 4e0d5ca06f62c83a28154e74daae838241dd7f1098782faedee9782e26bca13d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ff9ad9b0d29c1d78aef6c582a6fa6a9fd73fe40469771bcd7aa36a9355bb26ef [INFO] running `Command { std: "docker" "start" "-a" "ff9ad9b0d29c1d78aef6c582a6fa6a9fd73fe40469771bcd7aa36a9355bb26ef", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: cannot borrow `chain` as mutable because it is also borrowed as immutable [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:97:9 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 94 | let previous_index = &chain.last().unwrap().index; [INFO] [stdout] [INFO] [stderr] | ----- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 97 | chain.push(create_block( [INFO] [stderr] | ^^^^^ mutable borrow occurs here [INFO] [stderr] 98 | *previous_index, [INFO] [stderr] | --------------- 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: `block_log` (bin "block_log" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/block_log-1bcd4f0da9697307) [INFO] running `Command { std: "docker" "inspect" "ff9ad9b0d29c1d78aef6c582a6fa6a9fd73fe40469771bcd7aa36a9355bb26ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff9ad9b0d29c1d78aef6c582a6fa6a9fd73fe40469771bcd7aa36a9355bb26ef", kill_on_drop: false }` [INFO] [stdout] ff9ad9b0d29c1d78aef6c582a6fa6a9fd73fe40469771bcd7aa36a9355bb26ef