[INFO] crate scpi 0.2.7 is already in cache
[INFO] checking scpi-0.2.7 against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] extracting crate scpi 0.2.7 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate scpi 0.2.7 on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate scpi 0.2.7
[INFO] finished tweaking crates.io crate scpi 0.2.7
[INFO] tweaked toml for crates.io crate scpi 0.2.7 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f44ed7076e47e16ccac4ed6add18bd39ef2a72d127384dae4b2baa8fc8493b7a
[INFO] running `"docker" "start" "-a" "f44ed7076e47e16ccac4ed6add18bd39ef2a72d127384dae4b2baa8fc8493b7a"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]    Compiling scpi_derive v0.1.1
[INFO] [stderr]     Checking scpi v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::lexical_core::Float`
[INFO] [stderr]    --> src/suffix.rs:345:13
[INFO] [stderr]     |
[INFO] [stderr] 345 |         use crate::lexical_core::Float;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `FromLexical`, `ToLexical`
[INFO] [stderr]  --> src/response.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | use lexical_core::{FromLexical, Number, ToLexical};
[INFO] [stderr]   |                    ^^^^^^^^^^^          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::lexical_core::Float`
[INFO] [stderr]    --> src/suffix.rs:345:13
[INFO] [stderr]     |
[INFO] [stderr] 345 |         use crate::lexical_core::Float;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `FromLexical`, `ToLexical`
[INFO] [stderr]  --> src/response.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | use lexical_core::{FromLexical, Number, ToLexical};
[INFO] [stderr]   |                    ^^^^^^^^^^^          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lexical_core::Float`
[INFO] [stderr]  --> src/tokenizer.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use lexical_core::Float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `RESPONSE_HEADER_SEPARATOR`
[INFO] [stderr]   --> src/response.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | const RESPONSE_HEADER_SEPARATOR: u8 = b' ';
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `spec`
[INFO] [stderr]    --> src/expression.rs:145:9
[INFO] [stderr]     |
[INFO] [stderr] 145 |         fn spec(&self) -> ChannelSpecIterator<'a> {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `begin`
[INFO] [stderr]    --> src/expression.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |         fn begin(&self) -> ChannelSpecIterator<'a> {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `end`
[INFO] [stderr]    --> src/expression.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |         fn end(&self) -> ChannelSpecIterator<'a> {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_channel_module`
[INFO] [stderr]    --> src/expression.rs:280:9
[INFO] [stderr]     |
[INFO] [stderr] 280 |         fn read_channel_module(&mut self, _name: &'a [u8]) -> Result<Token<'a>, Error> {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_ese`
[INFO] [stderr]    --> src/lib.rs:351:5
[INFO] [stderr]     |
[INFO] [stderr] 351 |     fn set_ese(&mut self, ese: u8) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_ese`
[INFO] [stderr]    --> src/lib.rs:355:5
[INFO] [stderr]     |
[INFO] [stderr] 355 |     fn get_ese(&mut self) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::lexical_core::Float`
[INFO] [stderr]    --> src/suffix.rs:383:13
[INFO] [stderr]     |
[INFO] [stderr] 383 |         use crate::lexical_core::Float;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lexical_core::Float`
[INFO] [stderr]  --> src/tokenizer.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use lexical_core::Float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/expression.rs:70:21
[INFO] [stderr]    |
[INFO] [stderr] 70 |                     _ => write!(f, "(UNKNOWN)")
[INFO] [stderr]    |                     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `RESPONSE_HEADER_SEPARATOR`
[INFO] [stderr]   --> src/response.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | const RESPONSE_HEADER_SEPARATOR: u8 = b' ';
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_channel_module`
[INFO] [stderr]    --> src/expression.rs:280:9
[INFO] [stderr]     |
[INFO] [stderr] 280 |         fn read_channel_module(&mut self, _name: &'a [u8]) -> Result<Token<'a>, Error> {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_ese`
[INFO] [stderr]    --> src/lib.rs:351:5
[INFO] [stderr]     |
[INFO] [stderr] 351 |     fn set_ese(&mut self, ese: u8) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_ese`
[INFO] [stderr]    --> src/lib.rs:355:5
[INFO] [stderr]     |
[INFO] [stderr] 355 |     fn get_ese(&mut self) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.70s
[INFO] running `"docker" "inspect" "f44ed7076e47e16ccac4ed6add18bd39ef2a72d127384dae4b2baa8fc8493b7a"`
[INFO] running `"docker" "rm" "-f" "f44ed7076e47e16ccac4ed6add18bd39ef2a72d127384dae4b2baa8fc8493b7a"`
[INFO] [stdout] f44ed7076e47e16ccac4ed6add18bd39ef2a72d127384dae4b2baa8fc8493b7a