[INFO] cloning repository https://github.com/b4skyx/logchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/b4skyx/logchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb4skyx%2Flogchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb4skyx%2Flogchain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 37dd0f59acf7dc17f317822c6ca8c6cca87fac4c [INFO] testing b4skyx/logchain against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb4skyx%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/b4skyx/logchain 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/b4skyx/logchain [INFO] finished tweaking git repo https://github.com/b4skyx/logchain [INFO] tweaked toml for git repo https://github.com/b4skyx/logchain written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/b4skyx/logchain 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-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" "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] 59d064bd675cdea4203a528e53dff96a8c784737aa38754c0e5a64a85a2ad4f4 [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" "59d064bd675cdea4203a528e53dff96a8c784737aa38754c0e5a64a85a2ad4f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59d064bd675cdea4203a528e53dff96a8c784737aa38754c0e5a64a85a2ad4f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59d064bd675cdea4203a528e53dff96a8c784737aa38754c0e5a64a85a2ad4f4", kill_on_drop: false }` [INFO] [stdout] 59d064bd675cdea4203a528e53dff96a8c784737aa38754c0e5a64a85a2ad4f4 [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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c1186ef0e4a4db708c74c14ae45fb024b99b1859b04f78e7932cb31ef7bcdc81 [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" "c1186ef0e4a4db708c74c14ae45fb024b99b1859b04f78e7932cb31ef7bcdc81", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling subtle v1.0.0 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling crypto-mac v0.7.0 [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 38.41s [INFO] running `Command { std: "docker" "inspect" "c1186ef0e4a4db708c74c14ae45fb024b99b1859b04f78e7932cb31ef7bcdc81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1186ef0e4a4db708c74c14ae45fb024b99b1859b04f78e7932cb31ef7bcdc81", kill_on_drop: false }` [INFO] [stdout] c1186ef0e4a4db708c74c14ae45fb024b99b1859b04f78e7932cb31ef7bcdc81 [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" "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] da2e836067b0e9565d7bacabe2d0fb72803312036231bf335a5a949dc34f2f35 [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" "da2e836067b0e9565d7bacabe2d0fb72803312036231bf335a5a949dc34f2f35", 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] | ^^^^^ 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 0.86s [INFO] running `Command { std: "docker" "inspect" "da2e836067b0e9565d7bacabe2d0fb72803312036231bf335a5a949dc34f2f35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da2e836067b0e9565d7bacabe2d0fb72803312036231bf335a5a949dc34f2f35", kill_on_drop: false }` [INFO] [stdout] da2e836067b0e9565d7bacabe2d0fb72803312036231bf335a5a949dc34f2f35 [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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 1d95f7da83ec3ce9db4ea9ae88b93c3d28427944a9d59598698e442ef3375158 [INFO] running `Command { std: "docker" "start" "-a" "1d95f7da83ec3ce9db4ea9ae88b93c3d28427944a9d59598698e442ef3375158", 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] | ^^^^^ 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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/block_log-a678857c4fcec3da [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" "1d95f7da83ec3ce9db4ea9ae88b93c3d28427944a9d59598698e442ef3375158", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d95f7da83ec3ce9db4ea9ae88b93c3d28427944a9d59598698e442ef3375158", kill_on_drop: false }` [INFO] [stdout] 1d95f7da83ec3ce9db4ea9ae88b93c3d28427944a9d59598698e442ef3375158