[INFO] fetching crate deseresp 0.1.9... [INFO] checking deseresp-0.1.9 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate deseresp 0.1.9 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate deseresp 0.1.9 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 deseresp 0.1.9 [INFO] finished tweaking crates.io crate deseresp 0.1.9 [INFO] tweaked toml for crates.io crate deseresp 0.1.9 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 16 packages [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] 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dd8ee2c32543310c4ea898691717fc220f90f0f183b277d9b2e3815c589cb131 [INFO] running `Command { std: "docker" "start" "-a" "dd8ee2c32543310c4ea898691717fc220f90f0f183b277d9b2e3815c589cb131", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dd8ee2c32543310c4ea898691717fc220f90f0f183b277d9b2e3815c589cb131", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd8ee2c32543310c4ea898691717fc220f90f0f183b277d9b2e3815c589cb131", kill_on_drop: false }` [INFO] [stdout] dd8ee2c32543310c4ea898691717fc220f90f0f183b277d9b2e3815c589cb131 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9bf060fbb02442197e512452d7f9dc238e0b2e5f175a68a5b3a6857a6f7ea563 [INFO] running `Command { std: "docker" "start" "-a" "9bf060fbb02442197e512452d7f9dc238e0b2e5f175a68a5b3a6857a6f7ea563", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking deseresp v0.1.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Visitor` is imported redundantly [INFO] [stdout] --> src/types.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | use serde::{de::Visitor, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 24 | [INFO] [stdout] 25 | use super::*; [INFO] [stdout] | -------- the item `Visitor` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Serialize` is imported redundantly [INFO] [stdout] --> src/types.rs:23:30 [INFO] [stdout] | [INFO] [stdout] 23 | use serde::{de::Visitor, Serialize}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 24 | [INFO] [stdout] 25 | use super::*; [INFO] [stdout] | -------- the item `Serialize` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Visitor` is imported redundantly [INFO] [stdout] --> src/types.rs:117:17 [INFO] [stdout] | [INFO] [stdout] 117 | use serde::{de::Visitor, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 118 | [INFO] [stdout] 119 | use super::*; [INFO] [stdout] | -------- the item `Visitor` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Serialize` is imported redundantly [INFO] [stdout] --> src/types.rs:117:30 [INFO] [stdout] | [INFO] [stdout] 117 | use serde::{de::Visitor, Serialize}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 118 | [INFO] [stdout] 119 | use super::*; [INFO] [stdout] | -------- the item `Serialize` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Visitor` is imported redundantly [INFO] [stdout] --> src/types.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | use serde::{de::Visitor, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 24 | [INFO] [stdout] 25 | use super::*; [INFO] [stdout] | -------- the item `Visitor` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Serialize` is imported redundantly [INFO] [stdout] --> src/types.rs:23:30 [INFO] [stdout] | [INFO] [stdout] 23 | use serde::{de::Visitor, Serialize}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 24 | [INFO] [stdout] 25 | use super::*; [INFO] [stdout] | -------- the item `Serialize` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Visitor` is imported redundantly [INFO] [stdout] --> src/types.rs:117:17 [INFO] [stdout] | [INFO] [stdout] 117 | use serde::{de::Visitor, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 118 | [INFO] [stdout] 119 | use super::*; [INFO] [stdout] | -------- the item `Visitor` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Serialize` is imported redundantly [INFO] [stdout] --> src/types.rs:117:30 [INFO] [stdout] | [INFO] [stdout] 117 | use serde::{de::Visitor, Serialize}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 118 | [INFO] [stdout] 119 | use super::*; [INFO] [stdout] | -------- the item `Serialize` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/types.rs:461:28 [INFO] [stdout] | [INFO] [stdout] 461 | struct PushVisitor<'de, P>(&'de PhantomData

); [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [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] 461 | struct PushVisitor<'de, P>(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/types.rs:533:38 [INFO] [stdout] | [INFO] [stdout] 533 | struct PushOrValueVisitor<'de, P, V>(&'de PhantomData<(P, V)>); [INFO] [stdout] | ------------------ ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [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] 533 | struct PushOrValueVisitor<'de, P, V>(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/types.rs:461:28 [INFO] [stdout] | [INFO] [stdout] 461 | struct PushVisitor<'de, P>(&'de PhantomData

); [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [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] 461 | struct PushVisitor<'de, P>(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/types.rs:533:38 [INFO] [stdout] | [INFO] [stdout] 533 | struct PushOrValueVisitor<'de, P, V>(&'de PhantomData<(P, V)>); [INFO] [stdout] | ------------------ ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [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] 533 | struct PushOrValueVisitor<'de, P, V>(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.40s [INFO] running `Command { std: "docker" "inspect" "9bf060fbb02442197e512452d7f9dc238e0b2e5f175a68a5b3a6857a6f7ea563", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bf060fbb02442197e512452d7f9dc238e0b2e5f175a68a5b3a6857a6f7ea563", kill_on_drop: false }` [INFO] [stdout] 9bf060fbb02442197e512452d7f9dc238e0b2e5f175a68a5b3a6857a6f7ea563