[INFO] cloning repository https://github.com/fmonniot/zelkova-lang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fmonniot/zelkova-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmonniot%2Fzelkova-lang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmonniot%2Fzelkova-lang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 90a88eeb1ac4f47cd784649d1a35a0cf0c2fbb7a [INFO] checking fmonniot/zelkova-lang against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmonniot%2Fzelkova-lang" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fmonniot/zelkova-lang on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fmonniot/zelkova-lang [INFO] finished tweaking git repo https://github.com/fmonniot/zelkova-lang [INFO] tweaked toml for git repo https://github.com/fmonniot/zelkova-lang written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/fmonniot/zelkova-lang 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unic-ucd-category v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8e92c35c1520d157640079cb868ff9c95a96cd53920c484e6941e623f2dcce4a [INFO] running `Command { std: "docker" "start" "-a" "8e92c35c1520d157640079cb868ff9c95a96cd53920c484e6941e623f2dcce4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e92c35c1520d157640079cb868ff9c95a96cd53920c484e6941e623f2dcce4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e92c35c1520d157640079cb868ff9c95a96cd53920c484e6941e623f2dcce4a", kill_on_drop: false }` [INFO] [stdout] 8e92c35c1520d157640079cb868ff9c95a96cd53920c484e6941e623f2dcce4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c598d1ee5e17ad62ba71753c3b40f8a8695a6ddfee63860b6123de977050178b [INFO] running `Command { std: "docker" "start" "-a" "c598d1ee5e17ad62ba71753c3b40f8a8695a6ddfee63860b6123de977050178b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling memchr v2.6.4 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling hashbrown v0.14.0 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling regex-syntax v0.7.5 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling fixedbitset v0.4.0 [INFO] [stderr] Compiling aho-corasick v1.0.1 [INFO] [stderr] Compiling indexmap v2.0.0 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling either v1.6.0 [INFO] [stderr] Compiling bit-vec v0.6.2 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Compiling itertools v0.11.0 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling petgraph v0.6.4 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling regex v1.8.1 [INFO] [stderr] Compiling pico-args v0.5.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking anstyle-parse v0.2.3 [INFO] [stderr] Checking unic-char-range v0.9.0 [INFO] [stderr] Checking anstyle-query v1.0.2 [INFO] [stderr] Checking unic-common v0.9.0 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Checking unic-ucd-version v0.9.0 [INFO] [stderr] Compiling string_cache v0.8.0 [INFO] [stderr] Checking unic-char-property v0.9.0 [INFO] [stderr] Checking anstream v0.6.11 [INFO] [stderr] Checking env_filter v0.1.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking humantime v2.0.1 [INFO] [stderr] Checking unic-ucd-category v0.9.0 [INFO] [stderr] Compiling lalrpop-util v0.20.2 [INFO] [stderr] Checking env_logger v0.11.3 [INFO] [stderr] Checking codespan-reporting v0.11.1 [INFO] [stderr] Compiling indoc v2.0.5 [INFO] [stderr] Compiling lalrpop v0.20.2 [INFO] [stderr] Compiling zelkova-lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Name` is imported redundantly [INFO] [stdout] --> src/compiler/dependencies.rs:148:69 [INFO] [stdout] | [INFO] [stdout] 146 | use super::*; [INFO] [stdout] | -------- the item `Name` is already imported here [INFO] [stdout] 147 | use crate::compiler::parser::{Exposing, Import}; [INFO] [stdout] 148 | use crate::compiler::{canonical, parser, Interface, ModuleName, Name, PackageName}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Position` is imported redundantly [INFO] [stdout] --> src/compiler/parser/layout.rs:398:9 [INFO] [stdout] | [INFO] [stdout] 396 | use super::*; [INFO] [stdout] | -------- the item `Position` is already imported here [INFO] [stdout] 397 | use crate::compiler::parser::*; [INFO] [stdout] 398 | use crate::compiler::position::Position; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Token` is imported redundantly [INFO] [stdout] --> src/compiler/parser/layout.rs:399:9 [INFO] [stdout] | [INFO] [stdout] 396 | use super::*; [INFO] [stdout] | -------- the item `Token` is already imported here [INFO] [stdout] ... [INFO] [stdout] 399 | use tokenizer::Token; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `associativity` and `precedence` are never read [INFO] [stdout] --> src/compiler/canonical/mod.rs:80:5 [INFO] [stdout] | [INFO] [stdout] 79 | pub struct Infix { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 80 | associativity: Associativity, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 81 | precedence: u8, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Infix` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `pattern` and `expression` are never read [INFO] [stdout] --> src/compiler/canonical/mod.rs:420:5 [INFO] [stdout] | [INFO] [stdout] 419 | pub struct CaseBranch { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 420 | pattern: Pattern, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 421 | expression: Expression, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CaseBranch` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `insert_local_value` is never used [INFO] [stdout] --> src/compiler/canonical/environment.