[INFO] fetching crate debug_stub_derive 0.3.0...
[INFO] checking debug_stub_derive-0.3.0 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate debug_stub_derive 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate debug_stub_derive 0.3.0 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate debug_stub_derive 0.3.0
[INFO] finished tweaking crates.io crate debug_stub_derive 0.3.0
[INFO] tweaked toml for crates.io crate debug_stub_derive 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21073755ed43bd6d0b3f9c177f0231c27ed11dbf4bb25be52a02dd5c7f0db10f
[INFO] running `Command { std: "docker" "start" "-a" "21073755ed43bd6d0b3f9c177f0231c27ed11dbf4bb25be52a02dd5c7f0db10f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21073755ed43bd6d0b3f9c177f0231c27ed11dbf4bb25be52a02dd5c7f0db10f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21073755ed43bd6d0b3f9c177f0231c27ed11dbf4bb25be52a02dd5c7f0db10f", kill_on_drop: false }`
[INFO] [stdout] 21073755ed43bd6d0b3f9c177f0231c27ed11dbf4bb25be52a02dd5c7f0db10f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c61bd9749076fefae4ceb905937253cc927a45eea2bb74c628a9ae77bd7fa45
[INFO] running `Command { std: "docker" "start" "-a" "0c61bd9749076fefae4ceb905937253cc927a45eea2bb74c628a9ae77bd7fa45", kill_on_drop: false }`
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking syn v0.11.4
[INFO] [stderr]     Checking debug_stub_derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:119:28
[INFO] [stdout]     |
[INFO] [stdout] 119 |         Err(msg) => panic!(msg),
[INFO] [stdout]     |                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 119 |         Err(msg) => panic!("{}", msg),
[INFO] [stdout]     |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:119:28
[INFO] [stdout]     |
[INFO] [stdout] 119 |         Err(msg) => panic!(msg),
[INFO] [stdout]     |                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 119 |         Err(msg) => panic!("{}", msg),
[INFO] [stdout]     |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:119:28
[INFO] [stdout]     |
[INFO] [stdout] 119 |         Err(msg) => panic!(msg),
[INFO] [stdout]     |                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 119 |         Err(msg) => panic!("{}", msg),
[INFO] [stdout]     |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> tests/lib.rs:413:9
[INFO] [stdout]     |
[INFO] [stdout] 413 |     let f = {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> tests/lib.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     struct StructWithDebug {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 50 |         number: u64
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StructWithDebug` 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 `string` is never read
[INFO] [stdout]   --> tests/lib.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     struct StructWithoutDebug {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 54 |         string: String
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `b` is never read
[INFO] [stdout]   --> tests/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     struct TestStruct {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 62 |         b: StructWithoutDebug
[INFO] [stdout]    |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]    --> tests/lib.rs:554:9
[INFO] [stdout]     |
[INFO] [stdout] 553 |     struct StructWithDebug {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 554 |         number: u64
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StructWithDebug` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `string` is never read
[INFO] [stdout]    --> tests/lib.rs:558:9
[INFO] [stdout]     |
[INFO] [stdout] 557 |     struct StructWithoutDebug {
[INFO] [stdout]     |            ------------------ field in this struct
[INFO] [stdout] 558 |         string: String
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `b` is never read
[INFO] [stdout]    --> tests/lib.rs:572:13
[INFO] [stdout]     |
[INFO] [stdout] 569 |         VariantB {
[INFO] [stdout]     |         -------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 572 |             b: StructWithoutDebug,
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.11.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "0c61bd9749076fefae4ceb905937253cc927a45eea2bb74c628a9ae77bd7fa45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c61bd9749076fefae4ceb905937253cc927a45eea2bb74c628a9ae77bd7fa45", kill_on_drop: false }`
[INFO] [stdout] 0c61bd9749076fefae4ceb905937253cc927a45eea2bb74c628a9ae77bd7fa45
