[INFO] cloning repository https://github.com/JanotLeLapin/lea [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JanotLeLapin/lea" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJanotLeLapin%2Flea", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJanotLeLapin%2Flea'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fb95a24c614e25f42eee86ef907963ed5c13bd6e [INFO] checking JanotLeLapin/lea against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJanotLeLapin%2Flea" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JanotLeLapin/lea 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] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/JanotLeLapin/lea [INFO] finished tweaking git repo https://github.com/JanotLeLapin/lea [INFO] tweaked toml for git repo https://github.com/JanotLeLapin/lea written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/JanotLeLapin/lea 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] Downloading crates ... [INFO] [stderr] Downloaded pest_derive v2.7.6 [INFO] [stderr] Downloaded pest_meta v2.7.6 [INFO] [stderr] Downloaded pest_generator v2.7.6 [INFO] [stderr] Downloaded pest v2.7.6 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8a0b57e1989b1ae56595685097a15e3f78a4d7ce4655ae72bb91b00edc2c62ba [INFO] running `Command { std: "docker" "start" "-a" "8a0b57e1989b1ae56595685097a15e3f78a4d7ce4655ae72bb91b00edc2c62ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8a0b57e1989b1ae56595685097a15e3f78a4d7ce4655ae72bb91b00edc2c62ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a0b57e1989b1ae56595685097a15e3f78a4d7ce4655ae72bb91b00edc2c62ba", kill_on_drop: false }` [INFO] [stdout] 8a0b57e1989b1ae56595685097a15e3f78a4d7ce4655ae72bb91b00edc2c62ba [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ad04a95095fbe54fbaaa3107fdc9ca2fcfa4b6b88c9959b6f964801d81ae2d57 [INFO] running `Command { std: "docker" "start" "-a" "ad04a95095fbe54fbaaa3107fdc9ca2fcfa4b6b88c9959b6f964801d81ae2d57", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Compiling ucd-trie v0.1.6 [INFO] [stderr] Checking colored v2.1.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Compiling pest v2.7.6 [INFO] [stderr] Compiling pest_meta v2.7.6 [INFO] [stderr] Compiling pest_generator v2.7.6 [INFO] [stderr] Compiling pest_derive v2.7.6 [INFO] [stderr] Checking leac v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant `InterfaceMethod` is never constructed [INFO] [stdout] --> src/compiler/constant_pool.rs:6:31 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum Ref { Field, Method, InterfaceMethod } [INFO] [stdout] | --- ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | variant in this enum [INFO] [stdout] | [INFO] [stdout] = note: `Ref` 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] [INFO] [stdout] [INFO] [stdout] warning: fields `members` and `methods` are never read [INFO] [stdout] --> src/compiler/structure.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Structure<'a> { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 10 | pub name: &'a str, [INFO] [stdout] 11 | pub members: HashMap, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 12 | pub methods: HashMap>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Structure` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `InterfaceMethod` is never constructed [INFO] [stdout] --> src/compiler/constant_pool.rs:6:31 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum Ref { Field, Method, InterfaceMethod } [INFO] [stdout] | --- ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | variant in this enum [INFO] [stdout] | [INFO] [stdout] = note: `Ref` 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] [INFO] [stdout] [INFO] [stdout] warning: fields `members` and `methods` are never read [INFO] [stdout] --> src/compiler/structure.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Structure<'a> { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 10 | pub name: &'a str, [INFO] [stdout] 11 | pub members: HashMap, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 12 | pub methods: HashMap>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Structure` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.39s [INFO] running `Command { std: "docker" "inspect" "ad04a95095fbe54fbaaa3107fdc9ca2fcfa4b6b88c9959b6f964801d81ae2d57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad04a95095fbe54fbaaa3107fdc9ca2fcfa4b6b88c9959b6f964801d81ae2d57", kill_on_drop: false }` [INFO] [stdout] ad04a95095fbe54fbaaa3107fdc9ca2fcfa4b6b88c9959b6f964801d81ae2d57 [INFO] checking JanotLeLapin/lea against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJanotLeLapin%2Flea" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JanotLeLapin/lea 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] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/JanotLeLapin/lea [INFO] finished tweaking git repo https://github.com/JanotLeLapin/lea [INFO] tweaked toml for git repo https://github.com/JanotLeLapin/lea written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/JanotLeLapin/lea 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] [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e6bd0c21146df5496018157be02fa89137902b4ff67bd0fb49808a585cdd91eb [INFO] running `Command { std: "docker" "start" "-a" "e6bd0c21146df5496018157be02fa89137902b4ff67bd0fb49808a585cdd91eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e6bd0c21146df5496018157be02fa89137902b4ff67bd0fb49808a585cdd91eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6bd0c21146df5496018157be02fa89137902b4ff67bd0fb49808a585cdd91eb", kill_on_drop: false }` [INFO] [stdout] e6bd0c21146df5496018157be02fa89137902b4ff67bd0fb49808a585cdd91eb [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 76a8cfed96de1ff3119061015a9db62c8deed9d8393ef0d9bd12ec3bcc41fc9f [INFO] running `Command { std: "docker" "start" "-a" "76a8cfed96de1ff3119061015a9db62c8deed9d8393ef0d9bd12ec3bcc41fc9f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Compiling ucd-trie v0.1.6 [INFO] [stderr] Checking colored v2.1.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Compiling pest v2.7.6 [INFO] [stderr] Compiling pest_meta v2.7.6 [INFO] [stderr] Compiling pest_generator v2.7.6 [INFO] [stderr] Compiling pest_derive v2.7.6 [INFO] [stderr] Checking leac v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant `InterfaceMethod` is never constructed [INFO] [stdout] --> src/compiler/constant_pool.rs:6:31 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum Ref { Field, Method, InterfaceMethod } [INFO] [stdout] | --- ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | variant in this enum [INFO] [stdout] | [INFO] [stdout] = note: `Ref` 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] [INFO] [stdout] [INFO] [stdout] warning: fields `members` and `methods` are never read [INFO] [stdout] --> src/compiler/structure.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Structure<'a> { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 10 | pub name: &'a str, [INFO] [stdout] 11 | pub members: HashMap, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 12 | pub methods: HashMap>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Structure` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `InterfaceMethod` is never constructed [INFO] [stdout] --> src/compiler/constant_pool.rs:6:31 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum Ref { Field, Method, InterfaceMethod } [INFO] [stdout] | --- ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | variant in this enum [INFO] [stdout] | [INFO] [stdout] = note: `Ref` 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] [INFO] [stdout] [INFO] [stdout] warning: fields `members` and `methods` are never read [INFO] [stdout] --> src/compiler/structure.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Structure<'a> { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 10 | pub name: &'a str, [INFO] [stdout] 11 | pub members: HashMap, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 12 | pub methods: HashMap>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Structure` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.33s [INFO] running `Command { std: "docker" "inspect" "76a8cfed96de1ff3119061015a9db62c8deed9d8393ef0d9bd12ec3bcc41fc9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76a8cfed96de1ff3119061015a9db62c8deed9d8393ef0d9bd12ec3bcc41fc9f", kill_on_drop: false }` [INFO] [stdout] 76a8cfed96de1ff3119061015a9db62c8deed9d8393ef0d9bd12ec3bcc41fc9f