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub trait Environment<'parent>: std::fmt::Debug { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 35 | fn insert_local_value(&mut self, name: &Name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `module_name` and `relative_path` are never read [INFO] [stdout] --> src/compiler/source/files.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct SourceFile { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 11 | module_name: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 12 | relative_path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SourceFile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/compiler/typer/mod.rs:142:9 [INFO] [stdout] | [INFO] [stdout] 140 | Int { [INFO] [stdout] | --- field in this variant [INFO] [stdout] 141 | tpe: Type, [INFO] [stdout] 142 | value: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/compiler/typer/mod.rs:146:9 [INFO] [stdout] | [INFO] [stdout] 144 | Bool { [INFO] [stdout] | ---- field in this variant [INFO] [stdout] 145 | tpe: Type, [INFO] [stdout] 146 | value: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/compiler/typer/mod.rs:151:9 [INFO] [stdout] | [INFO] [stdout] 149 | Identifier { [INFO] [stdout] | ---------- field in this variant [INFO] [stdout] 150 | tpe: Type, [INFO] [stdout] 151 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `associativity` and `precedence` are never read [INFO] [stdout] --> src/compiler/canonical/mod.rs:80:5 [INFO] [stdout] | [INFO] [stdout] 79 | pub struct Infix { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 80 | associativity: Associativity, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 81 | precedence: u8, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Infix` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `pattern` and `expression` are never read [INFO] [stdout] --> src/compiler/canonical/mod.rs:420:5 [INFO] [stdout] | [INFO] [stdout] 419 | pub struct CaseBranch { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 420 | pattern: Pattern, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 421 | expression: Expression, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CaseBranch` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `insert_local_value` is never used [INFO] [stdout] --> src/compiler/canonical/environment.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub trait Environment<'parent>: std::fmt::Debug { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 35 | fn insert_local_value(&mut self, name: &Name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `module_name` and `relative_path` are never read [INFO] [stdout] --> src/compiler/source/files.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct SourceFile { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 11 | module_name: String, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 12 | relative_path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SourceFile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/compiler/typer/mod.rs:142:9 [INFO] [stdout] | [INFO] [stdout] 140 | Int { [INFO] [stdout] | --- field in this variant [INFO] [stdout] 141 | tpe: Type, [INFO] [stdout] 142 | value: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/compiler/typer/mod.rs:146:9 [INFO] [stdout] | [INFO] [stdout] 144 | Bool { [INFO] [stdout] | ---- field in this variant [INFO] [stdout] 145 | tpe: Type, [INFO] [stdout] 146 | value: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/compiler/typer/mod.rs:151:9 [INFO] [stdout] | [INFO] [stdout] 149 | Identifier { [INFO] [stdout] | ---------- field in this variant [INFO] [stdout] 150 | tpe: Type, [INFO] [stdout] 151 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.78s [INFO] running `Command { std: "docker" "inspect" "c598d1ee5e17ad62ba71753c3b40f8a8695a6ddfee63860b6123de977050178b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c598d1ee5e17ad62ba71753c3b40f8a8695a6ddfee63860b6123de977050178b", kill_on_drop: false }` [INFO] [stdout] c598d1ee5e17ad62ba71753c3b40f8a8695a6ddfee63860b6123de977050178b [INFO] checking fmonniot/zelkova-lang against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmonniot%2Fzelkova-lang" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fmonniot/zelkova-lang on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fmonniot/zelkova-lang [INFO] finished tweaking git repo https://github.com/fmonniot/zelkova-lang [INFO] tweaked toml for git repo https://github.com/fmonniot/zelkova-lang written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/fmonniot/zelkova-lang 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e1369f8d08e40a49471c5d2403798aa5edd81fd70e3aea9b2ea25fef50f320f0 [INFO] running `Command { std: "docker" "start" "-a" "e1369f8d08e40a49471c5d2403798aa5edd81fd70e3aea9b2ea25fef50f320f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e1369f8d08e40a49471c5d2403798aa5edd81fd70e3aea9b2ea25fef50f320f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1369f8d08e40a49471c5d2403798aa5edd81fd70e3aea9b2ea25fef50f320f0", kill_on_drop: false }` [INFO] [stdout] e1369f8d08e40a49471c5d2403798aa5edd81fd70e3aea9b2ea25fef50f320f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2cb4c9b791d7018e5d6be34e49ad6592063d198ffb61635d6a314c49e719dd87 [INFO] running `Command { std: "docker" "start" "-a" "2cb4c9b791d7018e5d6be34e49ad6592063d198ffb61635d6a314c49e719dd87", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling memchr v2.6.4 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling hashbrown v0.14.0 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling bit-vec v0.6.2 [INFO] [stderr] Compiling fixedbitset v0.4.0 [INFO] [stderr] Compiling regex-syntax v0.7.5 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Checking aho-corasick v1.0.1 [INFO] [stderr] Compiling indexmap v2.0.0 [INFO] [stderr] Compiling either v1.6.0 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling petgraph v0.6.4 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Compiling itertools v0.11.0 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling pico-args v0.5.0 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking anstyle-parse v0.2.3 [INFO] [stderr] Compiling regex v1.8.1 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking unic-common v0.9.0 [INFO] [stderr] Checking anstyle-query v1.0.2 [INFO] [stderr] Checking unic-char-range v0.9.0 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Checking anstream v0.6.11 [INFO] [stderr] Checking unic-char-property v0.9.0 [INFO] [stderr] Compiling lalrpop-util v0.20.2 [INFO] [stderr] Checking unic-ucd-version v0.9.0 [INFO] [stderr] Compiling string_cache v0.8.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling lalrpop v0.20.2 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking humantime v2.0.1 [INFO] [stderr] Checking codespan-reporting v0.11.1 [INFO] [stderr] Checking env_filter v0.1.0 [INFO] [stderr] Checking unic-ucd-category v0.9.0 [INFO] [stderr] Checking env_logger v0.11.3 [INFO] [stderr] Compiling indoc v2.0.5 [INFO] [stderr] Compiling zelkova-lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Name` is imported redundantly [INFO] [stdout] --> src/compiler/dependencies.rs:148:69 [INFO] [stdout] | [INFO] [stdout] 146 | use super::*; [INFO] [stdout] | -------- the item `Name` is already imported here [INFO] [stdout] 147 | use crate::compiler::parser::{Exposing, Import}; [INFO] [stdout] 148 | use crate::compiler::{canonical, parser, Interface, ModuleName, Name, PackageName}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Position` is imported redundantly [INFO] [stdout] --> src/compiler/parser/layout.rs:398:9 [INFO] [stdout] | [INFO] [stdout] 396 | use super::*; [INFO] [stdout] | -------- the item `Position` is already imported here [INFO] [stdout] 397 | use crate::compiler::parser::*; [INFO] [stdout] 398 | use crate::compiler::position::Position; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Token` is imported redundantly [INFO] [stdout] --> src/compiler/parser/layout.rs:399:9 [INFO] [stdout] | [INFO] [stdout] 396 | use super::*; [INFO] [stdout] | -------- the item `Token` is already imported here [INFO] [stdout] ... [INFO] [stdout] 399 | use tokenizer::Token; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: a value of type `!` cannot be built from an iterator over elements of type `()` [INFO] [stdout] --> src/compiler/canonical/environment.rs:179:13 [INFO] [stdout] | [INFO] [stdout] 179 | collect_accumulate(iter).map_err(EnvError::Multiple)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ value of type `!` cannot be built from `std::iter::Iterator` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromIterator<()>` is not implemented for `!` [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 for more information) [INFO] [stdout] = help: did you intend to use the type `()` here instead? [INFO] [stdout] note: required by a bound in `collect_accumulate` [INFO] [stdout] --> src/utils.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn collect_accumulate(iterator: I) -> Result> [INFO] [stdout] | ------------------ required by a bound in this function [INFO] [stdout] ... [INFO] [stdout] 11 | R: FromIterator, [INFO] [stdout] | ^^^^^^^^^^^^^^^ required by this bound in `collect_accumulate` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: a value of type `!` cannot be built from an iterator over elements of type `()` [INFO] [stdout] --> src/compiler/canonical/environment.rs:179:13 [INFO] [stdout] | [INFO] [stdout] 179 | collect_accumulate(iter).map_err(EnvError::Multiple)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ value of type `!` cannot be built from `std::iter::Iterator` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromIterator<()>` is not implemented for `!` [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 for more information) [INFO] [stdout] = help: did you intend to use the type `()` here instead? [INFO] [stdout] note: required by a bound in `collect_accumulate` [INFO] [stdout] --> src/utils.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn collect_accumulate(iterator: I) -> Result> [INFO] [stdout] | ------------------ required by a bound in this function [INFO] [stdout] ... [INFO] [stdout] 11 | R: FromIterator, [INFO] [stdout] | ^^^^^^^^^^^^^^^ required by this bound in `collect_accumulate` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `zelkova-lang` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `zelkova-lang` (lib test) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "2cb4c9b791d7018e5d6be34e49ad6592063d198ffb61635d6a314c49e719dd87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2cb4c9b791d7018e5d6be34e49ad6592063d198ffb61635d6a314c49e719dd87", kill_on_drop: false }` [INFO] [stdout] 2cb4c9b791d7018e5d6be34e49ad6592063d198ffb61635d6a314c49e719dd87