[INFO] cloning repository https://github.com/kotofurumiya/felt [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kotofurumiya/felt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkotofurumiya%2Ffelt", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkotofurumiya%2Ffelt'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c0bbe9b4a98f1d631847bb98d6ad35c104da57e6 [INFO] checking kotofurumiya/felt against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkotofurumiya%2Ffelt" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kotofurumiya/felt 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/kotofurumiya/felt [INFO] finished tweaking git repo https://github.com/kotofurumiya/felt [INFO] tweaked toml for git repo https://github.com/kotofurumiya/felt written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kotofurumiya/felt 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6981d59db65805a4942fd4a5367df3b8f95b9c850681b1753ab1a233985d8ee6 [INFO] running `Command { std: "docker" "start" "-a" "6981d59db65805a4942fd4a5367df3b8f95b9c850681b1753ab1a233985d8ee6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6981d59db65805a4942fd4a5367df3b8f95b9c850681b1753ab1a233985d8ee6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6981d59db65805a4942fd4a5367df3b8f95b9c850681b1753ab1a233985d8ee6", kill_on_drop: false }` [INFO] [stdout] 6981d59db65805a4942fd4a5367df3b8f95b9c850681b1753ab1a233985d8ee6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 89a0831db3625ace8964efbbb707fc36b0f941a826d91eaba2cc3b2130cdc1b3 [INFO] running `Command { std: "docker" "start" "-a" "89a0831db3625ace8964efbbb707fc36b0f941a826d91eaba2cc3b2130cdc1b3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking dirs v3.0.2 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking felt v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/feltlib.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `toml` is imported redundantly [INFO] [stdout] --> src/feltlib.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | use toml; [INFO] [stdout] | ^^^^ the item `toml` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/feltlib.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `toml` is imported redundantly [INFO] [stdout] --> src/feltlib.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | use toml; [INFO] [stdout] | ^^^^ the item `toml` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `use_node_modules` is never read [INFO] [stdout] --> src/felt.rs:83:5 [INFO] [stdout] | [INFO] [stdout] 80 | struct FeltCommand<'a> { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 83 | use_node_modules: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FeltCommand` 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: field `toml` is never read [INFO] [stdout] --> src/feltlib.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 29 | pub struct FeltRcCommandSection { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] 30 | pub commands: Vec, [INFO] [stdout] 31 | pub toml: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FeltRcCommandSection` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `use_node_modules` is never read [INFO] [stdout] --> src/felt.rs:83:5 [INFO] [stdout] | [INFO] [stdout] 80 | struct FeltCommand<'a> { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 83 | use_node_modules: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FeltCommand` 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: field `toml` is never read [INFO] [stdout] --> src/feltlib.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 29 | pub struct FeltRcCommandSection { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] 30 | pub commands: Vec, [INFO] [stdout] 31 | pub toml: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FeltRcCommandSection` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.12s [INFO] running `Command { std: "docker" "inspect" "89a0831db3625ace8964efbbb707fc36b0f941a826d91eaba2cc3b2130cdc1b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89a0831db3625ace8964efbbb707fc36b0f941a826d91eaba2cc3b2130cdc1b3", kill_on_drop: false }` [INFO] [stdout] 89a0831db3625ace8964efbbb707fc36b0f941a826d91eaba2cc3b2130cdc1b3 [INFO] checking kotofurumiya/felt against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkotofurumiya%2Ffelt" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kotofurumiya/felt 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/kotofurumiya/felt [INFO] finished tweaking git repo https://github.com/kotofurumiya/felt [INFO] tweaked toml for git repo https://github.com/kotofurumiya/felt written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kotofurumiya/felt 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f35e96d4d581545c426981bf6b4541d0f8472a7a61365aaa75c6c20e27ab53d6 [INFO] running `Command { std: "docker" "start" "-a" "f35e96d4d581545c426981bf6b4541d0f8472a7a61365aaa75c6c20e27ab53d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f35e96d4d581545c426981bf6b4541d0f8472a7a61365aaa75c6c20e27ab53d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f35e96d4d581545c426981bf6b4541d0f8472a7a61365aaa75c6c20e27ab53d6", kill_on_drop: false }` [INFO] [stdout] f35e96d4d581545c426981bf6b4541d0f8472a7a61365aaa75c6c20e27ab53d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b70d5b62387212bd3c967e9426208d7118b91fbf7299ff85b0bc80e6c32b2cfb [INFO] running `Command { std: "docker" "start" "-a" "b70d5b62387212bd3c967e9426208d7118b91fbf7299ff85b0bc80e6c32b2cfb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking dirs v3.0.2 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking felt v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/feltlib.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `toml` is imported redundantly [INFO] [stdout] --> src/feltlib.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | use toml; [INFO] [stdout] | ^^^^ the item `toml` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/feltlib.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `toml` is imported redundantly [INFO] [stdout] --> src/feltlib.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | use toml; [INFO] [stdout] | ^^^^ the item `toml` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `use_node_modules` is never read [INFO] [stdout] --> src/felt.rs:83:5 [INFO] [stdout] | [INFO] [stdout] 80 | struct FeltCommand<'a> { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 83 | use_node_modules: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FeltCommand` 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: field `toml` is never read [INFO] [stdout] --> src/feltlib.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 29 | pub struct FeltRcCommandSection { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] 30 | pub commands: Vec, [INFO] [stdout] 31 | pub toml: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FeltRcCommandSection` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `use_node_modules` is never read [INFO] [stdout] --> src/felt.rs:83:5 [INFO] [stdout] | [INFO] [stdout] 80 | struct FeltCommand<'a> { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 83 | use_node_modules: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FeltCommand` 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: field `toml` is never read [INFO] [stdout] --> src/feltlib.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 29 | pub struct FeltRcCommandSection { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] 30 | pub commands: Vec, [INFO] [stdout] 31 | pub toml: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FeltRcCommandSection` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.60s [INFO] running `Command { std: "docker" "inspect" "b70d5b62387212bd3c967e9426208d7118b91fbf7299ff85b0bc80e6c32b2cfb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b70d5b62387212bd3c967e9426208d7118b91fbf7299ff85b0bc80e6c32b2cfb", kill_on_drop: false }` [INFO] [stdout] b70d5b62387212bd3c967e9426208d7118b91fbf7299ff85b0bc80e6c32b2cfb