[INFO] cloning repository https://github.com/pope/rust_tutorial [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pope/rust_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpope%2Frust_tutorial", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpope%2Frust_tutorial'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 082cb2bd9a7fa17b449d9b534729a0518cb40666 [INFO] checking pope/rust_tutorial against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpope%2Frust_tutorial" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/pope/rust_tutorial [INFO] finished tweaking git repo https://github.com/pope/rust_tutorial [INFO] tweaked toml for git repo https://github.com/pope/rust_tutorial written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/pope/rust_tutorial on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/pope/rust_tutorial 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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] | [INFO] [stderr] = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.139 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0b892df3a999b7d6b3ff9e0f1b3b76ddc9cb6f3e7e93bf30ef75667175bc884e [INFO] running `Command { std: "docker" "start" "-a" "0b892df3a999b7d6b3ff9e0f1b3b76ddc9cb6f3e7e93bf30ef75667175bc884e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b892df3a999b7d6b3ff9e0f1b3b76ddc9cb6f3e7e93bf30ef75667175bc884e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b892df3a999b7d6b3ff9e0f1b3b76ddc9cb6f3e7e93bf30ef75667175bc884e", kill_on_drop: false }` [INFO] [stdout] 0b892df3a999b7d6b3ff9e0f1b3b76ddc9cb6f3e7e93bf30ef75667175bc884e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 56413fcb66c6576faff5bfe8166487d93a0682ef7c12efea696417fa02d62538 [INFO] running `Command { std: "docker" "start" "-a" "56413fcb66c6576faff5bfe8166487d93a0682ef7c12efea696417fa02d62538", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] | [INFO] [stderr] = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking binary-heap v0.1.0 (/opt/rustwide/workdir/binary-heap) [INFO] [stderr] Checking d-linked-list v0.1.0 (/opt/rustwide/workdir/d-linked-list) [INFO] [stderr] Checking minigrep v0.1.0 (/opt/rustwide/workdir/minigrep) [INFO] [stderr] Checking adder v0.1.0 (/opt/rustwide/workdir/adder) [INFO] [stderr] Checking limit-tracker v0.1.0 (/opt/rustwide/workdir/limit-tracker) [INFO] [stderr] Checking restaurant v0.1.0 (/opt/rustwide/workdir/restaurant) [INFO] [stderr] Checking threads v0.1.0 (/opt/rustwide/workdir/threads) [INFO] [stderr] Checking chapter10 v0.1.0 (/opt/rustwide/workdir/chapter10) [INFO] [stderr] Checking shirt-company v0.1.0 (/opt/rustwide/workdir/shirt-company) [INFO] [stderr] Checking leaves-from-the-vine v0.1.0 (/opt/rustwide/workdir/leaves-from-the-vine) [INFO] [stderr] Checking backyard v0.1.0 (/opt/rustwide/workdir/backyard) [INFO] [stderr] Checking hello_cargo v0.1.0 (/opt/rustwide/workdir/hello_cargo) [INFO] [stderr] Checking k-nearest v0.1.0 (/opt/rustwide/workdir/k-nearest) [INFO] [stderr] Checking interior-mutability v0.1.0 (/opt/rustwide/workdir/interior-mutability) [INFO] [stderr] Checking rectangles v0.1.0 (/opt/rustwide/workdir/rectangles) [INFO] [stderr] Checking const-list v0.1.0 (/opt/rustwide/workdir/const-list) [INFO] [stderr] Checking variables v0.1.0 (/opt/rustwide/workdir/variables) [INFO] [stderr] Checking lru-map v0.1.0 (/opt/rustwide/workdir/lru-map) [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> const-list/src/main.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | Cons(i32, Box), [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)]` (part of `#[warn(unused)]`) 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] 7 - Cons(i32, Box), [INFO] [stdout] 7 + Cons((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> const-list/src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | RcCons(i32, Rc), [INFO] [stdout] | ------ ^^^ ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `RcList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 13 - RcCons(i32, Rc), [INFO] [stdout] 13 + RcCons((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> const-list/src/main.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | RcRefCons(Rc>, Rc), [INFO] [stdout] | --------- ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `RcRefList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 19 - RcRefCons(Rc>, Rc), [INFO] [stdout] 19 + RcRefCons((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> const-list/src/main.rs:7:7 [INFO] [stdout] | [INFO] [stdout] 7 | Cons(i32, Box), [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)]` (part of `#[warn(unused)]`) 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] 7 - Cons(i32, Box), [INFO] [stdout] 7 + Cons((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> const-list/src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | RcCons(i32, Rc), [INFO] [stdout] | ------ ^^^ ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `RcList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 13 - RcCons(i32, Rc), [INFO] [stdout] 13 + RcCons((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> const-list/src/main.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | RcRefCons(Rc>, Rc), [INFO] [stdout] | --------- ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `RcRefList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 19 - RcRefCons(Rc>, Rc), [INFO] [stdout] 19 + RcRefCons((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking guessing_game v0.1.0 (/opt/rustwide/workdir/guessing_game) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.31s [INFO] running `Command { std: "docker" "inspect" "56413fcb66c6576faff5bfe8166487d93a0682ef7c12efea696417fa02d62538", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56413fcb66c6576faff5bfe8166487d93a0682ef7c12efea696417fa02d62538", kill_on_drop: false }` [INFO] [stdout] 56413fcb66c6576faff5bfe8166487d93a0682ef7c12efea696417fa02d62538