[INFO] updating cached repository Mirabellensaft/pH_calculator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Mirabellensaft/pH_calculator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Mirabellensaft/pH_calculator" "work/ex/beta-1.38-1/sources/1.37.0/gh/Mirabellensaft/pH_calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Mirabellensaft/pH_calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Mirabellensaft/pH_calculator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Mirabellensaft/pH_calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Mirabellensaft/pH_calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 037c859665fb209bed52aa0b6b8d79624b9e16d6
[INFO] sha for GitHub repo Mirabellensaft/pH_calculator: 037c859665fb209bed52aa0b6b8d79624b9e16d6
[INFO] validating manifest of Mirabellensaft/pH_calculator on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Mirabellensaft/pH_calculator on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Mirabellensaft/pH_calculator
[INFO] finished frobbing Mirabellensaft/pH_calculator
[INFO] frobbed toml for Mirabellensaft/pH_calculator written to work/ex/beta-1.38-1/sources/1.37.0/gh/Mirabellensaft/pH_calculator/Cargo.toml
[INFO] started frobbing Mirabellensaft/pH_calculator
[INFO] finished frobbing Mirabellensaft/pH_calculator
[INFO] frobbed toml for Mirabellensaft/pH_calculator written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Mirabellensaft/pH_calculator/Cargo.toml
[INFO] crate Mirabellensaft/pH_calculator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing Mirabellensaft/pH_calculator against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Mirabellensaft/pH_calculator:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e2ded5d93b337a9d422f9bed1bef0c333afc9c19387568c6b97fa0d8b79c22a6
[INFO] running `"docker" "start" "-a" "e2ded5d93b337a9d422f9bed1bef0c333afc9c19387568c6b97fa0d8b79c22a6"`
[INFO] [stderr]    Compiling pH_calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name_titrant`
[INFO] [stderr]   --> src/main.rs:85:96
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn pH_strong(conc_ions_titrant: f32, vol_analyte: f32, vol_titrant: f32, valence_titrant: f32, name_titrant: &str) -> f32 {
[INFO] [stderr]    |                                                                                                ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_name_titrant`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `pH_calculator` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `p_h_calculator`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `pH_analyte` should have a snake case name
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let pH_analyte = pH_strong(conc_ions_titrant, properties_analyte.volume, properties_titrant.volume, properties_titrant.valence, &properties_titrant.substance);
[INFO] [stderr]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `p_h_analyte`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     io::stdin().read_line(&mut name);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function `pH_strong` should have a snake case name
[INFO] [stderr]   --> src/main.rs:85:4
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn pH_strong(conc_ions_titrant: f32, vol_analyte: f32, vol_titrant: f32, valence_titrant: f32, name_titrant: &str) -> f32 {
[INFO] [stderr]    |    ^^^^^^^^^ help: convert the identifier to snake case: `p_h_strong`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `conc_OH` should have a snake case name
[INFO] [stderr]   --> src/main.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let conc_OH = conc_ions_titrant;
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `conc_oh`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `conc_H` should have a snake case name
[INFO] [stderr]   --> src/main.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let conc_H = conc_analyte_ions(vol_titrant, conc_OH, vol_analyte);
[INFO] [stderr]    |             ^^^^^^ help: convert the identifier to snake case: `conc_h`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `conc_H` should have a snake case name
[INFO] [stderr]   --> src/main.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let conc_H = conc_ions_titrant;
[INFO] [stderr]    |             ^^^^^^ help: convert the identifier to snake case: `conc_h`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `conc_OH` should have a snake case name
[INFO] [stderr]   --> src/main.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |         let conc_OH = conc_analyte_ions(vol_titrant, conc_H, vol_analyte);
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `conc_oh`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `pOH_analyte` should have a snake case name
