[INFO] cloning repository https://github.com/Thermatix/nandos_coding_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Thermatix/nandos_coding_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThermatix%2Fnandos_coding_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThermatix%2Fnandos_coding_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57b1ea9bbb305af806ee04fafb6cd02a57943bb4
[INFO] building Thermatix/nandos_coding_test against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThermatix%2Fnandos_coding_test" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Thermatix/nandos_coding_test on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Thermatix/nandos_coding_test
[INFO] finished tweaking git repo https://github.com/Thermatix/nandos_coding_test
[INFO] tweaked toml for git repo https://github.com/Thermatix/nandos_coding_test written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Thermatix/nandos_coding_test 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v3.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 973a9bbe8926f2c44632def2bd27164674723f073c8d4fad749fc749b30e8d12
[INFO] running `Command { std: "docker" "start" "-a" "973a9bbe8926f2c44632def2bd27164674723f073c8d4fad749fc749b30e8d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "973a9bbe8926f2c44632def2bd27164674723f073c8d4fad749fc749b30e8d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "973a9bbe8926f2c44632def2bd27164674723f073c8d4fad749fc749b30e8d12", kill_on_drop: false }`
[INFO] [stdout] 973a9bbe8926f2c44632def2bd27164674723f073c8d4fad749fc749b30e8d12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51ca888acb9eeef33e68fe44095cdf4b7fe1c12d34a2115523b71bcbf20e4d90
[INFO] running `Command { std: "docker" "start" "-a" "51ca888acb9eeef33e68fe44095cdf4b7fe1c12d34a2115523b71bcbf20e4d90", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling ctrlc v3.1.8
[INFO] [stderr]    Compiling nandos_coding_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/data.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let mut rover = self.rovers.get_mut(self.current - 1).unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "51ca888acb9eeef33e68fe44095cdf4b7fe1c12d34a2115523b71bcbf20e4d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ca888acb9eeef33e68fe44095cdf4b7fe1c12d34a2115523b71bcbf20e4d90", kill_on_drop: false }`
[INFO] [stdout] 51ca888acb9eeef33e68fe44095cdf4b7fe1c12d34a2115523b71bcbf20e4d90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbbd34a979cb250298d0314ca8d90140146f2b8a851d301d5b21a314e9a60520
[INFO] running `Command { std: "docker" "start" "-a" "dbbd34a979cb250298d0314ca8d90140146f2b8a851d301d5b21a314e9a60520", kill_on_drop: false }`
[INFO] [stderr]    Compiling nandos_coding_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/tests/data.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |         Err(Errors::OffGrid(x, y))
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/tests/data.rs:51:32
[INFO] [stdout]    |
[INFO] [stdout] 51 |         Err(Errors::OffGrid(x, y))
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/tests/data.rs:56:29
[INFO] [stdout]    |
[INFO] [stdout] 56 |         Err(Errors::OffGrid(x, y))
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/tests/data.rs:56:32
[INFO] [stdout]    |
[INFO] [stdout] 56 |         Err(Errors::OffGrid(x, y))
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/data.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let mut rover = self.rovers.get_mut(self.current - 1).unwrap();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "dbbd34a979cb250298d0314ca8d90140146f2b8a851d301d5b21a314e9a60520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbbd34a979cb250298d0314ca8d90140146f2b8a851d301d5b21a314e9a60520", kill_on_drop: false }`
[INFO] [stdout] dbbd34a979cb250298d0314ca8d90140146f2b8a851d301d5b21a314e9a60520