[INFO] crate scpi 0.2.7 is already in cache
[INFO] checking scpi-0.2.7 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[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 c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c798b5d566c92590fee016200367bb9159685429a403a133e16f098ffdcff04
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1c798b5d566c92590fee016200367bb9159685429a403a133e16f098ffdcff04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c798b5d566c92590fee016200367bb9159685429a403a133e16f098ffdcff04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c798b5d566c92590fee016200367bb9159685429a403a133e16f098ffdcff04", kill_on_drop: false }`
[INFO] [stdout] 1c798b5d566c92590fee016200367bb9159685429a403a133e16f098ffdcff04
[INFO] running `Command { std: "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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7dbca83b6a74b5ab6bd0de2a3929fef9dadd3097134a0a34831f84f1ba02bf2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a7dbca83b6a74b5ab6bd0de2a3929fef9dadd3097134a0a34831f84f1ba02bf2", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling scpi_derive v0.1.1
[INFO] [stderr]     Checking scpi v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::lexical_core::Float`
[INFO] [stdout]    --> src/suffix.rs:345:13
[INFO] [stdout]     |
[INFO] [stdout] 345 |         use crate::lexical_core::Float;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromLexical`, `ToLexical`
[INFO] [stdout]  --> src/response.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lexical_core::{FromLexical, Number, ToLexical};
[INFO] [stdout]   |                    ^^^^^^^^^^^          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lexical_core::Float`
[INFO] [stdout]    --> src/suffix.rs:345:13
[INFO] [stdout]     |
[INFO] [stdout] 345 |         use crate::lexical_core::Float;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FromLexical`, `ToLexical`
[INFO] [stdout]  --> src/response.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lexical_core::{FromLexical, Number, ToLexical};
[INFO] [stdout]   |                    ^^^^^^^^^^^          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lexical_core::Float`
[INFO] [stdout]  --> src/tokenizer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use lexical_core::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lexical_core::Float`
[INFO] [stdout]    --> src/suffix.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         use crate::lexical_core::Float;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lexical_core::Float`
[INFO] [stdout]  --> src/tokenizer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use lexical_core::Float;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/expression.rs:70:21
[INFO] [stdout]    |
[INFO] [stdout] 70 |                     _ => write!(f, "(UNKNOWN)")
[INFO] [stdout]    |                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RESPONSE_HEADER_SEPARATOR`
[INFO] [stdout]   --> src/response.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | const RESPONSE_HEADER_SEPARATOR: u8 = b' ';
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `spec`
[INFO] [stdout]    --> src/expression.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 145 |         fn spec(&self) -> ChannelSpecIterator<'a> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `begin`
[INFO] [stdout]    --> src/expression.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 |         fn begin(&self) -> ChannelSpecIterator<'a> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `end`
[INFO] [stdout]    --> src/expression.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout] 179 |         fn end(&self) -> ChannelSpecIterator<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_channel_module`
[INFO] [stdout]    --> src/expression.rs:280:12
[INFO] [stdout]     |
[INFO] [stdout] 280 |         fn read_channel_module(&mut self, _name: &'a [u8]) -> Result<Token<'a>, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_ese`
[INFO] [stdout]    --> src/lib.rs:351:8
[INFO] [stdout]     |
[INFO] [stdout] 351 |     fn set_ese(&mut self, ese: u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ese`
[INFO] [stdout]    --> src/lib.rs:355:8
[INFO] [stdout]     |
[INFO] [stdout] 355 |     fn get_ese(&mut self) -> u8 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RESPONSE_HEADER_SEPARATOR`
[INFO] [stdout]   --> src/response.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | const RESPONSE_HEADER_SEPARATOR: u8 = b' ';
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_channel_module`
[INFO] [stdout]    --> src/expression.rs:280:12
[INFO] [stdout]     |
[INFO] [stdout] 280 |         fn read_channel_module(&mut self, _name: &'a [u8]) -> Result<Token<'a>, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_ese`
[INFO] [stdout]    --> src/lib.rs:351:8
[INFO] [stdout]     |
[INFO] [stdout] 351 |     fn set_ese(&mut self, ese: u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ese`
[INFO] [stdout]    --> src/lib.rs:355:8
[INFO] [stdout]     |
[INFO] [stdout] 355 |     fn get_ese(&mut self) -> u8 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.93s
[INFO] running `Command { std: "docker" "inspect" "a7dbca83b6a74b5ab6bd0de2a3929fef9dadd3097134a0a34831f84f1ba02bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7dbca83b6a74b5ab6bd0de2a3929fef9dadd3097134a0a34831f84f1ba02bf2", kill_on_drop: false }`
[INFO] [stdout] a7dbca83b6a74b5ab6bd0de2a3929fef9dadd3097134a0a34831f84f1ba02bf2