[INFO] fetching crate imosid 0.0.0-beta7...
[INFO] checking imosid-0.0.0-beta7 against master#e4106065bf1bb515935d5d024e8d9c86454e2b22 for pr-112160
[INFO] extracting crate imosid 0.0.0-beta7 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate imosid 0.0.0-beta7 on toolchain e4106065bf1bb515935d5d024e8d9c86454e2b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imosid 0.0.0-beta7
[INFO] finished tweaking crates.io crate imosid 0.0.0-beta7
[INFO] tweaked toml for crates.io crate imosid 0.0.0-beta7 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate imosid 0.0.0-beta7 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" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v3.2.21
[INFO] [stderr]   Downloaded built v0.5.1
[INFO] [stderr]   Downloaded cargo-lock v7.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b46e9c3b56b28eff22e7e5c9de8e17b047c8ff9782558ba7847a1b6bd807c220
[INFO] running `Command { std: "docker" "start" "-a" "b46e9c3b56b28eff22e7e5c9de8e17b047c8ff9782558ba7847a1b6bd807c220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b46e9c3b56b28eff22e7e5c9de8e17b047c8ff9782558ba7847a1b6bd807c220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b46e9c3b56b28eff22e7e5c9de8e17b047c8ff9782558ba7847a1b6bd807c220", kill_on_drop: false }`
[INFO] [stdout] b46e9c3b56b28eff22e7e5c9de8e17b047c8ff9782558ba7847a1b6bd807c220
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf96a23a5256a428047aa3a4ce293f7bd6138187d514441eda01faac2c31f696
[INFO] running `Command { std: "docker" "start" "-a" "cf96a23a5256a428047aa3a4ce293f7bd6138187d514441eda01faac2c31f696", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling semver v1.0.13
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.21
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking clap v3.2.21
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]    Compiling cargo-lock v7.1.0
[INFO] [stderr]    Compiling built v0.5.1
[INFO] [stderr]    Compiling imosid v0.0.0-beta7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `content` is never read
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Specialcomment {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 44 |     line: u32,
[INFO] [stdout] 45 |     content: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Specialcomment` has a derived impl for the trait `Clone`, 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 `content` is never read
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Specialcomment {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 44 |     line: u32,
[INFO] [stdout] 45 |     content: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Specialcomment` has a derived impl for the trait `Clone`, 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: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stdout]     --> src/main.rs:1221:45
[INFO] [stdout]      |
[INFO] [stdout] 1221 |                     return String::from(sign.deref());
[INFO] [stdout]      |                                             ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stdout]     --> src/main.rs:1254:45
[INFO] [stdout]      |
[INFO] [stdout] 1254 |                     return String::from(sign.deref());
[INFO] [stdout]      |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stdout]     --> src/main.rs:1278:45
[INFO] [stdout]      |
[INFO] [stdout] 1278 |                     return String::from(sign.deref());
[INFO] [stdout]      |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stdout]     --> src/main.rs:1221:45
[INFO] [stdout]      |
[INFO] [stdout] 1221 |                     return String::from(sign.deref());
[INFO] [stdout]      |                                             ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stdout]     --> src/main.rs:1254:45
[INFO] [stdout]      |
[INFO] [stdout] 1254 |                     return String::from(sign.deref());
[INFO] [stdout]      |                                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&str` instead of dereferencing the inner type
[INFO] [stdout]     --> src/main.rs:1278:45
[INFO] [stdout]      |
[INFO] [stdout] 1278 |                     return String::from(sign.deref());
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.98s
[INFO] running `Command { std: "docker" "inspect" "cf96a23a5256a428047aa3a4ce293f7bd6138187d514441eda01faac2c31f696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf96a23a5256a428047aa3a4ce293f7bd6138187d514441eda01faac2c31f696", kill_on_drop: false }`
[INFO] [stdout] cf96a23a5256a428047aa3a4ce293f7bd6138187d514441eda01faac2c31f696