[INFO] cloning repository https://github.com/enklht/trees_that_grow_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/enklht/trees_that_grow_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenklht%2Ftrees_that_grow_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenklht%2Ftrees_that_grow_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8efc9ce58334c83d2b8e3e2165199db584a40cd8 [INFO] checking enklht/trees_that_grow_rs against try#50d7e48beb74b48bd17c3749bfb73843c9ae0166 for pr-151102 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenklht%2Ftrees_that_grow_rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/enklht/trees_that_grow_rs [INFO] finished tweaking git repo https://github.com/enklht/trees_that_grow_rs [INFO] tweaked toml for git repo https://github.com/enklht/trees_that_grow_rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/enklht/trees_that_grow_rs on toolchain 50d7e48beb74b48bd17c3749bfb73843c9ae0166 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/enklht/trees_that_grow_rs 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" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking enklht/trees_that_grow_rs against try#50d7e48beb74b48bd17c3749bfb73843c9ae0166 for pr-151102 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenklht%2Ftrees_that_grow_rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/enklht/trees_that_grow_rs [INFO] finished tweaking git repo https://github.com/enklht/trees_that_grow_rs [INFO] tweaked toml for git repo https://github.com/enklht/trees_that_grow_rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/enklht/trees_that_grow_rs on toolchain 50d7e48beb74b48bd17c3749bfb73843c9ae0166 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/enklht/trees_that_grow_rs 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" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b6e4931d37fcc426150757e071cfeff229cf3930aeb6457c5e50152c15d39b1 [INFO] running `Command { std: "docker" "start" "-a" "2b6e4931d37fcc426150757e071cfeff229cf3930aeb6457c5e50152c15d39b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b6e4931d37fcc426150757e071cfeff229cf3930aeb6457c5e50152c15d39b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b6e4931d37fcc426150757e071cfeff229cf3930aeb6457c5e50152c15d39b1", kill_on_drop: false }` [INFO] [stdout] 2b6e4931d37fcc426150757e071cfeff229cf3930aeb6457c5e50152c15d39b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 26b21f370a281f8c5642b8f7a32c6ba6ecd5c3ff5e4b314a073f3afdeadc4c44 [INFO] running `Command { std: "docker" "start" "-a" "26b21f370a281f8c5642b8f7a32c6ba6ecd5c3ff5e4b314a073f3afdeadc4c44", kill_on_drop: false }` [INFO] [stderr] Checking trees_that_grow v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: enum `Typ` is never used [INFO] [stdout] --> src/main.rs:3:6 [INFO] [stdout] | [INFO] [stdout] 3 | enum Typ { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Descriptor` is never used [INFO] [stdout] --> src/main.rs:8:7 [INFO] [stdout] | [INFO] [stdout] 8 | trait Descriptor { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Exp` is never used [INFO] [stdout] --> src/main.rs:17:6 [INFO] [stdout] | [INFO] [stdout] 17 | enum Exp { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `UD` is never constructed [INFO] [stdout] --> src/main.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | struct UD; [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `ExpUD` is never used [INFO] [stdout] --> src/main.rs:39:6 [INFO] [stdout] | [INFO] [stdout] 39 | type ExpUD = Exp; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TC` is never constructed [INFO] [stdout] --> src/main.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | struct TC; [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `ExpTC` is never used [INFO] [stdout] --> src/main.rs:51:6 [INFO] [stdout] | [INFO] [stdout] 51 | type ExpTC = Exp; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PE` is never constructed [INFO] [stdout] --> src/main.