[INFO] cloning repository https://github.com/altescape/nth_fibonacci
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/altescape/nth_fibonacci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faltescape%2Fnth_fibonacci", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faltescape%2Fnth_fibonacci'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab25a847d600769f3743315dc3f629a5c0f1804c
[INFO] checking altescape/nth_fibonacci against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faltescape%2Fnth_fibonacci" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/altescape/nth_fibonacci
[INFO] finished tweaking git repo https://github.com/altescape/nth_fibonacci
[INFO] tweaked toml for git repo https://github.com/altescape/nth_fibonacci written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/altescape/nth_fibonacci on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/altescape/nth_fibonacci already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 585d78a40bd6bbf0669f3bc6ee97d4b9e5255f6be0368b0a99fb8c572f594f57
[INFO] running `Command { std: "docker" "start" "-a" "585d78a40bd6bbf0669f3bc6ee97d4b9e5255f6be0368b0a99fb8c572f594f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "585d78a40bd6bbf0669f3bc6ee97d4b9e5255f6be0368b0a99fb8c572f594f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "585d78a40bd6bbf0669f3bc6ee97d4b9e5255f6be0368b0a99fb8c572f594f57", kill_on_drop: false }`
[INFO] [stdout] 585d78a40bd6bbf0669f3bc6ee97d4b9e5255f6be0368b0a99fb8c572f594f57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e94f3755b7f334bcdad324562ad508c7960a846516ee3cb7b5ab38d30dcce6c
[INFO] running `Command { std: "docker" "start" "-a" "1e94f3755b7f334bcdad324562ad508c7960a846516ee3cb7b5ab38d30dcce6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling siphasher v0.3.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking zeroize v1.5.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking which v4.2.4
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]     Checking dialoguer v0.9.0
[INFO] [stderr]    Compiling terminfo v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking clearscreen v1.0.9
[INFO] [stderr]     Checking nth_fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `fibonacci` is never used
[INFO] [stdout]   --> src/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn fibonacci(n: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fibonacci` is never used
[INFO] [stdout]   --> src/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn fibonacci(n: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.36s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, terminfo v0.7.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "1e94f3755b7f334bcdad324562ad508c7960a846516ee3cb7b5ab38d30dcce6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e94f3755b7f334bcdad324562ad508c7960a846516ee3cb7b5ab38d30dcce6c", kill_on_drop: false }`
[INFO] [stdout] 1e94f3755b7f334bcdad324562ad508c7960a846516ee3cb7b5ab38d30dcce6c