[INFO] cloning repository https://github.com/AlejandroPenacho/m-ctsp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlejandroPenacho/m-ctsp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlejandroPenacho%2Fm-ctsp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlejandroPenacho%2Fm-ctsp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b1b96218056b895bd843289e416bdacc8c68a0a
[INFO] building AlejandroPenacho/m-ctsp 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%2FAlejandroPenacho%2Fm-ctsp" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlejandroPenacho/m-ctsp 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/AlejandroPenacho/m-ctsp
[INFO] finished tweaking git repo https://github.com/AlejandroPenacho/m-ctsp
[INFO] tweaked toml for git repo https://github.com/AlejandroPenacho/m-ctsp written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AlejandroPenacho/m-ctsp 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a915d2aff6ef338a2b189146596362ae9648d0cff6f817d6a6423497ad5aa45a
[INFO] running `Command { std: "docker" "start" "-a" "a915d2aff6ef338a2b189146596362ae9648d0cff6f817d6a6423497ad5aa45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a915d2aff6ef338a2b189146596362ae9648d0cff6f817d6a6423497ad5aa45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a915d2aff6ef338a2b189146596362ae9648d0cff6f817d6a6423497ad5aa45a", kill_on_drop: false }`
[INFO] [stdout] a915d2aff6ef338a2b189146596362ae9648d0cff6f817d6a6423497ad5aa45a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 59937eaa6b4562b9879db885b3e5bb8351da1e86c8d9a286096c516e76b34976
[INFO] running `Command { std: "docker" "start" "-a" "59937eaa6b4562b9879db885b3e5bb8351da1e86c8d9a286096c516e76b34976", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling m-ctsp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/solver/mod.rs:365:26
[INFO] [stdout]     |
[INFO] [stdout] 365 |                 .find(|&(i,&x)| x != 0).map(|(i,x)| i);
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/solver/mod.rs:365:49
[INFO] [stdout]     |
[INFO] [stdout] 365 |                 .find(|&(i,&x)| x != 0).map(|(i,x)| i);
[INFO] [stdout]     |                                                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `create_test_graph` is never used
[INFO] [stdout]    --> src/graph/mod.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout] 56  | impl GraphWH {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn create_test_graph(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "59937eaa6b4562b9879db885b3e5bb8351da1e86c8d9a286096c516e76b34976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59937eaa6b4562b9879db885b3e5bb8351da1e86c8d9a286096c516e76b34976", kill_on_drop: false }`
[INFO] [stdout] 59937eaa6b4562b9879db885b3e5bb8351da1e86c8d9a286096c516e76b34976
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8ea1b1de3a504c2af024aed0e4d68e81515a7e9e6f3f0cebe8b7e6a7c61e0c8e
[INFO] running `Command { std: "docker" "start" "-a" "8ea1b1de3a504c2af024aed0e4d68e81515a7e9e6f3f0cebe8b7e6a7c61e0c8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling m-ctsp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/solver/mod.rs:365:26
[INFO] [stdout]     |
[INFO] [stdout] 365 |                 .find(|&(i,&x)| x != 0).map(|(i,x)| i);
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/solver/mod.rs:365:49
[INFO] [stdout]     |
[INFO] [stdout] 365 |                 .find(|&(i,&x)| x != 0).map(|(i,x)| i);
[INFO] [stdout]     |                                                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/solver/mod.rs:1096:17
[INFO] [stdout]      |
[INFO] [stdout] 1096 |             let mut last_total_cost = problem.compute_total_cost();
[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 0.42s
[INFO] running `Command { std: "docker" "inspect" "8ea1b1de3a504c2af024aed0e4d68e81515a7e9e6f3f0cebe8b7e6a7c61e0c8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea1b1de3a504c2af024aed0e4d68e81515a7e9e6f3f0cebe8b7e6a7c61e0c8e", kill_on_drop: false }`
[INFO] [stdout] 8ea1b1de3a504c2af024aed0e4d68e81515a7e9e6f3f0cebe8b7e6a7c61e0c8e