[INFO] fetching crate kalgan_config 0.9.1...
[INFO] testing kalgan_config-0.9.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate kalgan_config 0.9.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate kalgan_config 0.9.1
[INFO] finished tweaking crates.io crate kalgan_config 0.9.1
[INFO] tweaked toml for crates.io crate kalgan_config 0.9.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kalgan_config 0.9.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 371c92afcbbc48b5b526cbae8ce6465529ff8f221acb1444e77cb370507270aa
[INFO] running `Command { std: "docker" "start" "-a" "371c92afcbbc48b5b526cbae8ce6465529ff8f221acb1444e77cb370507270aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "371c92afcbbc48b5b526cbae8ce6465529ff8f221acb1444e77cb370507270aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371c92afcbbc48b5b526cbae8ce6465529ff8f221acb1444e77cb370507270aa", kill_on_drop: false }`
[INFO] [stdout] 371c92afcbbc48b5b526cbae8ce6465529ff8f221acb1444e77cb370507270aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f53087f23be110bb0319fa37cbad21ee01a4e8e179b50e37405c1317befa8bf
[INFO] running `Command { std: "docker" "start" "-a" "7f53087f23be110bb0319fa37cbad21ee01a4e8e179b50e37405c1317befa8bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]    Compiling kalgan_config v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/parameters.rs:77:20
[INFO] [stdout]    |
[INFO] [stdout] 77 |     for element in map.as_mapping() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 77 -     for element in map.as_mapping() {
[INFO] [stdout] 77 +     while let Some(element) = map.as_mapping() {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 77 -     for element in map.as_mapping() {
[INFO] [stdout] 77 +     if let Some(element) = map.as_mapping() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "7f53087f23be110bb0319fa37cbad21ee01a4e8e179b50e37405c1317befa8bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f53087f23be110bb0319fa37cbad21ee01a4e8e179b50e37405c1317befa8bf", kill_on_drop: false }`
[INFO] [stdout] 7f53087f23be110bb0319fa37cbad21ee01a4e8e179b50e37405c1317befa8bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35a8c3801e960c78be4b3c04560e9ca1f254dd2ef307551be71a1f708230a514
[INFO] running `Command { std: "docker" "start" "-a" "35a8c3801e960c78be4b3c04560e9ca1f254dd2ef307551be71a1f708230a514", kill_on_drop: false }`
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/parameters.rs:77:20
[INFO] [stdout]    |
[INFO] [stdout] 77 |     for element in map.as_mapping() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 77 -     for element in map.as_mapping() {
[INFO] [stdout] 77 +     while let Some(element) = map.as_mapping() {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 77 -     for element in map.as_mapping() {
[INFO] [stdout] 77 +     if let Some(element) = map.as_mapping() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling kalgan_config v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/parameters.rs:77:20
[INFO] [stdout]    |
[INFO] [stdout] 77 |     for element in map.as_mapping() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 77 -     for element in map.as_mapping() {
[INFO] [stdout] 77 +     while let Some(element) = map.as_mapping() {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 77 -     for element in map.as_mapping() {
[INFO] [stdout] 77 +     if let Some(element) = map.as_mapping() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "35a8c3801e960c78be4b3c04560e9ca1f254dd2ef307551be71a1f708230a514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35a8c3801e960c78be4b3c04560e9ca1f254dd2ef307551be71a1f708230a514", kill_on_drop: false }`
[INFO] [stdout] 35a8c3801e960c78be4b3c04560e9ca1f254dd2ef307551be71a1f708230a514
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e4e89464bd7ff6f308a3638b472e0a2202ff1c2c26220b3afede0d0dbb907eae
[INFO] running `Command { std: "docker" "start" "-a" "e4e89464bd7ff6f308a3638b472e0a2202ff1c2c26220b3afede0d0dbb907eae", kill_on_drop: false }`
[INFO] [stderr] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stderr]   --> src/parameters.rs:77:20
[INFO] [stderr]    |
[INFO] [stderr] 77 |     for element in map.as_mapping() {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]    |
[INFO] [stderr] 77 -     for element in map.as_mapping() {
[INFO] [stderr] 77 +     while let Some(element) = map.as_mapping() {
[INFO] [stderr]    |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]    |
[INFO] [stderr] 77 -     for element in map.as_mapping() {
[INFO] [stderr] 77 +     if let Some(element) = map.as_mapping() {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `kalgan_config` (lib) generated 1 warning
[INFO] [stdout] 
[INFO] [stderr] warning: `kalgan_config` (lib test) generated 1 warning (1 duplicate)
[INFO] [stdout] running 0 tests
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kalgan_config-61515b5d084f5de2)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests kalgan_config
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - Config::get (line 40) ... ok
[INFO] [stdout] test src/lib.rs - Config::get_float (line 93) ... ok
[INFO] [stdout] test src/lib.rs - Config::new (line 30) ... ok
[INFO] [stdout] test src/lib.rs - Config::get_string (line 54) ... ok
[INFO] [stdout] test src/lib.rs - Config::get_number (line 80) ... ok
[INFO] [stdout] test src/lib.rs - Config::get_bool (line 67) ... ok
[INFO] [stdout] test src/lib.rs - Config::get_vec (line 106) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.87s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e4e89464bd7ff6f308a3638b472e0a2202ff1c2c26220b3afede0d0dbb907eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e89464bd7ff6f308a3638b472e0a2202ff1c2c26220b3afede0d0dbb907eae", kill_on_drop: false }`
[INFO] [stdout] e4e89464bd7ff6f308a3638b472e0a2202ff1c2c26220b3afede0d0dbb907eae