[INFO] cloning repository https://github.com/waleedsamy/hello_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/waleedsamy/hello_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaleedsamy%2Fhello_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaleedsamy%2Fhello_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 31e549036d986e1b30fe063faafdb4382cfeb167 [INFO] checking waleedsamy/hello_rust against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaleedsamy%2Fhello_rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/waleedsamy/hello_rust [INFO] finished tweaking git repo https://github.com/waleedsamy/hello_rust [INFO] tweaked toml for git repo https://github.com/waleedsamy/hello_rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/waleedsamy/hello_rust on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/waleedsamy/hello_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c017bd5cd9a706e1d4cd1509f93beffa1bbd63d63bcdaee17e0ca356172695ba [INFO] running `Command { std: "docker" "start" "-a" "c017bd5cd9a706e1d4cd1509f93beffa1bbd63d63bcdaee17e0ca356172695ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c017bd5cd9a706e1d4cd1509f93beffa1bbd63d63bcdaee17e0ca356172695ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c017bd5cd9a706e1d4cd1509f93beffa1bbd63d63bcdaee17e0ca356172695ba", kill_on_drop: false }` [INFO] [stdout] c017bd5cd9a706e1d4cd1509f93beffa1bbd63d63bcdaee17e0ca356172695ba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 89abb4bc5c87760f5f9a22a1f72ec3602afc871620ec9ef797e14b30c9f852b2 [INFO] running `Command { std: "docker" "start" "-a" "89abb4bc5c87760f5f9a22a1f72ec3602afc871620ec9ef797e14b30c9f852b2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Checking unicode-segmentation v1.6.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking hello_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/learn_vectors.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | Int(i32), [INFO] [stdout] | --- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SpreadSheet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 39 - Int(i32), [INFO] [stdout] 39 + Int(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/learn_vectors.rs:40:15 [INFO] [stdout] | [INFO] [stdout] 40 | Float(f32), [INFO] [stdout] | ----- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SpreadSheet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 40 - Float(f32), [INFO] [stdout] 40 + Float(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/learn_vectors.rs:41:14 [INFO] [stdout] | [INFO] [stdout] 41 | Text(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SpreadSheet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 41 - Text(String), [INFO] [stdout] 41 + Text(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/bin/learn_box_rc.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | Cons(Rc>, Rc>), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 5 - Cons(Rc>, Rc>), [INFO] [stdout] 5 + Cons((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/bin/learn_box_rc.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | Cons(Rc>, Rc>), [INFO] [stdout] | ---- ^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 5 - Cons(Rc>, Rc>), [INFO] [stdout] 5 + Cons((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.69s [INFO] running `Command { std: "docker" "inspect" "89abb4bc5c87760f5f9a22a1f72ec3602afc871620ec9ef797e14b30c9f852b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89abb4bc5c87760f5f9a22a1f72ec3602afc871620ec9ef797e14b30c9f852b2", kill_on_drop: false }` [INFO] [stdout] 89abb4bc5c87760f5f9a22a1f72ec3602afc871620ec9ef797e14b30c9f852b2