[INFO] fetching crate witm 0.0.1...
[INFO] checking witm-0.0.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate witm 0.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate witm 0.0.1
[INFO] finished tweaking crates.io crate witm 0.0.1
[INFO] tweaked toml for crates.io crate witm 0.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate witm 0.0.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate witm 0.0.1 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_str_bytes v6.2.0
[INFO] [stderr]   Downloaded clap_derive v3.2.17
[INFO] [stderr]   Downloaded clap v3.2.17
[INFO] [stderr]   Downloaded libc v0.2.131
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ceb19c824985e16dce3ee3d1fe499f03cded124fe8a6fa70527316828a4e0e8
[INFO] running `Command { std: "docker" "start" "-a" "9ceb19c824985e16dce3ee3d1fe499f03cded124fe8a6fa70527316828a4e0e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ceb19c824985e16dce3ee3d1fe499f03cded124fe8a6fa70527316828a4e0e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ceb19c824985e16dce3ee3d1fe499f03cded124fe8a6fa70527316828a4e0e8", kill_on_drop: false }`
[INFO] [stdout] 9ceb19c824985e16dce3ee3d1fe499f03cded124fe8a6fa70527316828a4e0e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4eaac4ab152ff7c6f9e477dac0c66a826b88745dea5d62c3e790e4a7e3ed6a3c
[INFO] running `Command { std: "docker" "start" "-a" "4eaac4ab152ff7c6f9e477dac0c66a826b88745dea5d62c3e790e4a7e3ed6a3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling libc v0.2.131
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v3.2.17
[INFO] [stderr]     Checking clap v3.2.17
[INFO] [stderr]     Checking witm v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Args` and `Subcommand`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{Args, Parser, Subcommand};
[INFO] [stdout]   |            ^^^^          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Args` and `Subcommand`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{Args, Parser, Subcommand};
[INFO] [stdout]   |            ^^^^          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     todo!("come back later.");
[INFO] [stdout]    |     ------------------------- any code following this expression is unreachable
[INFO] [stdout] 12 |     let opts: Opts = Opts::parse();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `section`
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let section = opts.section.get(0).unwrap();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_section`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let page = opts.section.get(1);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     todo!("come back later.");
[INFO] [stdout]    |     ------------------------- any code following this expression is unreachable
[INFO] [stdout] 12 |     let opts: Opts = Opts::parse();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `section`
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let section = opts.section.get(0).unwrap();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_section`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let page = opts.section.get(1);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.51s
[INFO] running `Command { std: "docker" "inspect" "4eaac4ab152ff7c6f9e477dac0c66a826b88745dea5d62c3e790e4a7e3ed6a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eaac4ab152ff7c6f9e477dac0c66a826b88745dea5d62c3e790e4a7e3ed6a3c", kill_on_drop: false }`
[INFO] [stdout] 4eaac4ab152ff7c6f9e477dac0c66a826b88745dea5d62c3e790e4a7e3ed6a3c