[INFO] cloning repository https://github.com/johnwfinigan/cpio-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnwfinigan/cpio-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnwfinigan%2Fcpio-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnwfinigan%2Fcpio-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 606f6ea14a95b3ea7ec397c258d4736f06c1d456
[INFO] checking johnwfinigan/cpio-rust against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnwfinigan%2Fcpio-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnwfinigan/cpio-rust on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/johnwfinigan/cpio-rust
[INFO] finished tweaking git repo https://github.com/johnwfinigan/cpio-rust
[INFO] tweaked toml for git repo https://github.com/johnwfinigan/cpio-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/johnwfinigan/cpio-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9fe0ebda60bd1f9cdb3a8163bc100a482b3d3662402e86c351329b905ca38675
[INFO] running `Command { std: "docker" "start" "-a" "9fe0ebda60bd1f9cdb3a8163bc100a482b3d3662402e86c351329b905ca38675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fe0ebda60bd1f9cdb3a8163bc100a482b3d3662402e86c351329b905ca38675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fe0ebda60bd1f9cdb3a8163bc100a482b3d3662402e86c351329b905ca38675", kill_on_drop: false }`
[INFO] [stdout] 9fe0ebda60bd1f9cdb3a8163bc100a482b3d3662402e86c351329b905ca38675
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ee184f2fdd08a31f0e215cbfbba8479ea06cbd50952642c270b8952ac7ae204
[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" "2ee184f2fdd08a31f0e215cbfbba8479ea06cbd50952642c270b8952ac7ae204", kill_on_drop: false }`
[INFO] [stderr]     Checking cpio-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:18:82
[INFO] [stdout]    |
[INFO] [stdout] 18 |                     Err(why) => panic!("couldn't open {}: {}", input.trim(), why.description()),
[INFO] [stdout]    |                                                                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:31:44
[INFO] [stdout]    |
[INFO] [stdout] 31 |                         Err(why) => panic!(why),
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 31 |                         Err(why) => panic!("{}", why),
[INFO] [stdout]    |                                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 31 |                         Err(why) => std::panic::panic_any(why),
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:18:82
[INFO] [stdout]    |
[INFO] [stdout] 18 |                     Err(why) => panic!("couldn't open {}: {}", input.trim(), why.description()),
[INFO] [stdout]    |                                                                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:31:44
[INFO] [stdout]    |
[INFO] [stdout] 31 |                         Err(why) => panic!(why),
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 31 |                         Err(why) => panic!("{}", why),
[INFO] [stdout]    |                                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 31 |                         Err(why) => std::panic::panic_any(why),
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "2ee184f2fdd08a31f0e215cbfbba8479ea06cbd50952642c270b8952ac7ae204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ee184f2fdd08a31f0e215cbfbba8479ea06cbd50952642c270b8952ac7ae204", kill_on_drop: false }`
[INFO] [stdout] 2ee184f2fdd08a31f0e215cbfbba8479ea06cbd50952642c270b8952ac7ae204