[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] testing yoshi0701/rust-command-line-sandbox against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshi0701%2Frust-command-line-sandbox" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yoshi0701/rust-command-line-sandbox on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-6/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3669101e8cf8f28413865b9c4924029c50b8605ed71011b7ad3f25f2a6db6a97
[INFO] running `Command { std: "docker" "start" "-a" "3669101e8cf8f28413865b9c4924029c50b8605ed71011b7ad3f25f2a6db6a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3669101e8cf8f28413865b9c4924029c50b8605ed71011b7ad3f25f2a6db6a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3669101e8cf8f28413865b9c4924029c50b8605ed71011b7ad3f25f2a6db6a97", kill_on_drop: false }`
[INFO] [stdout] 3669101e8cf8f28413865b9c4924029c50b8605ed71011b7ad3f25f2a6db6a97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1685bf45cb969c190a26232c59a0ca9a4751961af9c764959f5d5145bb5eff79
[INFO] running `Command { std: "docker" "start" "-a" "1685bf45cb969c190a26232c59a0ca9a4751961af9c764959f5d5145bb5eff79", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "1685bf45cb969c190a26232c59a0ca9a4751961af9c764959f5d5145bb5eff79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1685bf45cb969c190a26232c59a0ca9a4751961af9c764959f5d5145bb5eff79", kill_on_drop: false }`
[INFO] [stdout] 1685bf45cb969c190a26232c59a0ca9a4751961af9c764959f5d5145bb5eff79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99b6dd0681493952405ba835b52485bed7f88487854053406677c73ee712da91
[INFO] running `Command { std: "docker" "start" "-a" "99b6dd0681493952405ba835b52485bed7f88487854053406677c73ee712da91", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "99b6dd0681493952405ba835b52485bed7f88487854053406677c73ee712da91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b6dd0681493952405ba835b52485bed7f88487854053406677c73ee712da91", kill_on_drop: false }`
[INFO] [stdout] 99b6dd0681493952405ba835b52485bed7f88487854053406677c73ee712da91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 49a4bec24a4bbf7fc0fa8be2c93a278386d39678b8638dd6e19a85cbff550ab6
[INFO] running `Command { std: "docker" "start" "-a" "49a4bec24a4bbf7fc0fa8be2c93a278386d39678b8638dd6e19a85cbff550ab6", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:10:7
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 10 |   let mut mars_weight = calculate_weight_on_mars(weight);
[INFO] [stdout] 
[INFO] [stderr]    |       ----^^^^^^^^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mars_calc` (bin "mars_calc" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mars_calc-82021483a0ffce83)
[INFO] running `Command { std: "docker" "inspect" "49a4bec24a4bbf7fc0fa8be2c93a278386d39678b8638dd6e19a85cbff550ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49a4bec24a4bbf7fc0fa8be2c93a278386d39678b8638dd6e19a85cbff550ab6", kill_on_drop: false }`
[INFO] [stdout] 49a4bec24a4bbf7fc0fa8be2c93a278386d39678b8638dd6e19a85cbff550ab6