[INFO] cloning repository https://github.com/Vagelis-Prokopiou/rs_fibonacci
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vagelis-Prokopiou/rs_fibonacci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVagelis-Prokopiou%2Frs_fibonacci", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVagelis-Prokopiou%2Frs_fibonacci'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 795f75602f4469f1abb5b8039fa687b1952511d8
[INFO] checking Vagelis-Prokopiou/rs_fibonacci against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVagelis-Prokopiou%2Frs_fibonacci" "/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/Vagelis-Prokopiou/rs_fibonacci on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Vagelis-Prokopiou/rs_fibonacci
[INFO] finished tweaking git repo https://github.com/Vagelis-Prokopiou/rs_fibonacci
[INFO] tweaked toml for git repo https://github.com/Vagelis-Prokopiou/rs_fibonacci written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Vagelis-Prokopiou/rs_fibonacci already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ca5a2ecb6c0e34c717c5ec78fa55090c2769dac2fac2f28100a3f96052e4673
[INFO] running `Command { std: "docker" "start" "-a" "2ca5a2ecb6c0e34c717c5ec78fa55090c2769dac2fac2f28100a3f96052e4673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ca5a2ecb6c0e34c717c5ec78fa55090c2769dac2fac2f28100a3f96052e4673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ca5a2ecb6c0e34c717c5ec78fa55090c2769dac2fac2f28100a3f96052e4673", kill_on_drop: false }`
[INFO] [stdout] 2ca5a2ecb6c0e34c717c5ec78fa55090c2769dac2fac2f28100a3f96052e4673
[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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af484c1732c6ed53194c8c1e4fd938471aaf7e645a906a4c38afca666ab3ae25
[INFO] running `Command { std: "docker" "start" "-a" "af484c1732c6ed53194c8c1e4fd938471aaf7e645a906a4c38afca666ab3ae25", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/lib.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |     assert!(n > 0, true);
[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] 4 |     assert!(n > 0, "{}", true);
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     assert!(n > 0, true);
[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 <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] 23 |     assert!(n > 0, "{}", true);
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |     assert!(n > 0, true);
[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 <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] 43 |     assert!(n > 0, "{}", true);
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/lib.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |     assert!(n > 0, true);
[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] 4 |     assert!(n > 0, "{}", true);
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     assert!(n > 0, true);
[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 <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] 23 |     assert!(n > 0, "{}", true);
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |     assert!(n > 0, true);
[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 <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] 43 |     assert!(n > 0, "{}", true);
[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 0.44s
[INFO] running `Command { std: "docker" "inspect" "af484c1732c6ed53194c8c1e4fd938471aaf7e645a906a4c38afca666ab3ae25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af484c1732c6ed53194c8c1e4fd938471aaf7e645a906a4c38afca666ab3ae25", kill_on_drop: false }`
[INFO] [stdout] af484c1732c6ed53194c8c1e4fd938471aaf7e645a906a4c38afca666ab3ae25