[INFO] cloning repository https://github.com/cenkcorapci/rust-demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cenkcorapci/rust-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcenkcorapci%2Frust-demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcenkcorapci%2Frust-demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 29df853261af1a1fd6a23bdd76f129972556b634 [INFO] checking cenkcorapci/rust-demo against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcenkcorapci%2Frust-demo" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cenkcorapci/rust-demo on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cenkcorapci/rust-demo [INFO] finished tweaking git repo https://github.com/cenkcorapci/rust-demo [INFO] tweaked toml for git repo https://github.com/cenkcorapci/rust-demo written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/cenkcorapci/rust-demo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 89d3c12e1d5a2de1b45793799d610323ee73f99854d8ad9508c4a5779f117d4d [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" "89d3c12e1d5a2de1b45793799d610323ee73f99854d8ad9508c4a5779f117d4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "89d3c12e1d5a2de1b45793799d610323ee73f99854d8ad9508c4a5779f117d4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89d3c12e1d5a2de1b45793799d610323ee73f99854d8ad9508c4a5779f117d4d", kill_on_drop: false }` [INFO] [stdout] 89d3c12e1d5a2de1b45793799d610323ee73f99854d8ad9508c4a5779f117d4d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 841a5ee12879a973a7f848ada221d1fdc841b10b917ffd64ba155c65b5977fc0 [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" "841a5ee12879a973a7f848ada221d1fdc841b10b917ffd64ba155c65b5977fc0", kill_on_drop: false }` [INFO] [stderr] Checking rust-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `fixed_size_array` [INFO] [stdout] --> src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let fixed_size_array: [i32; 4] = [1, 2, 3, 4]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fixed_size_array` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `freezable` is assigned to, but never used [INFO] [stdout] --> src/main.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let mut freezable: i32 = 2; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_freezable` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `freezable` [INFO] [stdout] --> src/main.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | let freezable = 3; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_freezable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `freezable` is never read [INFO] [stdout] --> src/main.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | freezable = 4; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/main.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let f = match f { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `another_func` [INFO] [stdout] --> src/a_folder/module_under_folder.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn another_func() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fixed_size_array` [INFO] [stdout] --> src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let fixed_size_array: [i32; 4] = [1, 2, 3, 4]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fixed_size_array` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `freezable` is assigned to, but never used [INFO] [stdout] --> src/main.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let mut freezable: i32 = 2; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_freezable` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `freezable` [INFO] [stdout] --> src/main.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | let freezable = 3; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_freezable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `freezable` is never read [INFO] [stdout] --> src/main.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | freezable = 4; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/main.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let f = match f { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `another_func` [INFO] [stdout] --> src/a_folder/module_under_folder.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn another_func() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `Command { std: "docker" "inspect" "841a5ee12879a973a7f848ada221d1fdc841b10b917ffd64ba155c65b5977fc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "841a5ee12879a973a7f848ada221d1fdc841b10b917ffd64ba155c65b5977fc0", kill_on_drop: false }` [INFO] [stdout] 841a5ee12879a973a7f848ada221d1fdc841b10b917ffd64ba155c65b5977fc0