[INFO] fetching crate errer_derive 0.13.1...
[INFO] testing errer_derive-0.13.1 against 1.69.0 for beta-1.70-1
[INFO] extracting crate errer_derive 0.13.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate errer_derive 0.13.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate errer_derive 0.13.1
[INFO] finished tweaking crates.io crate errer_derive 0.13.1
[INFO] tweaked toml for crates.io crate errer_derive 0.13.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded errer v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3301e840ff4fea151bc0394c591cde7c04da4f615bc685ff0704071069a3557
[INFO] running `Command { std: "docker" "start" "-a" "a3301e840ff4fea151bc0394c591cde7c04da4f615bc685ff0704071069a3557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3301e840ff4fea151bc0394c591cde7c04da4f615bc685ff0704071069a3557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3301e840ff4fea151bc0394c591cde7c04da4f615bc685ff0704071069a3557", kill_on_drop: false }`
[INFO] [stdout] a3301e840ff4fea151bc0394c591cde7c04da4f615bc685ff0704071069a3557
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f0e76cbe28f0b25aba3bca03c95913af5a677895e7426e6a690245297b30ec5
[INFO] running `Command { std: "docker" "start" "-a" "4f0e76cbe28f0b25aba3bca03c95913af5a677895e7426e6a690245297b30ec5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling errer v0.13.0
[INFO] [stderr]    Compiling errer_derive v0.13.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:396:30
[INFO] [stdout]     |
[INFO] [stdout] 396 |                     for x in from {
[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] 396 |                     while let Some(x) = from {
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~ ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 396 |                     if let Some(x) = from {
[INFO] [stdout]     |                     ~~~~~~~~~~~~ ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "4f0e76cbe28f0b25aba3bca03c95913af5a677895e7426e6a690245297b30ec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f0e76cbe28f0b25aba3bca03c95913af5a677895e7426e6a690245297b30ec5", kill_on_drop: false }`
[INFO] [stdout] 4f0e76cbe28f0b25aba3bca03c95913af5a677895e7426e6a690245297b30ec5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfe0a9a5ed3df8c4a1a59d9de19b0b0150ae4aea8fab1b480c79441f815fa5e9
[INFO] running `Command { std: "docker" "start" "-a" "cfe0a9a5ed3df8c4a1a59d9de19b0b0150ae4aea8fab1b480c79441f815fa5e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling errer v0.13.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling errer_derive v0.13.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:396:30
[INFO] [stdout]     |
[INFO] [stdout] 396 |                     for x in from {
[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] 396 |                     while let Some(x) = from {
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~ ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 396 |                     if let Some(x) = from {
[INFO] [stdout]     |                     ~~~~~~~~~~~~ ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:396:30
[INFO] [stdout]     |
[INFO] [stdout] 396 |                     for x in from {
[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] 396 |                     while let Some(x) = from {
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~ ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 396 |                     if let Some(x) = from {
[INFO] [stdout]     |                     ~~~~~~~~~~~~ ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `from` is never read
[INFO] [stdout]   --> tests/main.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     Y {from: std::ffi::NulError}
[INFO] [stdout]    |     -  ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `Command { std: "docker" "inspect" "cfe0a9a5ed3df8c4a1a59d9de19b0b0150ae4aea8fab1b480c79441f815fa5e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfe0a9a5ed3df8c4a1a59d9de19b0b0150ae4aea8fab1b480c79441f815fa5e9", kill_on_drop: false }`
[INFO] [stdout] cfe0a9a5ed3df8c4a1a59d9de19b0b0150ae4aea8fab1b480c79441f815fa5e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22e02cdd786feb90f1e023aacf3807d69988e7108575826082a82dab4b411658
[INFO] running `Command { std: "docker" "start" "-a" "22e02cdd786feb90f1e023aacf3807d69988e7108575826082a82dab4b411658", 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/lib.rs:396:30
[INFO] [stderr]     |
[INFO] [stderr] 396 |                     for x in from {
[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] 396 |                     while let Some(x) = from {
[INFO] [stderr]     |                     ~~~~~~~~~~~~~~~ ~~~
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 396 |                     if let Some(x) = from {
[INFO] [stderr]     |                     ~~~~~~~~~~~~ ~~~
[INFO] [stderr] 
[INFO] [stderr] warning: `errer_derive` (lib) generated 1 warning
[INFO] [stderr] warning: `errer_derive` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: field `from` is never read
[INFO] [stderr]   --> tests/main.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     Y {from: std::ffi::NulError}
[INFO] [stderr]    |     -  ^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `errer_derive` (test "main") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/errer_derive-ef05973954bad225)
[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]      Running tests/main.rs (/opt/rustwide/target/debug/deps/main-ac961ecb31215d36)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test from_tests ... ok
[INFO] [stdout] test enum_display ... ok
[INFO] [stdout] test context ... ok
[INFO] [stdout] test macro_test::main_test ... ok
[INFO] [stdout] test macro_test3::main_test ... ok
[INFO] [stdout] test struct_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests errer_derive
[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" "22e02cdd786feb90f1e023aacf3807d69988e7108575826082a82dab4b411658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e02cdd786feb90f1e023aacf3807d69988e7108575826082a82dab4b411658", kill_on_drop: false }`
[INFO] [stdout] 22e02cdd786feb90f1e023aacf3807d69988e7108575826082a82dab4b411658
