[INFO] fetching crate felt 0.2.0... [INFO] checking felt-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate felt 0.2.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate felt 0.2.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate felt 0.2.0 [INFO] finished tweaking crates.io crate felt 0.2.0 [INFO] tweaked toml for crates.io crate felt 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate felt 0.2.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded dirs-sys v0.3.6 [INFO] [stderr] Downloaded redox_syscall v0.2.8 [INFO] [stderr] Downloaded libc v0.2.80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8e773c24292acdba3bd06bb461dde65824e05ae66edaa35abb93d62fd8aa9c1b [INFO] running `Command { std: "docker" "start" "-a" "8e773c24292acdba3bd06bb461dde65824e05ae66edaa35abb93d62fd8aa9c1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e773c24292acdba3bd06bb461dde65824e05ae66edaa35abb93d62fd8aa9c1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e773c24292acdba3bd06bb461dde65824e05ae66edaa35abb93d62fd8aa9c1b", kill_on_drop: false }` [INFO] [stdout] 8e773c24292acdba3bd06bb461dde65824e05ae66edaa35abb93d62fd8aa9c1b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 232b5184cf35c06f9d81c25338f258aa1f19ece15039913367b81c4264175f2e [INFO] running `Command { std: "docker" "start" "-a" "232b5184cf35c06f9d81c25338f258aa1f19ece15039913367b81c4264175f2e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling serde_derive v1.0.126 [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] 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/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/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 `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/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/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 `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 5.85s [INFO] running `Command { std: "docker" "inspect" "232b5184cf35c06f9d81c25338f258aa1f19ece15039913367b81c4264175f2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "232b5184cf35c06f9d81c25338f258aa1f19ece15039913367b81c4264175f2e", kill_on_drop: false }` [INFO] [stdout] 232b5184cf35c06f9d81c25338f258aa1f19ece15039913367b81c4264175f2e [INFO] checking felt-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate felt 0.2.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate felt 0.2.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate felt 0.2.0 [INFO] finished tweaking crates.io crate felt 0.2.0 [INFO] tweaked toml for crates.io crate felt 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate felt 0.2.0 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 89d3f6a8bbb320b64b74a30ff142d38ea08cfe49c30c7788f01b9af835b15fe9 [INFO] running `Command { std: "docker" "start" "-a" "89d3f6a8bbb320b64b74a30ff142d38ea08cfe49c30c7788f01b9af835b15fe9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "89d3f6a8bbb320b64b74a30ff142d38ea08cfe49c30c7788f01b9af835b15fe9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89d3f6a8bbb320b64b74a30ff142d38ea08cfe49c30c7788f01b9af835b15fe9", kill_on_drop: false }` [INFO] [stdout] 89d3f6a8bbb320b64b74a30ff142d38ea08cfe49c30c7788f01b9af835b15fe9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 695b53422525cfa8d1dc0d5fbc0d8ce1ca7d084048b60c63b49d9093bd500d00 [INFO] running `Command { std: "docker" "start" "-a" "695b53422525cfa8d1dc0d5fbc0d8ce1ca7d084048b60c63b49d9093bd500d00", 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_derive v1.0.126 [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] 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/3a4bc97f6385a3aa300a4fd689b44350e54fd676/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/3a4bc97f6385a3aa300a4fd689b44350e54fd676/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] error[E0282]: type annotations needed [INFO] [stdout] --> src/feltlib.rs:185:13 [INFO] [stdout] | [INFO] [stdout] 185 | / match rc.felt.node_modules { [INFO] [stdout] 186 | | Some(b) => return b, [INFO] [stdout] 187 | | None => continue, [INFO] [stdout] 188 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/feltlib.rs:185:13 [INFO] [stdout] | [INFO] [stdout] 185 | / match rc.felt.node_modules { [INFO] [stdout] 186 | | Some(b) => return b, [INFO] [stdout] 187 | | None => continue, [INFO] [stdout] 188 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `felt` (bin "felt" test) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `felt` (bin "felt") due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "695b53422525cfa8d1dc0d5fbc0d8ce1ca7d084048b60c63b49d9093bd500d00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "695b53422525cfa8d1dc0d5fbc0d8ce1ca7d084048b60c63b49d9093bd500d00", kill_on_drop: false }` [INFO] [stdout] 695b53422525cfa8d1dc0d5fbc0d8ce1ca7d084048b60c63b49d9093bd500d00