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | struct PE; [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `ExpPE` is never used [INFO] [stdout] --> src/main.rs:63:6 [INFO] [stdout] | [INFO] [stdout] 63 | type ExpPE = Exp; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `check` is never used [INFO] [stdout] --> src/main.rs:68:4 [INFO] [stdout] | [INFO] [stdout] 68 | fn check(exp: &ExpTC, typ: Typ, env: &HashMap) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_type` is never used [INFO] [stdout] --> src/main.rs:115:4 [INFO] [stdout] | [INFO] [stdout] 115 | fn print_type(typ: &Typ) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Printer` is never used [INFO] [stdout] --> src/main.rs:136:7 [INFO] [stdout] | [INFO] [stdout] 136 | trait Printer { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_exp` is never used [INFO] [stdout] --> src/main.rs:157:4 [INFO] [stdout] | [INFO] [stdout] 157 | fn print_exp>(exp: &Exp) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PrinterPE` is never constructed [INFO] [stdout] --> src/main.rs:185:8 [INFO] [stdout] | [INFO] [stdout] 185 | struct PrinterPE; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LE` is never constructed [INFO] [stdout] --> src/main.rs:213:8 [INFO] [stdout] | [INFO] [stdout] 213 | struct LE { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `ExpLE` is never used [INFO] [stdout] --> src/main.rs:224:6 [INFO] [stdout] | [INFO] [stdout] 224 | type ExpLE = Exp>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> src/main.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | Lit(X::Lit, i32), [INFO] [stdout] | --- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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] 18 - Lit(X::Lit, i32), [INFO] [stdout] 18 + Lit(X::Lit, ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Var`, `Ann`, `Abs`, `App`, and `Exp` are never constructed [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 17 | enum Exp { [INFO] [stdout] | --- variants in this enum [INFO] [stdout] 18 | Lit(X::Lit, i32), [INFO] [stdout] 19 | Var(X::Var, String), [INFO] [stdout] | ^^^ [INFO] [stdout] 20 | Ann(X::Ann, Box>, Typ), [INFO] [stdout] | ^^^ [INFO] [stdout] 21 | Abs(X::Abs, String, Box>), [INFO] [stdout] | ^^^ [INFO] [stdout] 22 | App(X::App, Box>, Box>), [INFO] [stdout] | ^^^ [INFO] [stdout] 23 | Exp(X::Exp), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `UD` is never constructed [INFO] [stdout] --> src/main.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | struct UD; [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `ExpUD` is never used [INFO] [stdout] --> src/main.rs:39:6 [INFO] [stdout] | [INFO] [stdout] 39 | type ExpUD = Exp; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PE` is never constructed [INFO] [stdout] --> src/main.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | struct PE; [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `ExpPE` is never used [INFO] [stdout] --> src/main.rs:63:6 [INFO] [stdout] | [INFO] [stdout] 63 | type ExpPE = Exp; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_type` is never used [INFO] [stdout] --> src/main.rs:115:4 [INFO] [stdout] | [INFO] [stdout] 115 | fn print_type(typ: &Typ) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Printer` is never used [INFO] [stdout] --> src/main.rs:136:7 [INFO] [stdout] | [INFO] [stdout] 136 | trait Printer { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_exp` is never used [INFO] [stdout] --> src/main.rs:157:4 [INFO] [stdout] | [INFO] [stdout] 157 | fn print_exp>(exp: &Exp) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PrinterPE` is never constructed [INFO] [stdout] --> src/main.rs:185:8 [INFO] [stdout] | [INFO] [stdout] 185 | struct PrinterPE; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LE` is never constructed [INFO] [stdout] --> src/main.rs:213:8 [INFO] [stdout] | [INFO] [stdout] 213 | struct LE { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `ExpLE` is never used [INFO] [stdout] --> src/main.rs:224:6 [INFO] [stdout] | [INFO] [stdout] 224 | type ExpLE = Exp>; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] running `Command { std: "docker" "inspect" "26b21f370a281f8c5642b8f7a32c6ba6ecd5c3ff5e4b314a073f3afdeadc4c44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26b21f370a281f8c5642b8f7a32c6ba6ecd5c3ff5e4b314a073f3afdeadc4c44", kill_on_drop: false }` [INFO] [stdout] 26b21f370a281f8c5642b8f7a32c6ba6ecd5c3ff5e4b314a073f3afdeadc4c44