[INFO] cloning repository https://github.com/youngday/easy_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/youngday/easy_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoungday%2Feasy_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoungday%2Feasy_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a90b81e8df86e42bea2b46995041f9fbfba8dae0
[INFO] testing youngday/easy_example against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoungday%2Feasy_example" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/youngday/easy_example
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/youngday/easy_example
[INFO] tweaked toml for git repo https://github.com/youngday/easy_example written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/youngday/easy_example on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/youngday/easy_example 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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c35eb95c379e98f986661dd5f1cba279da814139870fe28aa60f39f1db6f87e9
[INFO] running `Command { std: "docker" "start" "-a" "c35eb95c379e98f986661dd5f1cba279da814139870fe28aa60f39f1db6f87e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c35eb95c379e98f986661dd5f1cba279da814139870fe28aa60f39f1db6f87e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c35eb95c379e98f986661dd5f1cba279da814139870fe28aa60f39f1db6f87e9", kill_on_drop: false }`
[INFO] [stdout] c35eb95c379e98f986661dd5f1cba279da814139870fe28aa60f39f1db6f87e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f3f79d0afa29dfee8e78693f581f15f171830ec9207b15edfb26aa609827277
[INFO] running `Command { std: "docker" "start" "-a" "7f3f79d0afa29dfee8e78693f581f15f171830ec9207b15edfb26aa609827277", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "7f3f79d0afa29dfee8e78693f581f15f171830ec9207b15edfb26aa609827277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f3f79d0afa29dfee8e78693f581f15f171830ec9207b15edfb26aa609827277", kill_on_drop: false }`
[INFO] [stdout] 7f3f79d0afa29dfee8e78693f581f15f171830ec9207b15edfb26aa609827277
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c27c6aca03381b6a369b1941bd05d97b1216d8df31e959cbdca5d6cd42eea749
[INFO] running `Command { std: "docker" "start" "-a" "c27c6aca03381b6a369b1941bd05d97b1216d8df31e959cbdca5d6cd42eea749", kill_on_drop: false }`
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling quinn v0.11.9
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[INFO] [stdout] warning: struct `Application` is never constructed
[INFO] [stdout]   --> examples/tcp_client.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Application {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> examples/tcp_client.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Data {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data2` is never constructed
[INFO] [stdout]   --> examples/tcp_client.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Data2 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Application` is never constructed
[INFO] [stdout]  --> examples/post.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Application {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> examples/post.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Data {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data2` is never constructed
[INFO] [stdout]   --> examples/post.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Data2 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `error`, `trace`, and `warn`
[INFO] [stdout]  --> examples/zeromq_tmq/subscriber.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{debug, error, info, trace, warn};
[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 import: `std::env`
[INFO] [stdout]  --> examples/load_csv.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::env;
[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 imports: `debug`, `error`, `info`, `trace`, and `warn`
[INFO] [stdout]  --> examples/load_csv.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use log::{debug, error, info, trace, warn};
[INFO] [stdout]   |           ^^^^^  ^^^^^  ^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `date`
[INFO] [stdout]   --> examples/load_csv.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let date: Vec<String> = data.iter().map(|d| d.date.clone()).collect();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_date`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Application` is never constructed
[INFO] [stdout]   --> examples/tcp_server.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Application {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> examples/tcp_server.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Data {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data2` is never constructed
[INFO] [stdout]   --> examples/tcp_server.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Data2 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 52.50s
[INFO] running `Command { std: "docker" "inspect" "c27c6aca03381b6a369b1941bd05d97b1216d8df31e959cbdca5d6cd42eea749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c27c6aca03381b6a369b1941bd05d97b1216d8df31e959cbdca5d6cd42eea749", kill_on_drop: false }`
[INFO] [stdout] c27c6aca03381b6a369b1941bd05d97b1216d8df31e959cbdca5d6cd42eea749
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db8bec642dba0fcf3239d0375aa7855de58a8703b00bd509e4f9f5ec5eb5f442
[INFO] running `Command { std: "docker" "start" "-a" "db8bec642dba0fcf3239d0375aa7855de58a8703b00bd509e4f9f5ec5eb5f442", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> examples/load_csv.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `debug`, `error`, `info`, `trace`, and `warn`
[INFO] [stderr]  --> examples/load_csv.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | use log::{debug, error, info, trace, warn};
[INFO] [stderr]   |           ^^^^^  ^^^^^  ^^^^  ^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `date`
[INFO] [stderr]   --> examples/load_csv.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let date: Vec<String> = data.iter().map(|d| d.date.clone()).collect();
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_date`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `easy_example` (example "load_csv") generated 3 warnings (run `cargo fix --example "load_csv" -p easy_example` to apply 3 suggestions)
[INFO] [stderr] warning: struct `Application` is never constructed
[INFO] [stderr]  --> examples/post.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Application {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Data` is never constructed
[INFO] [stderr]   --> examples/post.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Data {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Data2` is never constructed
[INFO] [stderr]   --> examples/post.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | struct Data2 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Application` is never constructed
[INFO] [stderr]   --> examples/tcp_server.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct Application {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Data` is never constructed
[INFO] [stderr]   --> examples/tcp_server.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | struct Data {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Data2` is never constructed
[INFO] [stderr]   --> examples/tcp_server.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | struct Data2 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `easy_example` (example "post") generated 3 warnings
[INFO] [stderr] warning: `easy_example` (example "tcp_server") generated 3 warnings
[INFO] [stderr] warning: unused imports: `debug`, `error`, `trace`, and `warn`
[INFO] [stderr]  --> examples/zeromq_tmq/subscriber.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use log::{debug, error, info, trace, warn};
[INFO] [stderr]   |           ^^^^^  ^^^^^        ^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Application` is never constructed
[INFO] [stderr]   --> examples/tcp_client.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct Application {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Data` is never constructed
[INFO] [stderr]   --> examples/tcp_client.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct Data {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Data2` is never constructed
[INFO] [stderr]   --> examples/tcp_client.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct Data2 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `easy_example` (example "zmq_sub") generated 1 warning (run `cargo fix --example "zmq_sub" -p easy_example` to apply 1 suggestion)
[INFO] [stderr] warning: `easy_example` (example "tcp_client") generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/easy_example-9202d39d03729553)
[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]    Doc-tests easy_example
[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" "db8bec642dba0fcf3239d0375aa7855de58a8703b00bd509e4f9f5ec5eb5f442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db8bec642dba0fcf3239d0375aa7855de58a8703b00bd509e4f9f5ec5eb5f442", kill_on_drop: false }`
[INFO] [stdout] db8bec642dba0fcf3239d0375aa7855de58a8703b00bd509e4f9f5ec5eb5f442