[INFO] cloning repository https://github.com/phillyai/mortal-coil-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phillyai/mortal-coil-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphillyai%2Fmortal-coil-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphillyai%2Fmortal-coil-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ce9de4e1a2ff7eda4e2300ff4eabd510a2342fdd [INFO] checking phillyai/mortal-coil-rs against master#2e5723137b2b88368d018b262a0a823a1423131b for pr-78935-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphillyai%2Fmortal-coil-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/phillyai/mortal-coil-rs on toolchain 2e5723137b2b88368d018b262a0a823a1423131b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/phillyai/mortal-coil-rs [INFO] finished tweaking git repo https://github.com/phillyai/mortal-coil-rs [INFO] tweaked toml for git repo https://github.com/phillyai/mortal-coil-rs written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/phillyai/mortal-coil-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c4e04f15bd4e10326af538c0a56ca79e350ae271319884fa19de1ab0c4cb9eb2 [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" "c4e04f15bd4e10326af538c0a56ca79e350ae271319884fa19de1ab0c4cb9eb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c4e04f15bd4e10326af538c0a56ca79e350ae271319884fa19de1ab0c4cb9eb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4e04f15bd4e10326af538c0a56ca79e350ae271319884fa19de1ab0c4cb9eb2", kill_on_drop: false }` [INFO] [stdout] c4e04f15bd4e10326af538c0a56ca79e350ae271319884fa19de1ab0c4cb9eb2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 056f0b6fb905c042943e345d26f3465feef2d5075d79adaa7787c0e378834200 [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" "056f0b6fb905c042943e345d26f3465feef2d5075d79adaa7787c0e378834200", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking indexmap v1.0.2 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking string v0.1.1 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking safemem v0.3.0 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Checking encoding_rs v0.8.10 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking http v0.1.13 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking uuid v0.7.1 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking lock_api v0.1.4 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling unicase v2.2.0 [INFO] [stderr] Checking crossbeam-deque v0.6.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Compiling openssl-sys v0.9.39 [INFO] [stderr] Checking tokio-threadpool v0.1.8 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking libflate v0.1.18 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Checking mime v0.3.12 [INFO] [stderr] Checking phf v0.7.23 [INFO] [stderr] Compiling phf_codegen v0.7.23 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Compiling openssl v0.10.15 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Checking serde_urlencoded v0.5.3 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking tokio-reactor v0.1.6 [INFO] [stderr] Checking h2 v0.1.13 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-uds v0.2.3 [INFO] [stderr] Checking tokio-udp v0.1.2 [INFO] [stderr] Checking tokio v0.1.11 [INFO] [stderr] Checking hyper v0.12.13 [INFO] [stderr] Checking hyper-tls v0.3.1 [INFO] [stderr] Checking reqwest v0.9.4 [INFO] [stderr] Checking mortal-coil v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:89:14 [INFO] [stdout] | [INFO] [stdout] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:89:24 [INFO] [stdout] | [INFO] [stdout] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `board` [INFO] [stdout] --> src/main.rs:89:34 [INFO] [stdout] | [INFO] [stdout] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `submit_board` [INFO] [stdout] --> src/main.rs:46:4 [INFO] [stdout] | [INFO] [stdout] 46 | fn submit_board(client: &Client, x: usize, y: usize, path: Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `try_solve` [INFO] [stdout] --> src/main.rs:89:4 [INFO] [stdout] | [INFO] [stdout] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `U` [INFO] [stdout] --> src/main.rs:95:5 [INFO] [stdout] | [INFO] [stdout] 95 | U, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `D` [INFO] [stdout] --> src/main.rs:96:5 [INFO] [stdout] | [INFO] [stdout] 96 | D, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `R` [INFO] [stdout] --> src/main.rs:97:5 [INFO] [stdout] | [INFO] [stdout] 97 | R, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `L` [INFO] [stdout] --> src/main.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 98 | L, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `url` should have an upper case name [INFO] [stdout] --> src/main.rs:14:7 [INFO] [stdout] | [INFO] [stdout] 14 | const url: &str = "http://www.hacker.org/coil/index.php"; [INFO] [stdout] | ^^^ help: convert the identifier to upper case: `URL` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:89:14 [INFO] [stdout] | [INFO] [stdout] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:89:24 [INFO] [stdout] | [INFO] [stdout] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `board` [INFO] [stdout] --> src/main.rs:89:34 [INFO] [stdout] | [INFO] [stdout] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `submit_board` [INFO] [stdout] --> src/main.rs:46:4 [INFO] [stdout] | [INFO] [stdout] 46 | fn submit_board(client: &Client, x: usize, y: usize, path: Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `try_solve` [INFO] [stdout] --> src/main.rs:89:4 [INFO] [stdout] | [INFO] [stdout] 89 | fn try_solve(x: usize, y: usize, board: &Board) -> Option> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `U` [INFO] [stdout] --> src/main.rs:95:5 [INFO] [stdout] | [INFO] [stdout] 95 | U, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `D` [INFO] [stdout] --> src/main.rs:96:5 [INFO] [stdout] | [INFO] [stdout] 96 | D, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `R` [INFO] [stdout] --> src/main.rs:97:5 [INFO] [stdout] | [INFO] [stdout] 97 | R, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `L` [INFO] [stdout] --> src/main.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 98 | L, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `url` should have an upper case name [INFO] [stdout] --> src/main.rs:14:7 [INFO] [stdout] | [INFO] [stdout] 14 | const url: &str = "http://www.hacker.org/coil/index.php"; [INFO] [stdout] | ^^^ help: convert the identifier to upper case: `URL` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 46.45s [INFO] running `Command { std: "docker" "inspect" "056f0b6fb905c042943e345d26f3465feef2d5075d79adaa7787c0e378834200", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "056f0b6fb905c042943e345d26f3465feef2d5075d79adaa7787c0e378834200", kill_on_drop: false }` [INFO] [stdout] 056f0b6fb905c042943e345d26f3465feef2d5075d79adaa7787c0e378834200