[INFO] cloning repository https://github.com/Lonami/backpropers [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lonami/backpropers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLonami%2Fbackpropers", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLonami%2Fbackpropers'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1c04e0bf01d8dc3e47fb2d63e89aede59e10a2e1 [INFO] checking Lonami/backpropers against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLonami%2Fbackpropers" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Lonami/backpropers on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Lonami/backpropers [INFO] finished tweaking git repo https://github.com/Lonami/backpropers [INFO] tweaked toml for git repo https://github.com/Lonami/backpropers written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/Lonami/backpropers already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c0e7071d99aa9c3153891ed33c0d0de0ff40cad1b2f919f4f695db3bb5bb526 [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" "4c0e7071d99aa9c3153891ed33c0d0de0ff40cad1b2f919f4f695db3bb5bb526", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c0e7071d99aa9c3153891ed33c0d0de0ff40cad1b2f919f4f695db3bb5bb526", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c0e7071d99aa9c3153891ed33c0d0de0ff40cad1b2f919f4f695db3bb5bb526", kill_on_drop: false }` [INFO] [stdout] 4c0e7071d99aa9c3153891ed33c0d0de0ff40cad1b2f919f4f695db3bb5bb526 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 2b603e0bfabc9056df6af321146696d59cc54ae77c8aad3a52e4beac984661b0 [INFO] running `Command { std: "docker" "start" "-a" "2b603e0bfabc9056df6af321146696d59cc54ae77c8aad3a52e4beac984661b0", kill_on_drop: false }` [INFO] [stderr] Checking flysim v0.1.0 (/opt/rustwide/workdir/flysim) [INFO] [stderr] Checking backpropers v0.1.0 (/opt/rustwide/workdir/backpropers) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> backpropers/src/main.rs:415:17 [INFO] [stdout] | [INFO] [stdout] 415 | format!("bad output for x = {}", x) [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 [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 415 | "bad output for x = {}", x [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> backpropers/src/main.rs:434:17 [INFO] [stdout] | [INFO] [stdout] 434 | format!("bad output for x = {}", x) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 434 | "bad output for x = {}", x [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> backpropers/src/main.rs:473:17 [INFO] [stdout] | [INFO] [stdout] 473 | / format!( [INFO] [stdout] 474 | | "bad output at i = {} (got = {}, expected {})", [INFO] [stdout] 475 | | i, x, expected [INFO] [stdout] 476 | | ) [INFO] [stdout] | |_________________^ [INFO] [stdout] | [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 [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 473 | [INFO] [stdout] 474 | "bad output at i = {} (got = {}, expected {})", [INFO] [stdout] 475 | i, x, expected [INFO] [stdout] 476 | [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.83s [INFO] running `Command { std: "docker" "inspect" "2b603e0bfabc9056df6af321146696d59cc54ae77c8aad3a52e4beac984661b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b603e0bfabc9056df6af321146696d59cc54ae77c8aad3a52e4beac984661b0", kill_on_drop: false }` [INFO] [stdout] 2b603e0bfabc9056df6af321146696d59cc54ae77c8aad3a52e4beac984661b0