[INFO] fetching crate kalgan_i18n 0.9.1...
[INFO] testing kalgan_i18n-0.9.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate kalgan_i18n 0.9.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate kalgan_i18n 0.9.1
[INFO] finished tweaking crates.io crate kalgan_i18n 0.9.1
[INFO] tweaked toml for crates.io crate kalgan_i18n 0.9.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kalgan_i18n 0.9.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yaml-rust v0.4.5
[INFO] [stderr]   Downloaded serde_yaml v0.8.26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e1c1de7e5a73156be7654d29fef0b6c1fe334bf90c6198d4a99b26eea982edc
[INFO] running `Command { std: "docker" "start" "-a" "9e1c1de7e5a73156be7654d29fef0b6c1fe334bf90c6198d4a99b26eea982edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e1c1de7e5a73156be7654d29fef0b6c1fe334bf90c6198d4a99b26eea982edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e1c1de7e5a73156be7654d29fef0b6c1fe334bf90c6198d4a99b26eea982edc", kill_on_drop: false }`
[INFO] [stdout] 9e1c1de7e5a73156be7654d29fef0b6c1fe334bf90c6198d4a99b26eea982edc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5de9543c61fd4e35605dcc1704bfc583f5fb3be29fcd568ec25f2631678b55ef
[INFO] running `Command { std: "docker" "start" "-a" "5de9543c61fd4e35605dcc1704bfc583f5fb3be29fcd568ec25f2631678b55ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]    Compiling kalgan_i18n 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/messages.rs:100:20
[INFO] [stdout]     |
[INFO] [stdout] 100 |     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] 100 -     for element in map.as_mapping() {
[INFO] [stdout] 100 +     while let Some(element) = map.as_mapping() {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 100 -     for element in map.as_mapping() {
[INFO] [stdout] 100 +     if let Some(element) = map.as_mapping() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.18s
[INFO] running `Command { std: "docker" "inspect" "5de9543c61fd4e35605dcc1704bfc583f5fb3be29fcd568ec25f2631678b55ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5de9543c61fd4e35605dcc1704bfc583f5fb3be29fcd568ec25f2631678b55ef", kill_on_drop: false }`
[INFO] [stdout] 5de9543c61fd4e35605dcc1704bfc583f5fb3be29fcd568ec25f2631678b55ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8eeb0eca3611f379df87157d9d629e9981b6bcb2e8d0089bea40795d306614dc
[INFO] running `Command { std: "docker" "start" "-a" "8eeb0eca3611f379df87157d9d629e9981b6bcb2e8d0089bea40795d306614dc", 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/messages.rs:100:20
[INFO] [stdout]     |
[INFO] [stdout] 100 |     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] 100 -     for element in map.as_mapping() {
[INFO] [stdout] 100 +     while let Some(element) = map.as_mapping() {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 100 -     for element in map.as_mapping() {
[INFO] [stdout] 100 +     if let Some(element) = map.as_mapping() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling kalgan_i18n 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/messages.rs:100:20
[INFO] [stdout]     |
[INFO] [stdout] 100 |     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] 100 -     for element in map.as_mapping() {
[INFO] [stdout] 100 +     while let Some(element) = map.as_mapping() {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 100 -     for element in map.as_mapping() {
[INFO] [stdout] 100 +     if let Some(element) = map.as_mapping() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "8eeb0eca3611f379df87157d9d629e9981b6bcb2e8d0089bea40795d306614dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eeb0eca3611f379df87157d9d629e9981b6bcb2e8d0089bea40795d306614dc", kill_on_drop: false }`
[INFO] [stdout] 8eeb0eca3611f379df87157d9d629e9981b6bcb2e8d0089bea40795d306614dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e63fa98d4aab7f27adabf05f8d8eadee91227ffce0974a7bf813ae166ec3c735
[INFO] running `Command { std: "docker" "start" "-a" "e63fa98d4aab7f27adabf05f8d8eadee91227ffce0974a7bf813ae166ec3c735", kill_on_drop: false }`
[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] [stderr] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stderr]    --> src/messages.rs:100:20
[INFO] [stderr]     |
[INFO] [stderr] 100 |     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] 100 -     for element in map.as_mapping() {
[INFO] [stderr] 100 +     while let Some(element) = map.as_mapping() {
[INFO] [stderr]     |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 100 -     for element in map.as_mapping() {
[INFO] [stderr] 100 +     if let Some(element) = map.as_mapping() {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `kalgan_i18n` (lib) generated 1 warning
[INFO] [stderr] warning: `kalgan_i18n` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kalgan_i18n-200f628239b8780e)
[INFO] [stderr]    Doc-tests kalgan_i18n
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Messages::new (line 24) ... ok
[INFO] [stdout] test src/lib.rs - Messages::trans (line 41) ... ok
[INFO] [stdout] test src/lib.rs - Messages::trans (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e63fa98d4aab7f27adabf05f8d8eadee91227ffce0974a7bf813ae166ec3c735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e63fa98d4aab7f27adabf05f8d8eadee91227ffce0974a7bf813ae166ec3c735", kill_on_drop: false }`
[INFO] [stdout] e63fa98d4aab7f27adabf05f8d8eadee91227ffce0974a7bf813ae166ec3c735
