[INFO] fetching crate inpm-impl 0.2.1...
[INFO] checking inpm-impl-0.2.1 against try#075992eda207e1647b699c8c8ada67b32ce7b115 for pr-77271
[INFO] extracting crate inpm-impl 0.2.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate inpm-impl 0.2.1 on toolchain 075992eda207e1647b699c8c8ada67b32ce7b115
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate inpm-impl 0.2.1
[INFO] finished tweaking crates.io crate inpm-impl 0.2.1
[INFO] tweaked toml for crates.io crate inpm-impl 0.2.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a838fe010bc43a2c662d2a20b15b29e023572f57c570e3a50f69c8bf169bc621
[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" "a838fe010bc43a2c662d2a20b15b29e023572f57c570e3a50f69c8bf169bc621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a838fe010bc43a2c662d2a20b15b29e023572f57c570e3a50f69c8bf169bc621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a838fe010bc43a2c662d2a20b15b29e023572f57c570e3a50f69c8bf169bc621", kill_on_drop: false }`
[INFO] [stdout] a838fe010bc43a2c662d2a20b15b29e023572f57c570e3a50f69c8bf169bc621
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5a1bc1fb935bc8766df4649784569c635b5262afe5275d83d258c9fd51b712e
[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" "d5a1bc1fb935bc8766df4649784569c635b5262afe5275d83d258c9fd51b712e", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v1.0.42
[INFO] [stderr]     Checking inpm-impl v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::file::File`
[INFO] [stdout]  --> src/dir.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::file::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]  --> src/dir.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use proc_macro2::{Span, TokenStream};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/dir.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syn::{Error, Result};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::file::File`
[INFO] [stdout]  --> src/dir.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::file::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]  --> src/dir.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use proc_macro2::{Span, TokenStream};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/dir.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syn::{Error, Result};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_command`
[INFO] [stdout]  --> src/command.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn run_command(args: Vec<&str>, path: &std::path::Path) -> Result<()> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `execute_command`
[INFO] [stdout]   --> src/command.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn execute_command(command: &mut Command) -> Result<std::process::ExitStatus> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `verbose_command_error`
[INFO] [stdout]   --> src/command.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn verbose_command_error(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_disk`
[INFO] [stdout]   --> src/file.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn from_disk<Q: AsRef<Path>, P: Into<PathBuf>>(root: Q, path: P) -> Result<File> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_command`
[INFO] [stdout]  --> src/command.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn run_command(args: Vec<&str>, path: &std::path::Path) -> Result<()> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `execute_command`
[INFO] [stdout]   --> src/command.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn execute_command(command: &mut Command) -> Result<std::process::ExitStatus> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `verbose_command_error`
[INFO] [stdout]   --> src/command.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn verbose_command_error(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_disk`
[INFO] [stdout]   --> src/file.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn from_disk<Q: AsRef<Path>, P: Into<PathBuf>>(root: Q, path: P) -> Result<File> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `Command { std: "docker" "inspect" "d5a1bc1fb935bc8766df4649784569c635b5262afe5275d83d258c9fd51b712e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5a1bc1fb935bc8766df4649784569c635b5262afe5275d83d258c9fd51b712e", kill_on_drop: false }`
[INFO] [stdout] d5a1bc1fb935bc8766df4649784569c635b5262afe5275d83d258c9fd51b712e