[INFO] fetching crate diablo 0.1.0...
[INFO] checking diablo-0.1.0 against 1.95.0 for pr-155915
[INFO] extracting crate diablo 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate diablo 0.1.0
[INFO] finished tweaking crates.io crate diablo 0.1.0
[INFO] tweaked toml for crates.io crate diablo 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate diablo 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate diablo 0.1.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates v2.1.5
[INFO] [stderr]   Downloaded either v1.8.0
[INFO] [stderr]   Downloaded normalize-line-endings v0.3.0
[INFO] [stderr]   Downloaded predicates-core v1.0.5
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
[INFO] [stderr]   Downloaded float-cmp v0.9.0
[INFO] [stderr]   Downloaded termtree v0.4.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.7
[INFO] [stderr]   Downloaded doc-comment v0.3.3
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded instant v0.1.12
[INFO] [stderr]   Downloaded thread_local v1.1.4
[INFO] [stderr]   Downloaded fastrand v1.8.0
[INFO] [stderr]   Downloaded autocfg v1.1.0
[INFO] [stderr]   Downloaded globwalk v0.8.1
[INFO] [stderr]   Downloaded memchr v2.5.0
[INFO] [stderr]   Downloaded remove_dir_all v0.5.3
[INFO] [stderr]   Downloaded assert_cmd v2.0.7
[INFO] [stderr]   Downloaded globset v0.4.9
[INFO] [stderr]   Downloaded assert_fs v1.0.10
[INFO] [stderr]   Downloaded walkdir v2.3.2
[INFO] [stderr]   Downloaded redox_syscall v0.2.16
[INFO] [stderr]   Downloaded anyhow v1.0.68
[INFO] [stderr]   Downloaded ignore v0.4.18
[INFO] [stderr]   Downloaded num-traits v0.2.15
[INFO] [stderr]   Downloaded serde v1.0.152
[INFO] [stderr]   Downloaded itertools v0.10.5
[INFO] [stderr]   Downloaded regex-automata v0.1.10
[INFO] [stderr]   Downloaded aho-corasick v0.7.20
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.14
[INFO] [stderr]   Downloaded log v0.4.17
[INFO] [stderr]   Downloaded regex v1.7.0
[INFO] [stderr]   Downloaded tempfile v3.3.0
[INFO] [stderr]   Downloaded clap v4.0.32
[INFO] [stderr]   Downloaded clap_derive v4.0.21
[INFO] [stderr]   Downloaded once_cell v1.17.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.28
[INFO] [stderr]   Downloaded difflib v0.4.0
[INFO] [stderr]   Downloaded bstr v1.1.0
[INFO] [stderr]   Downloaded bstr v0.2.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fa4c0d27388e5dd1691830691000210dc4a010fefb4ad01f35d87d020a3204a
[INFO] running `Command { std: "docker" "start" "-a" "1fa4c0d27388e5dd1691830691000210dc4a010fefb4ad01f35d87d020a3204a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fa4c0d27388e5dd1691830691000210dc4a010fefb4ad01f35d87d020a3204a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa4c0d27388e5dd1691830691000210dc4a010fefb4ad01f35d87d020a3204a", kill_on_drop: false }`
[INFO] [stdout] 1fa4c0d27388e5dd1691830691000210dc4a010fefb4ad01f35d87d020a3204a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b02d97a875fa8cd625e7999e6c03779e617f3702f54ce2c4b07d08216602fb8c
[INFO] running `Command { std: "docker" "start" "-a" "b02d97a875fa8cd625e7999e6c03779e617f3702f54ce2c4b07d08216602fb8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling rustix v0.36.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking clap_lex v0.3.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termtree v0.4.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking predicates-tree v1.0.7
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking bstr v1.1.0
[INFO] [stderr]     Checking is-terminal v0.4.2
[INFO] [stderr]     Checking globset v0.4.9
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking assert_cmd v2.0.7
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking assert_fs v1.0.10
[INFO] [stderr]    Compiling clap_derive v4.0.21
[INFO] [stderr]     Checking clap v4.0.32
[INFO] [stderr]     Checking diablo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/lib.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |             writeln!(writer, "{}", line);
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 4 |             let _ = writeln!(writer, "{}", line);
[INFO] [stdout]   |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/lib.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |             writeln!(writer, "{}", line);
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 4 |             let _ = writeln!(writer, "{}", line);
[INFO] [stdout]   |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.04s
[INFO] running `Command { std: "docker" "inspect" "b02d97a875fa8cd625e7999e6c03779e617f3702f54ce2c4b07d08216602fb8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02d97a875fa8cd625e7999e6c03779e617f3702f54ce2c4b07d08216602fb8c", kill_on_drop: false }`
[INFO] [stdout] b02d97a875fa8cd625e7999e6c03779e617f3702f54ce2c4b07d08216602fb8c
