[INFO] fetching crate geticons 1.2.2...
[INFO] testing geticons-1.2.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate geticons 1.2.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate geticons 1.2.2
[INFO] finished tweaking crates.io crate geticons 1.2.2
[INFO] tweaked toml for crates.io crate geticons 1.2.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate geticons 1.2.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate geticons 1.2.2 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1147d53675e7d4a45d475340a138a7cc0d63d222aca6c024db48ab2497adcbd0
[INFO] running `Command { std: "docker" "start" "-a" "1147d53675e7d4a45d475340a138a7cc0d63d222aca6c024db48ab2497adcbd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1147d53675e7d4a45d475340a138a7cc0d63d222aca6c024db48ab2497adcbd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1147d53675e7d4a45d475340a138a7cc0d63d222aca6c024db48ab2497adcbd0", kill_on_drop: false }`
[INFO] [stdout] 1147d53675e7d4a45d475340a138a7cc0d63d222aca6c024db48ab2497adcbd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f9139f05d868ecfc35e8f862d7cac23945371e5735af80e89fcb665001edc17
[INFO] running `Command { std: "docker" "start" "-a" "3f9139f05d868ecfc35e8f862d7cac23945371e5735af80e89fcb665001edc17", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.42
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling argh_shared v0.1.8
[INFO] [stderr]    Compiling encode_unicode v1.0.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling memmap2 v0.5.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling prettytable-rs v0.9.0
[INFO] [stderr]    Compiling dlv-list v0.2.3
[INFO] [stderr]    Compiling ordered-multimap v0.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling argh_derive v0.1.8
[INFO] [stderr]    Compiling rust-ini v0.17.0
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling freedesktop_entry_parser v1.3.0
[INFO] [stderr]    Compiling linicon-theme v1.2.0
[INFO] [stderr]    Compiling argh v0.1.8
[INFO] [stderr]    Compiling file-locker v1.1.1
[INFO] [stderr]    Compiling linicon v2.3.0
[INFO] [stderr]    Compiling geticons v1.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/main.rs:93:22
[INFO] [stdout]    |
[INFO] [stdout] 93 |         for error in errors {
[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] 93 -         for error in errors {
[INFO] [stdout] 93 +         while let Some(error) = errors {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 93 -         for error in errors {
[INFO] [stdout] 93 +         if let Some(error) = errors {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.78s
[INFO] running `Command { std: "docker" "inspect" "3f9139f05d868ecfc35e8f862d7cac23945371e5735af80e89fcb665001edc17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f9139f05d868ecfc35e8f862d7cac23945371e5735af80e89fcb665001edc17", kill_on_drop: false }`
[INFO] [stdout] 3f9139f05d868ecfc35e8f862d7cac23945371e5735af80e89fcb665001edc17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bb211b432b7c577a0d0b16d0ff2b518ed391f48613ea83b5b9ff9b6f37176cc
[INFO] running `Command { std: "docker" "start" "-a" "7bb211b432b7c577a0d0b16d0ff2b518ed391f48613ea83b5b9ff9b6f37176cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling geticons v1.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/main.rs:93:22
[INFO] [stdout]    |
[INFO] [stdout] 93 |         for error in errors {
[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] 93 -         for error in errors {
[INFO] [stdout] 93 +         while let Some(error) = errors {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 93 -         for error in errors {
[INFO] [stdout] 93 +         if let Some(error) = errors {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "7bb211b432b7c577a0d0b16d0ff2b518ed391f48613ea83b5b9ff9b6f37176cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bb211b432b7c577a0d0b16d0ff2b518ed391f48613ea83b5b9ff9b6f37176cc", kill_on_drop: false }`
[INFO] [stdout] 7bb211b432b7c577a0d0b16d0ff2b518ed391f48613ea83b5b9ff9b6f37176cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bcfa616091ceac642c0f99ebf31e1864f2755f53778be772994695d6882727f6
[INFO] running `Command { std: "docker" "start" "-a" "bcfa616091ceac642c0f99ebf31e1864f2755f53778be772994695d6882727f6", kill_on_drop: false }`
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]   --> src/main.rs:93:22
[INFO] [stderr]    |
[INFO] [stderr] 93 |         for error in errors {
[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] 93 -         for error in errors {
[INFO] [stderr] 93 +         while let Some(error) = errors {
[INFO] [stderr]    |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]    |
[INFO] [stderr] 93 -         for error in errors {
[INFO] [stderr] 93 +         if let Some(error) = errors {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `geticons` (bin "geticons" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/geticons-c390208d11344e8a)
[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" "bcfa616091ceac642c0f99ebf31e1864f2755f53778be772994695d6882727f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcfa616091ceac642c0f99ebf31e1864f2755f53778be772994695d6882727f6", kill_on_drop: false }`
[INFO] [stdout] bcfa616091ceac642c0f99ebf31e1864f2755f53778be772994695d6882727f6