[INFO] cloning repository https://github.com/meambobbo/rust-hello-pain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meambobbo/rust-hello-pain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeambobbo%2Frust-hello-pain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeambobbo%2Frust-hello-pain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74113bec917bb89d0ad52f95bd556300b5b183ca
[INFO] testing meambobbo/rust-hello-pain against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeambobbo%2Frust-hello-pain" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/meambobbo/rust-hello-pain
[INFO] finished tweaking git repo https://github.com/meambobbo/rust-hello-pain
[INFO] tweaked toml for git repo https://github.com/meambobbo/rust-hello-pain written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/meambobbo/rust-hello-pain on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/meambobbo/rust-hello-pain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e19a4135014e09c8c68b0dd2d27ed7e06a3dc2375c7e88ce7f5b8de77ba3b2a3
[INFO] running `Command { std: "docker" "start" "-a" "e19a4135014e09c8c68b0dd2d27ed7e06a3dc2375c7e88ce7f5b8de77ba3b2a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e19a4135014e09c8c68b0dd2d27ed7e06a3dc2375c7e88ce7f5b8de77ba3b2a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e19a4135014e09c8c68b0dd2d27ed7e06a3dc2375c7e88ce7f5b8de77ba3b2a3", kill_on_drop: false }`
[INFO] [stdout] e19a4135014e09c8c68b0dd2d27ed7e06a3dc2375c7e88ce7f5b8de77ba3b2a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6586f2577489cf182c2ae51b72a59890e9075ca87468793e8d06819b0791d9e7
[INFO] running `Command { std: "docker" "start" "-a" "6586f2577489cf182c2ae51b72a59890e9075ca87468793e8d06819b0791d9e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-hello-pain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Debug`
[INFO] [stdout]  --> src/main.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::{Debug, Error};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |         Ok(i) => println!("we got an ok result"),
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         Err(e) => println!("we got an err result ... pure sadness")
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `another`
[INFO] [stdout]   --> src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let another: &str = default.as_str();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_another`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyError` is never constructed
[INFO] [stdout]    --> src/main.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 | struct MyError(Error);
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `fromFloat` should have a snake case name
[INFO] [stdout]   --> src/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn fromFloat(float_val: f64) -> Result<i32, String>;
[INFO] [stdout]    |        ^^^^^^^^^ help: convert the identifier to snake case: `from_float`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "6586f2577489cf182c2ae51b72a59890e9075ca87468793e8d06819b0791d9e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6586f2577489cf182c2ae51b72a59890e9075ca87468793e8d06819b0791d9e7", kill_on_drop: false }`
[INFO] [stdout] 6586f2577489cf182c2ae51b72a59890e9075ca87468793e8d06819b0791d9e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 018545c75041f1be4081a31f670d755ff9aa7f78945e4930c8e800284882cfd1
[INFO] running `Command { std: "docker" "start" "-a" "018545c75041f1be4081a31f670d755ff9aa7f78945e4930c8e800284882cfd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-hello-pain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Debug`
[INFO] [stdout]  --> src/main.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::{Debug, Error};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |         Ok(i) => println!("we got an ok result"),
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         Err(e) => println!("we got an err result ... pure sadness")
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `another`
[INFO] [stdout]   --> src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let another: &str = default.as_str();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_another`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyError` is never constructed
[INFO] [stdout]    --> src/main.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 | struct MyError(Error);
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `fromFloat` should have a snake case name
[INFO] [stdout]   --> src/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn fromFloat(float_val: f64) -> Result<i32, String>;
[INFO] [stdout]    |        ^^^^^^^^^ help: convert the identifier to snake case: `from_float`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "018545c75041f1be4081a31f670d755ff9aa7f78945e4930c8e800284882cfd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "018545c75041f1be4081a31f670d755ff9aa7f78945e4930c8e800284882cfd1", kill_on_drop: false }`
[INFO] [stdout] 018545c75041f1be4081a31f670d755ff9aa7f78945e4930c8e800284882cfd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4237c8d27e2b59f377f7583059f3bed474dd754b2c939490ec2b323e992a4b93
[INFO] running `Command { std: "docker" "start" "-a" "4237c8d27e2b59f377f7583059f3bed474dd754b2c939490ec2b323e992a4b93", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Debug`
[INFO] [stderr]  --> src/main.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::{Debug, Error};
[INFO] [stderr]   |                ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 54 |         Ok(i) => println!("we got an ok result"),
[INFO] [stderr]    |            ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |         Err(e) => println!("we got an err result ... pure sadness")
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `another`
[INFO] [stderr]   --> src/main.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let another: &str = default.as_str();
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_another`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MyError` is never constructed
[INFO] [stderr]    --> src/main.rs:134:8
[INFO] [stderr]     |
[INFO] [stderr] 134 | struct MyError(Error);
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait method `fromFloat` should have a snake case name
[INFO] [stderr]   --> src/main.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn fromFloat(float_val: f64) -> Result<i32, String>;
[INFO] [stderr]    |        ^^^^^^^^^ help: convert the identifier to snake case: `from_float`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-hello-pain` (bin "rust-hello-pain" test) generated 6 warnings (run `cargo fix --bin "rust-hello-pain" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_hello_pain-044cdeee8c73a1b2)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4237c8d27e2b59f377f7583059f3bed474dd754b2c939490ec2b323e992a4b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4237c8d27e2b59f377f7583059f3bed474dd754b2c939490ec2b323e992a4b93", kill_on_drop: false }`
[INFO] [stdout] 4237c8d27e2b59f377f7583059f3bed474dd754b2c939490ec2b323e992a4b93