[INFO] [stderr]   --> src/main.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let pOH_analyte = potentia(conc_OH);
[INFO] [stderr]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `p_oh_analyte`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "e2ded5d93b337a9d422f9bed1bef0c333afc9c19387568c6b97fa0d8b79c22a6"`
[INFO] running `"docker" "rm" "-f" "e2ded5d93b337a9d422f9bed1bef0c333afc9c19387568c6b97fa0d8b79c22a6"`
[INFO] [stdout] e2ded5d93b337a9d422f9bed1bef0c333afc9c19387568c6b97fa0d8b79c22a6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Mirabellensaft/pH_calculator:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6fe35419c1418e18b53e0c6c6228731a12ad9ed5fa1e88505c9199de7afb9624
[INFO] running `"docker" "start" "-a" "6fe35419c1418e18b53e0c6c6228731a12ad9ed5fa1e88505c9199de7afb9624"`
[INFO] [stderr]    Compiling pH_calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name_titrant`
[INFO] [stderr]   --> src/main.rs:85:96
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn pH_strong(conc_ions_titrant: f32, vol_analyte: f32, vol_titrant: f32, valence_titrant: f32, name_titrant: &str) -> f32 {
[INFO] [stderr]    |                                                                                                ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_name_titrant`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `pH_calculator` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `p_h_calculator`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `pH_analyte` should have a snake case name
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let pH_analyte = pH_strong(conc_ions_titrant, properties_analyte.volume, properties_titrant.volume, properties_titrant.valence, &properties_titrant.substance);
[INFO] [stderr]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `p_h_analyte`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     io::stdin().read_line(&mut name);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function `pH_strong` should have a snake case name
[INFO] [stderr]   --> src/main.rs:85:4
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn pH_strong(conc_ions_titrant: f32, vol_analyte: f32, vol_titrant: f32, valence_titrant: f32, name_titrant: &str) -> f32 {
[INFO] [stderr]    |    ^^^^^^^^^ help: convert the identifier to snake case: `p_h_strong`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `conc_OH` should have a snake case name
[INFO] [stderr]   --> src/main.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let conc_OH = conc_ions_titrant;
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `conc_oh`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `conc_H` should have a snake case name
[INFO] [stderr]   --> src/main.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let conc_H = conc_analyte_ions(vol_titrant, conc_OH, vol_analyte);
[INFO] [stderr]    |             ^^^^^^ help: convert the identifier to snake case: `conc_h`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `conc_H` should have a snake case name
[INFO] [stderr]   --> src/main.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let conc_H = conc_ions_titrant;
[INFO] [stderr]    |             ^^^^^^ help: convert the identifier to snake case: `conc_h`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `conc_OH` should have a snake case name
[INFO] [stderr]   --> src/main.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |         let conc_OH = conc_analyte_ions(vol_titrant, conc_H, vol_analyte);
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `conc_oh`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `pOH_analyte` should have a snake case name
[INFO] [stderr]   --> src/main.rs:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let pOH_analyte = potentia(conc_OH);
[INFO] [stderr]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `p_oh_analyte`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "6fe35419c1418e18b53e0c6c6228731a12ad9ed5fa1e88505c9199de7afb9624"`
[INFO] running `"docker" "rm" "-f" "6fe35419c1418e18b53e0c6c6228731a12ad9ed5fa1e88505c9199de7afb9624"`
[INFO] [stdout] 6fe35419c1418e18b53e0c6c6228731a12ad9ed5fa1e88505c9199de7afb9624
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Mirabellensaft/pH_calculator:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 39e5cd78434e537d1785369bb1fde102be6a8807b6cd5655222faf82db2b237d
[INFO] running `"docker" "start" "-a" "39e5cd78434e537d1785369bb1fde102be6a8807b6cd5655222faf82db2b237d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pH_calculator-2a067cc2689559da
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "39e5cd78434e537d1785369bb1fde102be6a8807b6cd5655222faf82db2b237d"`
[INFO] running `"docker" "rm" "-f" "39e5cd78434e537d1785369bb1fde102be6a8807b6cd5655222faf82db2b237d"`
[INFO] [stdout] 39e5cd78434e537d1785369bb1fde102be6a8807b6cd5655222faf82db2b237d