[INFO] cloning repository https://github.com/yoshi0701/rust-command-line-sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yoshi0701/rust-command-line-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshi0701%2Frust-command-line-sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshi0701%2Frust-command-line-sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edfc7e015639138b71112a7ce85740275df4b167
[INFO] checking yoshi0701/rust-command-line-sandbox against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshi0701%2Frust-command-line-sandbox" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yoshi0701/rust-command-line-sandbox on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yoshi0701/rust-command-line-sandbox
[INFO] finished tweaking git repo https://github.com/yoshi0701/rust-command-line-sandbox
[INFO] tweaked toml for git repo https://github.com/yoshi0701/rust-command-line-sandbox written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/yoshi0701/rust-command-line-sandbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f8a512f5cc45402c758cdc7f5ed205ba09bc4b4b6d7baf81772270be86d2d59
[INFO] running `Command { std: "docker" "start" "-a" "5f8a512f5cc45402c758cdc7f5ed205ba09bc4b4b6d7baf81772270be86d2d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f8a512f5cc45402c758cdc7f5ed205ba09bc4b4b6d7baf81772270be86d2d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f8a512f5cc45402c758cdc7f5ed205ba09bc4b4b6d7baf81772270be86d2d59", kill_on_drop: false }`
[INFO] [stdout] 5f8a512f5cc45402c758cdc7f5ed205ba09bc4b4b6d7baf81772270be86d2d59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6e0dfdf0341bb203bcbce92fc73c94b67350e9749e26e7dd65210d34b9f254f
[INFO] running `Command { std: "docker" "start" "-a" "b6e0dfdf0341bb203bcbce92fc73c94b67350e9749e26e7dd65210d34b9f254f", kill_on_drop: false }`
[INFO] [stderr]     Checking mars_calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 |   let mut mars_weight = calculate_weight_on_mars(weight);
[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] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 |   let mut mars_weight = calculate_weight_on_mars(weight);
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "b6e0dfdf0341bb203bcbce92fc73c94b67350e9749e26e7dd65210d34b9f254f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6e0dfdf0341bb203bcbce92fc73c94b67350e9749e26e7dd65210d34b9f254f", kill_on_drop: false }`
[INFO] [stdout] b6e0dfdf0341bb203bcbce92fc73c94b67350e9749e26e7dd65210d34b9f254f