[INFO] fetching crate neotron-loader 0.1.0...
[INFO] checking neotron-loader-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate neotron-loader 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate neotron-loader 0.1.0
[INFO] finished tweaking crates.io crate neotron-loader 0.1.0
[INFO] tweaked toml for crates.io crate neotron-loader 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate neotron-loader 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate neotron-loader 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b50b130a80c0dc3c0c0c47000805598678edb5c12dfa2a3d1c03c3f335d3f1c0
[INFO] running `Command { std: "docker" "start" "-a" "b50b130a80c0dc3c0c0c47000805598678edb5c12dfa2a3d1c03c3f335d3f1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b50b130a80c0dc3c0c0c47000805598678edb5c12dfa2a3d1c03c3f335d3f1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b50b130a80c0dc3c0c0c47000805598678edb5c12dfa2a3d1c03c3f335d3f1c0", kill_on_drop: false }`
[INFO] [stdout] b50b130a80c0dc3c0c0c47000805598678edb5c12dfa2a3d1c03c3f335d3f1c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8f21aabf7312c4f16d130f6ff52574dd0c94b6a9cc12678ff1025a22a1a4eba
[INFO] running `Command { std: "docker" "start" "-a" "e8f21aabf7312c4f16d130f6ff52574dd0c94b6a9cc12678ff1025a22a1a4eba", kill_on_drop: false }`
[INFO] [stderr]     Checking neotron-loader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:159:33
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn iter_section_headers(&self) -> IterSectionHeaders<DS> {
[INFO] [stdout]     |                                 ^^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn iter_section_headers(&self) -> IterSectionHeaders<'_, DS> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:167:33
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub fn iter_program_headers(&self) -> IterProgramHeaders<DS> {
[INFO] [stdout]     |                                 ^^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub fn iter_program_headers(&self) -> IterProgramHeaders<'_, DS> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:159:33
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn iter_section_headers(&self) -> IterSectionHeaders<DS> {
[INFO] [stdout]     |                                 ^^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn iter_section_headers(&self) -> IterSectionHeaders<'_, DS> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:167:33
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub fn iter_program_headers(&self) -> IterProgramHeaders<DS> {
[INFO] [stdout]     |                                 ^^^^^     ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub fn iter_program_headers(&self) -> IterProgramHeaders<'_, DS> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/load.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Io(std::io::Error),
[INFO] [stdout]   |     -- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 -     Io(std::io::Error),
[INFO] [stdout] 7 +     Io(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/load.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Loader(ldr::Error<ldr::traits::SliceError>),
[INFO] [stdout]   |     ------ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     Loader(ldr::Error<ldr::traits::SliceError>),
[INFO] [stdout] 8 +     Loader(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "e8f21aabf7312c4f16d130f6ff52574dd0c94b6a9cc12678ff1025a22a1a4eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8f21aabf7312c4f16d130f6ff52574dd0c94b6a9cc12678ff1025a22a1a4eba", kill_on_drop: false }`
[INFO] [stdout] e8f21aabf7312c4f16d130f6ff52574dd0c94b6a9cc12678ff1025a22a1a4eba