[INFO] cloning repository https://github.com/jhamill34/rust-utilities
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jhamill34/rust-utilities" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhamill34%2Frust-utilities", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhamill34%2Frust-utilities'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 498b06bb2ded4919a2943667bd574a4e6a648283
[INFO] checking jhamill34/rust-utilities against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhamill34%2Frust-utilities" "/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/jhamill34/rust-utilities on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jhamill34/rust-utilities
[INFO] finished tweaking git repo https://github.com/jhamill34/rust-utilities
[INFO] tweaked toml for git repo https://github.com/jhamill34/rust-utilities written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jhamill34/rust-utilities already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b74f410d5f04a55c1c62935c7a6cbc841054b3f52f71f97b18bfa7e47f7befb4
[INFO] running `Command { std: "docker" "start" "-a" "b74f410d5f04a55c1c62935c7a6cbc841054b3f52f71f97b18bfa7e47f7befb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b74f410d5f04a55c1c62935c7a6cbc841054b3f52f71f97b18bfa7e47f7befb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b74f410d5f04a55c1c62935c7a6cbc841054b3f52f71f97b18bfa7e47f7befb4", kill_on_drop: false }`
[INFO] [stdout] b74f410d5f04a55c1c62935c7a6cbc841054b3f52f71f97b18bfa7e47f7befb4
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d7220bf8cc8cb6b0a5db9102c686d97a38436860e53aae5c369de2e2961f81d
[INFO] running `Command { std: "docker" "start" "-a" "2d7220bf8cc8cb6b0a5db9102c686d97a38436860e53aae5c369de2e2961f81d", kill_on_drop: false }`
[INFO] [stderr]     Checking pipeline v0.1.0 (/opt/rustwide/workdir/pipeline)
[INFO] [stderr]     Checking lookahead_buffer v0.1.0 (/opt/rustwide/workdir/lookahead_buffer)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> pipeline/tests/integration_tests.rs:24:26
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Err(e) => panic!(e),
[INFO] [stdout]    |                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Err(e) => panic!("{}", e),
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "2d7220bf8cc8cb6b0a5db9102c686d97a38436860e53aae5c369de2e2961f81d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d7220bf8cc8cb6b0a5db9102c686d97a38436860e53aae5c369de2e2961f81d", kill_on_drop: false }`
[INFO] [stdout] 2d7220bf8cc8cb6b0a5db9102c686d97a38436860e53aae5c369de2e2961f81d