[INFO] cloning repository https://github.com/Mirabellensaft/pH_calculator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mirabellensaft/pH_calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMirabellensaft%2FpH_calculator"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMirabellensaft%2FpH_calculator'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f004ae78603f35a47e6ae7a8fee873b83686018
[INFO] testing Mirabellensaft/pH_calculator against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMirabellensaft%2FpH_calculator" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mirabellensaft/pH_calculator on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Mirabellensaft/pH_calculator
[INFO] finished tweaking git repo https://github.com/Mirabellensaft/pH_calculator
[INFO] tweaked toml for git repo https://github.com/Mirabellensaft/pH_calculator written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Mirabellensaft/pH_calculator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 509b168e39a3e414f8c34417081cbad1a9f667fd25ab2f1523bb856002b2879b
[INFO] running `"docker" "start" "-a" "509b168e39a3e414f8c34417081cbad1a9f667fd25ab2f1523bb856002b2879b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling pH_calculator v0.1.0 (/opt/rustwide/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:87:96
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn pH_strong(conc_ions_titrant: f32, vol_analyte: f32, vol_titrant: f32, valence_titrant: f32, name_titrant: &str) -> f32 {
[INFO] [stderr]    |                                                                                                ^^^^^^^^^^^^ help: if this is intentional, prefix it 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:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let pH_analyte = pH_strong(properties_titrant.concentration, 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:87:4
[INFO] [stderr]    |
[INFO] [stderr] 87 | 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:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |         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:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |         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:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |         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:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |         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:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let pOH_analyte = potentia(conc_OH);
[INFO] [stderr]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `p_oh_analyte`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "509b168e39a3e414f8c34417081cbad1a9f667fd25ab2f1523bb856002b2879b"`
[INFO] running `"docker" "rm" "-f" "509b168e39a3e414f8c34417081cbad1a9f667fd25ab2f1523bb856002b2879b"`
[INFO] [stdout] 509b168e39a3e414f8c34417081cbad1a9f667fd25ab2f1523bb856002b2879b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] c53ac3196e7c87d2990f93a689221214e2e8723f76f27d7b70725fb67a28387a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c53ac3196e7c87d2990f93a689221214e2e8723f76f27d7b70725fb67a28387a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling pH_calculator v0.1.0 (/opt/rustwide/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:87:96
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn pH_strong(conc_ions_titrant: f32, vol_analyte: f32, vol_titrant: f32, valence_titrant: f32, name_titrant: &str) -> f32 {
[INFO] [stderr]    |                                                                                                ^^^^^^^^^^^^ help: if this is intentional, prefix it 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:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let pH_analyte = pH_strong(properties_titrant.concentration, 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:87:4
[INFO] [stderr]    |
[INFO] [stderr] 87 | 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:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |         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:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |         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:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |         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:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |         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:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let pOH_analyte = potentia(conc_OH);
[INFO] [stderr]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `p_oh_analyte`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "c53ac3196e7c87d2990f93a689221214e2e8723f76f27d7b70725fb67a28387a"`
[INFO] running `"docker" "rm" "-f" "c53ac3196e7c87d2990f93a689221214e2e8723f76f27d7b70725fb67a28387a"`
[INFO] [stdout] c53ac3196e7c87d2990f93a689221214e2e8723f76f27d7b70725fb67a28387a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d9de77eab9336237e167304dec3f2584189376fe70cb61f9c88f163303845a8f
[INFO] running `"docker" "start" "-a" "d9de77eab9336237e167304dec3f2584189376fe70cb61f9c88f163303845a8f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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:87:96
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn pH_strong(conc_ions_titrant: f32, vol_analyte: f32, vol_titrant: f32, valence_titrant: f32, name_titrant: &str) -> f32 {
[INFO] [stderr]    |                                                                                                ^^^^^^^^^^^^ help: if this is intentional, prefix it 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:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let pH_analyte = pH_strong(properties_titrant.concentration, 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:87:4
[INFO] [stderr]    |
[INFO] [stderr] 87 | 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:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |         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:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |         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:94:13
[INFO] [stderr]    |
[INFO] [stderr] 94 |         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:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |         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:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let pOH_analyte = potentia(conc_OH);
[INFO] [stderr]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `p_oh_analyte`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pH_calculator-02a9261f72750809
[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" "d9de77eab9336237e167304dec3f2584189376fe70cb61f9c88f163303845a8f"`
[INFO] running `"docker" "rm" "-f" "d9de77eab9336237e167304dec3f2584189376fe70cb61f9c88f163303845a8f"`
[INFO] [stdout] d9de77eab9336237e167304dec3f2584189376fe70cb61f9c88f163303845a8f