[INFO] cloning repository https://github.com/NicolasLagaillardie/variables [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NicolasLagaillardie/variables" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicolasLagaillardie%2Fvariables", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicolasLagaillardie%2Fvariables'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b591bdf823545309575235fe49912a37c8cd740b [INFO] testing NicolasLagaillardie/variables against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicolasLagaillardie%2Fvariables" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NicolasLagaillardie/variables on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NicolasLagaillardie/variables [INFO] finished tweaking git repo https://github.com/NicolasLagaillardie/variables [INFO] tweaked toml for git repo https://github.com/NicolasLagaillardie/variables written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/NicolasLagaillardie/variables already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 25a7152cb2c17cbf07879f0adb4c2ea14c80272ae08f02140884d4bb8323acd0 [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" "25a7152cb2c17cbf07879f0adb4c2ea14c80272ae08f02140884d4bb8323acd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25a7152cb2c17cbf07879f0adb4c2ea14c80272ae08f02140884d4bb8323acd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25a7152cb2c17cbf07879f0adb4c2ea14c80272ae08f02140884d4bb8323acd0", kill_on_drop: false }` [INFO] [stdout] 25a7152cb2c17cbf07879f0adb4c2ea14c80272ae08f02140884d4bb8323acd0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aaf0987370de50887d32ce6f6092ee763ca85298e0c6fcb418dea55fafc56991 [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" "aaf0987370de50887d32ce6f6092ee763ca85298e0c6fcb418dea55fafc56991", kill_on_drop: false }` [INFO] [stderr] Compiling variables v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::process` [INFO] [stdout] --> src/main.rs:1229:5 [INFO] [stdout] | [INFO] [stdout] 1229 | use std::process; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/main.rs:722:14 [INFO] [stdout] | [INFO] [stdout] 722 | _ => count += 1, [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: value assigned to `count` is never read [INFO] [stdout] --> src/main.rs:732:9 [INFO] [stdout] | [INFO] [stdout] 732 | count += 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:801:9 [INFO] [stdout] | [INFO] [stdout] 801 | let mut s = String::new(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `username` [INFO] [stdout] --> src/main.rs:468:5 [INFO] [stdout] | [INFO] [stdout] 468 | username: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sign_in_count` [INFO] [stdout] --> src/main.rs:470:5 [INFO] [stdout] | [INFO] [stdout] 470 | sign_in_count: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `active` [INFO] [stdout] --> src/main.rs:471:5 [INFO] [stdout] | [INFO] [stdout] 471 | active: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `kind` [INFO] [stdout] --> src/main.rs:594:5 [INFO] [stdout] | [INFO] [stdout] 594 | kind: IpAddrKind, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `address` [INFO] [stdout] --> src/main.rs:595:5 [INFO] [stdout] | [INFO] [stdout] 595 | address: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Message` [INFO] [stdout] --> src/main.rs:647:6 [INFO] [stdout] | [INFO] [stdout] 647 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Alaska` [INFO] [stdout] --> src/main.rs:659:5 [INFO] [stdout] | [INFO] [stdout] 659 | Alaska, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> src/main.rs:665:5 [INFO] [stdout] | [INFO] [stdout] 665 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> src/main.rs:666:5 [INFO] [stdout] | [INFO] [stdout] 666 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_username_from_file` [INFO] [stdout] --> src/main.rs:983:4 [INFO] [stdout] | [INFO] [stdout] 983 | fn read_username_from_file() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_username_from_file_improved` [INFO] [stdout] --> src/main.rs:1001:4 [INFO] [stdout] | [INFO] [stdout] 1001 | fn read_username_from_file_improved() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_username_from_file_dynamic` [INFO] [stdout] --> src/main.rs:1019:4 [INFO] [stdout] | [INFO] [stdout] 1019 | fn read_username_from_file_dynamic() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_summarizable` [INFO] [stdout] --> src/main.rs:1140:4 [INFO] [stdout] | [INFO] [stdout] 1140 | fn returns_summarizable() -> impl Summary { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Pair` [INFO] [stdout] --> src/main.rs:1163:8 [INFO] [stdout] | [INFO] [stdout] 1163 | struct Pair{ [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:1169:8 [INFO] [stdout] | [INFO] [stdout] 1169 | fn new(x: T, y:T) -> Self{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cmp_display` [INFO] [stdout] --> src/main.rs:1178:8 [INFO] [stdout] | [INFO] [stdout] 1178 | fn cmp_display(&self){ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `part` [INFO] [stdout] --> src/main.rs:1196:5 [INFO] [stdout] | [INFO] [stdout] 1196 | part: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `longest_with_an_announcement` [INFO] [stdout] --> src/main.rs:1219:4 [INFO] [stdout] | [INFO] [stdout] 1219 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.79s [INFO] running `Command { std: "docker" "inspect" "aaf0987370de50887d32ce6f6092ee763ca85298e0c6fcb418dea55fafc56991", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aaf0987370de50887d32ce6f6092ee763ca85298e0c6fcb418dea55fafc56991", kill_on_drop: false }` [INFO] [stdout] aaf0987370de50887d32ce6f6092ee763ca85298e0c6fcb418dea55fafc56991 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 691df1127f4c632ce614b7c34fa3047e3d258b455d98ec74de97d5092133c059 [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" "691df1127f4c632ce614b7c34fa3047e3d258b455d98ec74de97d5092133c059", kill_on_drop: false }` [INFO] [stderr] Compiling variables v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::process` [INFO] [stdout] --> src/main.rs:1229:5 [INFO] [stdout] | [INFO] [stdout] 1229 | use std::process; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/main.rs:722:14 [INFO] [stdout] | [INFO] [stdout] 722 | _ => count += 1, [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: value assigned to `count` is never read [INFO] [stdout] --> src/main.rs:732:9 [INFO] [stdout] | [INFO] [stdout] 732 | count += 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:801:9 [INFO] [stdout] | [INFO] [stdout] 801 | let mut s = String::new(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `username` [INFO] [stdout] --> src/main.rs:468:5 [INFO] [stdout] | [INFO] [stdout] 468 | username: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sign_in_count` [INFO] [stdout] --> src/main.rs:470:5 [INFO] [stdout] | [INFO] [stdout] 470 | sign_in_count: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `active` [INFO] [stdout] --> src/main.rs:471:5 [INFO] [stdout] | [INFO] [stdout] 471 | active: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `kind` [INFO] [stdout] --> src/main.rs:594:5 [INFO] [stdout] | [INFO] [stdout] 594 | kind: IpAddrKind, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `address` [INFO] [stdout] --> src/main.rs:595:5 [INFO] [stdout] | [INFO] [stdout] 595 | address: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Message` [INFO] [stdout] --> src/main.rs:647:6 [INFO] [stdout] | [INFO] [stdout] 647 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Alaska` [INFO] [stdout] --> src/main.rs:659:5 [INFO] [stdout] | [INFO] [stdout] 659 | Alaska, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> src/main.rs:665:5 [INFO] [stdout] | [INFO] [stdout] 665 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> src/main.rs:666:5 [INFO] [stdout] | [INFO] [stdout] 666 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_username_from_file` [INFO] [stdout] --> src/main.rs:983:4 [INFO] [stdout] | [INFO] [stdout] 983 | fn read_username_from_file() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_username_from_file_improved` [INFO] [stdout] --> src/main.rs:1001:4 [INFO] [stdout] | [INFO] [stdout] 1001 | fn read_username_from_file_improved() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_username_from_file_dynamic` [INFO] [stdout] --> src/main.rs:1019:4 [INFO] [stdout] | [INFO] [stdout] 1019 | fn read_username_from_file_dynamic() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_summarizable` [INFO] [stdout] --> src/main.rs:1140:4 [INFO] [stdout] | [INFO] [stdout] 1140 | fn returns_summarizable() -> impl Summary { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Pair` [INFO] [stdout] --> src/main.rs:1163:8 [INFO] [stdout] | [INFO] [stdout] 1163 | struct Pair{ [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:1169:8 [INFO] [stdout] | [INFO] [stdout] 1169 | fn new(x: T, y:T) -> Self{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cmp_display` [INFO] [stdout] --> src/main.rs:1178:8 [INFO] [stdout] | [INFO] [stdout] 1178 | fn cmp_display(&self){ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `part` [INFO] [stdout] --> src/main.rs:1196:5 [INFO] [stdout] | [INFO] [stdout] 1196 | part: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `longest_with_an_announcement` [INFO] [stdout] --> src/main.rs:1219:4 [INFO] [stdout] | [INFO] [stdout] 1219 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.17s [INFO] running `Command { std: "docker" "inspect" "691df1127f4c632ce614b7c34fa3047e3d258b455d98ec74de97d5092133c059", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "691df1127f4c632ce614b7c34fa3047e3d258b455d98ec74de97d5092133c059", kill_on_drop: false }` [INFO] [stdout] 691df1127f4c632ce614b7c34fa3047e3d258b455d98ec74de97d5092133c059 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 516ea82702e21472616d809561a3aa9b021c3ccc028309af9a7154b4846b1535 [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" "516ea82702e21472616d809561a3aa9b021c3ccc028309af9a7154b4846b1535", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused import: `std::process` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:1229:5 [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] 1229 | use std::process; [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `count` is never read [INFO] [stderr] --> src/main.rs:722:14 [INFO] [stderr] | [INFO] [stderr] 722 | _ => count += 1, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `count` is never read [INFO] [stderr] --> src/main.rs:732:9 [INFO] [stderr] | [INFO] [stderr] 732 | count += 1; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:801:9 [INFO] [stderr] | [INFO] [stderr] 801 | let mut s = String::new(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `username` [INFO] [stderr] --> src/main.rs:468:5 [INFO] [stderr] | [INFO] [stderr] 468 | username: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `sign_in_count` [INFO] [stderr] --> src/main.rs:470:5 [INFO] [stderr] | [INFO] [stderr] 470 | sign_in_count: u64, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `active` [INFO] [stderr] --> src/main.rs:471:5 [INFO] [stderr] | [INFO] [stderr] 471 | active: bool, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `kind` [INFO] [stderr] --> src/main.rs:594:5 [INFO] [stderr] | [INFO] [stderr] 594 | kind: IpAddrKind, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `address` [INFO] [stderr] --> src/main.rs:595:5 [INFO] [stderr] | [INFO] [stderr] 595 | address: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Message` [INFO] [stderr] --> src/main.rs:647:6 [INFO] [stderr] | [INFO] [stderr] 647 | enum Message { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Alaska` [INFO] [stderr] --> src/main.rs:659:5 [INFO] [stderr] | [INFO] [stderr] 659 | Alaska, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nickel` [INFO] [stderr] --> src/main.rs:665:5 [INFO] [stderr] | [INFO] [stderr] 665 | Nickel, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Dime` [INFO] [stderr] --> src/main.rs:666:5 [INFO] [stderr] | [INFO] [stderr] 666 | Dime, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `read_username_from_file` [INFO] [stderr] --> src/main.rs:983:4 [INFO] [stderr] | [INFO] [stderr] 983 | fn read_username_from_file() -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `read_username_from_file_improved` [INFO] [stderr] --> src/main.rs:1001:4 [INFO] [stderr] | [INFO] [stderr] 1001 | fn read_username_from_file_improved() -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `read_username_from_file_dynamic` [INFO] [stderr] --> src/main.rs:1019:4 [INFO] [stderr] | [INFO] [stderr] 1019 | fn read_username_from_file_dynamic() -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `returns_summarizable` [INFO] [stderr] --> src/main.rs:1140:4 [INFO] [stderr] | [INFO] [stderr] 1140 | fn returns_summarizable() -> impl Summary { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Pair` [INFO] [stderr] --> src/main.rs:1163:8 [INFO] [stderr] | [INFO] [stderr] 1163 | struct Pair{ [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/main.rs:1169:8 [INFO] [stderr] | [INFO] [stderr] 1169 | fn new(x: T, y:T) -> Self{ [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `cmp_display` [INFO] [stderr] --> src/main.rs:1178:8 [INFO] [stderr] | [INFO] [stderr] 1178 | fn cmp_display(&self){ [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `part` [INFO] [stderr] --> src/main.rs:1196:5 [INFO] [stderr] | [INFO] [stderr] 1196 | part: &'a str, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `longest_with_an_announcement` [INFO] [stderr] --> src/main.rs:1219:4 [INFO] [stderr] | [INFO] [stderr] 1219 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `variables` (bin "variables" test) generated 22 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/variables-70c2e514e0f142d6) [INFO] running `Command { std: "docker" "inspect" "516ea82702e21472616d809561a3aa9b021c3ccc028309af9a7154b4846b1535", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "516ea82702e21472616d809561a3aa9b021c3ccc028309af9a7154b4846b1535", kill_on_drop: false }` [INFO] [stdout] 516ea82702e21472616d809561a3aa9b021c3ccc028309af9a7154b4846b1535