[INFO] cloning repository https://github.com/drpacman/maelstrom-project [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drpacman/maelstrom-project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrpacman%2Fmaelstrom-project", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrpacman%2Fmaelstrom-project'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 80aefccab9bec2518aa11c309c7a25c98c54a7d4 [INFO] checking drpacman/maelstrom-project against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrpacman%2Fmaelstrom-project" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/drpacman/maelstrom-project on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/drpacman/maelstrom-project [INFO] finished tweaking git repo https://github.com/drpacman/maelstrom-project [INFO] tweaked toml for git repo https://github.com/drpacman/maelstrom-project written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/drpacman/maelstrom-project already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4022d94fec77fe1ffb0c28f906c9444202fc2a3c64f66292c87631e8956fa338 [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" "4022d94fec77fe1ffb0c28f906c9444202fc2a3c64f66292c87631e8956fa338", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4022d94fec77fe1ffb0c28f906c9444202fc2a3c64f66292c87631e8956fa338", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4022d94fec77fe1ffb0c28f906c9444202fc2a3c64f66292c87631e8956fa338", kill_on_drop: false }` [INFO] [stdout] 4022d94fec77fe1ffb0c28f906c9444202fc2a3c64f66292c87631e8956fa338 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86905ed9e4d020c15d6280919ab580bad1bfd8377e46552515ac292425cb1909 [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" "86905ed9e4d020c15d6280919ab580bad1bfd8377e46552515ac292425cb1909", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking getrandom v0.2.2 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking treediff v3.0.2 [INFO] [stderr] Checking json-patch v0.2.6 [INFO] [stderr] Checking maelstrom-project v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/node.rs:67:37 [INFO] [stdout] | [INFO] [stdout] 67 | fn process_reply(&mut self, msg : Message){} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/node.rs:67:37 [INFO] [stdout] | [INFO] [stdout] 67 | fn process_reply(&mut self, msg : Message){} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/node.rs:67:37 [INFO] [stdout] | [INFO] [stdout] 67 | fn process_reply(&mut self, msg : Message){} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/datomic.rs:247:32 [INFO] [stdout] | [INFO] [stdout] 247 | panic!(format!("unexpected action of ${:?}", action)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 247 | panic!("unexpected action of ${:?}", action); [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/datomic.rs:293:24 [INFO] [stdout] | [INFO] [stdout] 293 | panic!(format!("Unexpected message {:?}", msg)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 293 | panic!("Unexpected message {:?}", msg); [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/node.rs:67:37 [INFO] [stdout] | [INFO] [stdout] 67 | fn process_reply(&mut self, msg : Message){} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/node.rs:67:37 [INFO] [stdout] | [INFO] [stdout] 67 | fn process_reply(&mut self, msg : Message){} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/node.rs:67:37 [INFO] [stdout] | [INFO] [stdout] 67 | fn process_reply(&mut self, msg : Message){} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/node.rs:67:37 [INFO] [stdout] | [INFO] [stdout] 67 | fn process_reply(&mut self, msg : Message){} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/node.rs:67:37 [INFO] [stdout] | [INFO] [stdout] 67 | fn process_reply(&mut self, msg : Message){} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/node.rs:67:37 [INFO] [stdout] | [INFO] [stdout] 67 | fn process_reply(&mut self, msg : Message){} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `neighbours` [INFO] [stdout] --> src/broadcast.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | neighbours : Vec [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `neighbours` [INFO] [stdout] --> src/broadcast.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | neighbours : Vec [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/node.rs:67:37 [INFO] [stdout] | [INFO] [stdout] 67 | fn process_reply(&mut self, msg : Message){} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/datomic.rs:247:32 [INFO] [stdout] | [INFO] [stdout] 247 | panic!(format!("unexpected action of ${:?}", action)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 247 | panic!("unexpected action of ${:?}", action); [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/datomic.rs:293:24 [INFO] [stdout] | [INFO] [stdout] 293 | panic!(format!("Unexpected message {:?}", msg)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 293 | panic!("Unexpected message {:?}", msg); [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.45s [INFO] running `Command { std: "docker" "inspect" "86905ed9e4d020c15d6280919ab580bad1bfd8377e46552515ac292425cb1909", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86905ed9e4d020c15d6280919ab580bad1bfd8377e46552515ac292425cb1909", kill_on_drop: false }` [INFO] [stdout] 86905ed9e4d020c15d6280919ab580bad1bfd8377e46552515ac292425cb1909