[INFO] fetching crate inpm-impl 0.2.1...
[INFO] checking inpm-impl-0.2.1 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate inpm-impl 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate inpm-impl 0.2.1 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a361fda7ec3cd3cbbf55db0a8585755166c3c069dbb06054ed23584e5a70474
[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" "7a361fda7ec3cd3cbbf55db0a8585755166c3c069dbb06054ed23584e5a70474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a361fda7ec3cd3cbbf55db0a8585755166c3c069dbb06054ed23584e5a70474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a361fda7ec3cd3cbbf55db0a8585755166c3c069dbb06054ed23584e5a70474", kill_on_drop: false }`
[INFO] [stdout] 7a361fda7ec3cd3cbbf55db0a8585755166c3c069dbb06054ed23584e5a70474
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b28424564e3198b54e1568eb2314d262487c71741931394b634f9d3abe785428
[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" "b28424564e3198b54e1568eb2314d262487c71741931394b634f9d3abe785428", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking quote v1.0.7
[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: 7 warnings emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.95s
[INFO] running `Command { std: "docker" "inspect" "b28424564e3198b54e1568eb2314d262487c71741931394b634f9d3abe785428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b28424564e3198b54e1568eb2314d262487c71741931394b634f9d3abe785428", kill_on_drop: false }`
[INFO] [stdout] b28424564e3198b54e1568eb2314d262487c71741931394b634f9d3abe785428