[INFO] cloning repository https://github.com/daboross/auto-from [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daboross/auto-from" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaboross%2Fauto-from", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaboross%2Fauto-from'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 056503246317c247d168dda03b886e37dd37b12e [INFO] checking daboross/auto-from against master#bbefc9837f4157cc09ed60e6d7b21e345d582dd9 for pr-114571-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaboross%2Fauto-from" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/daboross/auto-from on toolchain bbefc9837f4157cc09ed60e6d7b21e345d582dd9 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbefc9837f4157cc09ed60e6d7b21e345d582dd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/daboross/auto-from [INFO] finished tweaking git repo https://github.com/daboross/auto-from [INFO] tweaked toml for git repo https://github.com/daboross/auto-from written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/daboross/auto-from 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" "+bbefc9837f4157cc09ed60e6d7b21e345d582dd9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking daboross/auto-from against try#2399cef65c47f346b5fa9df51f48df0acd4a9d85 for pr-114571-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaboross%2Fauto-from" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/daboross/auto-from on toolchain 2399cef65c47f346b5fa9df51f48df0acd4a9d85 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2399cef65c47f346b5fa9df51f48df0acd4a9d85" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/daboross/auto-from [INFO] finished tweaking git repo https://github.com/daboross/auto-from [INFO] tweaked toml for git repo https://github.com/daboross/auto-from written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/daboross/auto-from 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" "+2399cef65c47f346b5fa9df51f48df0acd4a9d85" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking daboross/auto-from against try#2399cef65c47f346b5fa9df51f48df0acd4a9d85 for pr-114571-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaboross%2Fauto-from" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/daboross/auto-from on toolchain 2399cef65c47f346b5fa9df51f48df0acd4a9d85 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2399cef65c47f346b5fa9df51f48df0acd4a9d85" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/daboross/auto-from [INFO] finished tweaking git repo https://github.com/daboross/auto-from [INFO] tweaked toml for git repo https://github.com/daboross/auto-from written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/daboross/auto-from 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" "+2399cef65c47f346b5fa9df51f48df0acd4a9d85" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+2399cef65c47f346b5fa9df51f48df0acd4a9d85" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e365de3b21b746795bf036f83e2642f1b9f04607961ab59e1b2ed612c7a056d [INFO] running `Command { std: "docker" "start" "-a" "0e365de3b21b746795bf036f83e2642f1b9f04607961ab59e1b2ed612c7a056d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e365de3b21b746795bf036f83e2642f1b9f04607961ab59e1b2ed612c7a056d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e365de3b21b746795bf036f83e2642f1b9f04607961ab59e1b2ed612c7a056d", kill_on_drop: false }` [INFO] [stdout] 0e365de3b21b746795bf036f83e2642f1b9f04607961ab59e1b2ed612c7a056d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+2399cef65c47f346b5fa9df51f48df0acd4a9d85" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 755f9583bf9f84642701532ceef4a210adc2d7a076a97e925213d55c340056b8 [INFO] running `Command { std: "docker" "start" "-a" "755f9583bf9f84642701532ceef4a210adc2d7a076a97e925213d55c340056b8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Checking quote v0.6.11 [INFO] [stderr] Checking syn v0.15.26 [INFO] [stderr] Checking synstructure v0.10.1 [INFO] [stderr] Checking auto-from v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Token` [INFO] [stdout] --> src/lib.rs:14:53 [INFO] [stdout] | [INFO] [stdout] 14 | ImplItem, ImplItemMethod, ItemImpl, ReturnType, Token, Type, TypeTuple, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Token` [INFO] [stdout] --> src/lib.rs:14:53 [INFO] [stdout] | [INFO] [stdout] 14 | ImplItem, ImplItemMethod, ItemImpl, ReturnType, Token, Type, TypeTuple, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:73:21 [INFO] [stdout] | [INFO] [stdout] 73 | let mut method = method.clone(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:73:21 [INFO] [stdout] | [INFO] [stdout] 73 | let mut method = method.clone(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `unit_type` is never used [INFO] [stdout] --> src/lib.rs:91:4 [INFO] [stdout] | [INFO] [stdout] 91 | fn unit_type() -> Type { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `unit_type` is never used [INFO] [stdout] --> src/lib.rs:91:4 [INFO] [stdout] | [INFO] [stdout] 91 | fn unit_type() -> Type { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_fn_return_type` is never used [INFO] [stdout] --> src/lib.rs:140:4 [INFO] [stdout] | [INFO] [stdout] 140 | fn get_fn_return_type(ty: &ReturnType) -> Type { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_fn_return_type` is never used [INFO] [stdout] --> src/lib.rs:140:4 [INFO] [stdout] | [INFO] [stdout] 140 | fn get_fn_return_type(ty: &ReturnType) -> Type { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [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] [stdout] warning: unused import: `Token` [INFO] [stdout] --> src/lib.rs:14:53 [INFO] [stdout] | [INFO] [stdout] 14 | ImplItem, ImplItemMethod, ItemImpl, ReturnType, Token, Type, TypeTuple, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:73:21 [INFO] [stdout] | [INFO] [stdout] 73 | let mut method = method.clone(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `unit_type` is never used [INFO] [stdout] --> src/lib.rs:91:4 [INFO] [stdout] | [INFO] [stdout] 91 | fn unit_type() -> Type { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_fn_return_type` is never used [INFO] [stdout] --> src/lib.rs:140:4 [INFO] [stdout] | [INFO] [stdout] 140 | fn get_fn_return_type(ty: &ReturnType) -> Type { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `from` that must be used [INFO] [stdout] --> tests/auto_from.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | Example::from(3); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 25 | let _ = Example::from(3); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `from` that must be used [INFO] [stdout] --> tests/auto_from.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | Example::from(vec![5u32]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = Example::from(vec![5u32]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `from` that must be used [INFO] [stdout] --> tests/auto_from.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | Example::from(vec![6i32]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 27 | let _ = Example::from(vec![6i32]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `from` that must be used [INFO] [stdout] --> tests/auto_from.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | Example::from(vec![vec![6u32]]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 28 | let _ = Example::from(vec![vec![6u32]]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.10s [INFO] running `Command { std: "docker" "inspect" "755f9583bf9f84642701532ceef4a210adc2d7a076a97e925213d55c340056b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "755f9583bf9f84642701532ceef4a210adc2d7a076a97e925213d55c340056b8", kill_on_drop: false }` [INFO] [stdout] 755f9583bf9f84642701532ceef4a210adc2d7a076a97e925213d55c340056b8