[INFO] cloning repository https://github.com/t18b219k/petit_compiler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/t18b219k/petit_compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft18b219k%2Fpetit_compiler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft18b219k%2Fpetit_compiler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d7c943e46ef0948d13cbb31212d9cb93d675f81b [INFO] checking t18b219k/petit_compiler against master#ac385a5af6d9fa8399a0cec799833cd28324abf8 for pr-125107 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft18b219k%2Fpetit_compiler" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/t18b219k/petit_compiler on toolchain ac385a5af6d9fa8399a0cec799833cd28324abf8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac385a5af6d9fa8399a0cec799833cd28324abf8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/t18b219k/petit_compiler [INFO] finished tweaking git repo https://github.com/t18b219k/petit_compiler [INFO] tweaked toml for git repo https://github.com/t18b219k/petit_compiler written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/t18b219k/petit_compiler 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" "+ac385a5af6d9fa8399a0cec799833cd28324abf8" "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 [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking t18b219k/petit_compiler against try#9130c02509ce15f69dc5da6359bb9d140d41d4ac for pr-125107 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft18b219k%2Fpetit_compiler" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/t18b219k/petit_compiler on toolchain 9130c02509ce15f69dc5da6359bb9d140d41d4ac [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9130c02509ce15f69dc5da6359bb9d140d41d4ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/t18b219k/petit_compiler [INFO] finished tweaking git repo https://github.com/t18b219k/petit_compiler [INFO] tweaked toml for git repo https://github.com/t18b219k/petit_compiler written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/t18b219k/petit_compiler 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" "+9130c02509ce15f69dc5da6359bb9d140d41d4ac" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+9130c02509ce15f69dc5da6359bb9d140d41d4ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 247746fb31eb2664c2cf2430b42e54ff6b7aa6acaad6aa09f9b7a48ec982e0d1 [INFO] running `Command { std: "docker" "start" "-a" "247746fb31eb2664c2cf2430b42e54ff6b7aa6acaad6aa09f9b7a48ec982e0d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "247746fb31eb2664c2cf2430b42e54ff6b7aa6acaad6aa09f9b7a48ec982e0d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "247746fb31eb2664c2cf2430b42e54ff6b7aa6acaad6aa09f9b7a48ec982e0d1", kill_on_drop: false }` [INFO] [stdout] 247746fb31eb2664c2cf2430b42e54ff6b7aa6acaad6aa09f9b7a48ec982e0d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+9130c02509ce15f69dc5da6359bb9d140d41d4ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d28724a2eff3fa71ba0e6d05f510bacdb8e9817047c1775bfb9fec0922c4ff17 [INFO] running `Command { std: "docker" "start" "-a" "d28724a2eff3fa71ba0e6d05f510bacdb8e9817047c1775bfb9fec0922c4ff17", kill_on_drop: false }` [INFO] [stderr] Checking rust_petit_compiler_compiler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:59:7 [INFO] [stdout] | [INFO] [stdout] 59 | E(E), [INFO] [stdout] | - ^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 59 | E(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/main.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 63 | EPlusP(Box, Box

), [INFO] [stdout] | ------ ^^^^^^ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [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] 63 | EPlusP((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:64:7 [INFO] [stdout] | [INFO] [stdout] 64 | P(Box

), [INFO] [stdout] | - ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 64 | P(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:69:16 [INFO] [stdout] | [INFO] [stdout] 69 | Expression(Box), [INFO] [stdout] | ---------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 69 | Expression(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:74:7 [INFO] [stdout] | [INFO] [stdout] 74 | S(S), [INFO] [stdout] | - ^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 74 | S(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `EOFSupply` is never used [INFO] [stdout] --> src/bnf.rs:50:11 [INFO] [stdout] | [INFO] [stdout] 50 | pub trait EOFSupply { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ItemClosure0` is never constructed [INFO] [stdout] --> src/item_set.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct ItemClosure0(pub BTreeSet>) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ItemClosure0` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `IntoSymbolKind` is never used [INFO] [stdout] --> src/item_set.rs:406:11 [INFO] [stdout] | [INFO] [stdout] 406 | pub trait IntoSymbolKind [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:59:7 [INFO] [stdout] | [INFO] [stdout] 59 | E(E), [INFO] [stdout] | - ^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 59 | E(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/main.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 63 | EPlusP(Box, Box

), [INFO] [stdout] | ------ ^^^^^^ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [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] 63 | EPlusP((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:64:7 [INFO] [stdout] | [INFO] [stdout] 64 | P(Box

), [INFO] [stdout] | - ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 64 | P(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:69:16 [INFO] [stdout] | [INFO] [stdout] 69 | Expression(Box), [INFO] [stdout] | ---------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 69 | Expression(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:74:7 [INFO] [stdout] | [INFO] [stdout] 74 | S(S), [INFO] [stdout] | - ^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 74 | S(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `EOFSupply` is never used [INFO] [stdout] --> src/bnf.rs:50:11 [INFO] [stdout] | [INFO] [stdout] 50 | pub trait EOFSupply { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ItemClosure0` is never constructed [INFO] [stdout] --> src/item_set.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct ItemClosure0(pub BTreeSet>) [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ItemClosure0` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `IntoSymbolKind` is never used [INFO] [stdout] --> src/item_set.rs:406:11 [INFO] [stdout] | [INFO] [stdout] 406 | pub trait IntoSymbolKind [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "d28724a2eff3fa71ba0e6d05f510bacdb8e9817047c1775bfb9fec0922c4ff17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d28724a2eff3fa71ba0e6d05f510bacdb8e9817047c1775bfb9fec0922c4ff17", kill_on_drop: false }` [INFO] [stdout] d28724a2eff3fa71ba0e6d05f510bacdb8e9817047c1775bfb9fec0922c4ff17