[INFO] fetching crate phd2 0.2.0... [INFO] checking phd2-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate phd2 0.2.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate phd2 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 phd2 0.2.0 [INFO] finished tweaking crates.io crate phd2 0.2.0 [INFO] tweaked toml for crates.io crate phd2 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate phd2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2dcd266669ad05acc3ddb51e5b9efbe9ef1feedc3f493df3ca189271d788fc23 [INFO] running `Command { std: "docker" "start" "-a" "2dcd266669ad05acc3ddb51e5b9efbe9ef1feedc3f493df3ca189271d788fc23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2dcd266669ad05acc3ddb51e5b9efbe9ef1feedc3f493df3ca189271d788fc23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2dcd266669ad05acc3ddb51e5b9efbe9ef1feedc3f493df3ca189271d788fc23", kill_on_drop: false }` [INFO] [stdout] 2dcd266669ad05acc3ddb51e5b9efbe9ef1feedc3f493df3ca189271d788fc23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 100de5da9b32e65a3409b3b4f6d2f1d6b99bd37728377f3ddcc53e0361c85f82 [INFO] running `Command { std: "docker" "start" "-a" "100de5da9b32e65a3409b3b4f6d2f1d6b99bd37728377f3ddcc53e0361c85f82", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.67 [INFO] [stderr] Compiling quote v1.0.28 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling libc v0.2.148 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling parking_lot_core v0.9.7 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Compiling serde_json v1.0.96 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Checking ryu v1.0.13 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking itoa v1.0.6 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking base64 v0.21.2 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling syn v2.0.37 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking num_cpus v1.15.0 [INFO] [stderr] Checking socket2 v0.5.4 [INFO] [stderr] Checking mio v0.8.6 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Compiling pin-project-internal v1.1.0 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling serde_tuple_macros v0.5.0 [INFO] [stderr] Checking tokio v1.32.0 [INFO] [stderr] Checking pin-project v1.1.0 [INFO] [stderr] Checking tokio-serde v0.8.0 [INFO] [stderr] Checking serde_tuple v0.5.0 [INFO] [stderr] Checking phd2 v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Duration` is imported redundantly [INFO] [stdout] --> src/tests.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 18 | use crate::*; [INFO] [stdout] | -------- the item `Duration` is already imported here [INFO] [stdout] 19 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/serialization.rs:79:25 [INFO] [stdout] | [INFO] [stdout] 79 | pub struct InvalidState(String); [INFO] [stdout] | ------------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `InvalidState` 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] 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] 79 | pub struct InvalidState(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/serialization.rs:507:24 [INFO] [stdout] | [INFO] [stdout] 507 | pub struct Base64Image(Vec); [INFO] [stdout] | ----------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `Base64Image` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 507 | pub struct Base64Image(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/serialization.rs:79:25 [INFO] [stdout] | [INFO] [stdout] 79 | pub struct InvalidState(String); [INFO] [stdout] | ------------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `InvalidState` 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] 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] 79 | pub struct InvalidState(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/serialization.rs:507:24 [INFO] [stdout] | [INFO] [stdout] 507 | pub struct Base64Image(Vec); [INFO] [stdout] | ----------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `Base64Image` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 507 | pub struct Base64Image(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.44s [INFO] running `Command { std: "docker" "inspect" "100de5da9b32e65a3409b3b4f6d2f1d6b99bd37728377f3ddcc53e0361c85f82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "100de5da9b32e65a3409b3b4f6d2f1d6b99bd37728377f3ddcc53e0361c85f82", kill_on_drop: false }` [INFO] [stdout] 100de5da9b32e65a3409b3b4f6d2f1d6b99bd37728377f3ddcc53e0361c85f82