[INFO] cloning repository https://github.com/guymarshall/diabetic_app
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guymarshall/diabetic_app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguymarshall%2Fdiabetic_app", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguymarshall%2Fdiabetic_app'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad93befb75c49fb87c66b6bf883c6335766cda84
[INFO] testing guymarshall/diabetic_app against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguymarshall%2Fdiabetic_app" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guymarshall/diabetic_app on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/guymarshall/diabetic_app
[INFO] finished tweaking git repo https://github.com/guymarshall/diabetic_app
[INFO] tweaked toml for git repo https://github.com/guymarshall/diabetic_app written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/guymarshall/diabetic_app already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 42d2e4bcaa9ceca6e5e159f6131c8036f0da146494587d4ab3f2cd993defe940
[INFO] running `Command { std: "docker" "start" "-a" "42d2e4bcaa9ceca6e5e159f6131c8036f0da146494587d4ab3f2cd993defe940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42d2e4bcaa9ceca6e5e159f6131c8036f0da146494587d4ab3f2cd993defe940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42d2e4bcaa9ceca6e5e159f6131c8036f0da146494587d4ab3f2cd993defe940", kill_on_drop: false }`
[INFO] [stdout] 42d2e4bcaa9ceca6e5e159f6131c8036f0da146494587d4ab3f2cd993defe940
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1034a825d874dc8e051f4fef903a858953b560dd920c1b24bafa490389f796c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f1034a825d874dc8e051f4fef903a858953b560dd920c1b24bafa490389f796c", kill_on_drop: false }`
[INFO] [stderr]    Compiling diabetic_app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/update_software.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut update_is_available: bool = check_for_updates();
[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: function is never used: `number_to_day`
[INFO] [stdout]  --> src/dates.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn number_to_day(number: i32) -> &'static str {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `number_to_month`
[INFO] [stdout]   --> src/dates.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn number_to_month(number: i32) -> &'static str {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_average_glucose`
[INFO] [stdout]  --> src/glucose_action.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn calculate_average_glucose(glucose_results: &[f64]) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `display_max_glucose`
[INFO] [stdout]   --> src/glucose_action.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn display_max_glucose(glucose_results: &[f64]) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `warning`
[INFO] [stdout]  --> src/warning.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn warning(glucose_result: f64, ideal_low: f64, ideal_high: f64) -> &'static str {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "f1034a825d874dc8e051f4fef903a858953b560dd920c1b24bafa490389f796c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1034a825d874dc8e051f4fef903a858953b560dd920c1b24bafa490389f796c", kill_on_drop: false }`
[INFO] [stdout] f1034a825d874dc8e051f4fef903a858953b560dd920c1b24bafa490389f796c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 627f679251cb6ff2c996b86c3516cba92fb1c3584da511264030d6431b78f2be
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "627f679251cb6ff2c996b86c3516cba92fb1c3584da511264030d6431b78f2be", kill_on_drop: false }`
[INFO] [stderr]    Compiling diabetic_app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/update_software.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut update_is_available: bool = check_for_updates();
[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: function is never used: `number_to_day`
[INFO] [stdout]  --> src/dates.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn number_to_day(number: i32) -> &'static str {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `number_to_month`
[INFO] [stdout]   --> src/dates.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn number_to_month(number: i32) -> &'static str {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_average_glucose`
[INFO] [stdout]  --> src/glucose_action.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn calculate_average_glucose(glucose_results: &[f64]) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `display_max_glucose`
[INFO] [stdout]   --> src/glucose_action.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn display_max_glucose(glucose_results: &[f64]) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `warning`
[INFO] [stdout]  --> src/warning.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn warning(glucose_result: f64, ideal_low: f64, ideal_high: f64) -> &'static str {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "627f679251cb6ff2c996b86c3516cba92fb1c3584da511264030d6431b78f2be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "627f679251cb6ff2c996b86c3516cba92fb1c3584da511264030d6431b78f2be", kill_on_drop: false }`
[INFO] [stdout] 627f679251cb6ff2c996b86c3516cba92fb1c3584da511264030d6431b78f2be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3a984070be61ee43aa1449243a01b036c1b9166cd3d906edb94429862fff5ffb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3a984070be61ee43aa1449243a01b036c1b9166cd3d906edb94429862fff5ffb", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/update_software.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut update_is_available: bool = check_for_updates();
[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: function is never used: `number_to_day`
[INFO] [stderr]  --> src/dates.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn number_to_day(number: i32) -> &'static str {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `number_to_month`
[INFO] [stderr]   --> src/dates.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn number_to_month(number: i32) -> &'static str {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_average_glucose`
[INFO] [stderr]  --> src/glucose_action.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn calculate_average_glucose(glucose_results: &[f64]) -> f64 {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `display_max_glucose`
[INFO] [stderr]   --> src/glucose_action.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn display_max_glucose(glucose_results: &[f64]) -> f64 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `warning`
[INFO] [stderr]  --> src/warning.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn warning(glucose_result: f64, ideal_low: f64, ideal_high: f64) -> &'static str {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `diabetic_app` (bin "diabetic_app" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/diabetic_app-2c13071cf4e88859)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3a984070be61ee43aa1449243a01b036c1b9166cd3d906edb94429862fff5ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a984070be61ee43aa1449243a01b036c1b9166cd3d906edb94429862fff5ffb", kill_on_drop: false }`
[INFO] [stdout] 3a984070be61ee43aa1449243a01b036c1b9166cd3d906edb94429862fff5ffb