[INFO] cloning repository https://github.com/sthilaid/rust-testing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sthilaid/rust-testing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsthilaid%2Frust-testing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsthilaid%2Frust-testing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbe6a115bc4038c4439bbaa34954d0886dda4522
[INFO] testing sthilaid/rust-testing against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsthilaid%2Frust-testing" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sthilaid/rust-testing on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sthilaid/rust-testing
[INFO] finished tweaking git repo https://github.com/sthilaid/rust-testing
[INFO] tweaked toml for git repo https://github.com/sthilaid/rust-testing written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sthilaid/rust-testing 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_hc v0.3.0
[INFO] [stderr]   Downloaded rand_core v0.6.2
[INFO] [stderr]   Downloaded rand v0.8.3
[INFO] [stderr]   Downloaded libc v0.2.95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e09ab5b947502550b62c849e93527f2a1c121b53a86adc8d25701ddabea4d1fd
[INFO] running `Command { std: "docker" "start" "-a" "e09ab5b947502550b62c849e93527f2a1c121b53a86adc8d25701ddabea4d1fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e09ab5b947502550b62c849e93527f2a1c121b53a86adc8d25701ddabea4d1fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e09ab5b947502550b62c849e93527f2a1c121b53a86adc8d25701ddabea4d1fd", kill_on_drop: false }`
[INFO] [stdout] e09ab5b947502550b62c849e93527f2a1c121b53a86adc8d25701ddabea4d1fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4beee2b4e819a1630b466f1c1698656ee254a184b49520d266b5d035a6b78528
[INFO] running `Command { std: "docker" "start" "-a" "4beee2b4e819a1630b466f1c1698656ee254a184b49520d266b5d035a6b78528", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling testing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `s` and `i` are never read
[INFO] [stdout]   --> src/chapters/collections.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct TestData {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 11 |     s: String,
[INFO] [stdout]    |     ^
[INFO] [stdout] 12 |     i: u32,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 dev [unoptimized + debuginfo] target(s) in 9.74s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "4beee2b4e819a1630b466f1c1698656ee254a184b49520d266b5d035a6b78528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4beee2b4e819a1630b466f1c1698656ee254a184b49520d266b5d035a6b78528", kill_on_drop: false }`
[INFO] [stdout] 4beee2b4e819a1630b466f1c1698656ee254a184b49520d266b5d035a6b78528
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffcbc23acc0f6cfc4179ea05e5970afced368b371d741a744df01cb91b8b476f
[INFO] running `Command { std: "docker" "start" "-a" "ffcbc23acc0f6cfc4179ea05e5970afced368b371d741a744df01cb91b8b476f", kill_on_drop: false }`
[INFO] [stderr]    Compiling testing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `s` and `i` are never read
[INFO] [stdout]   --> src/chapters/collections.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct TestData {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 11 |     s: String,
[INFO] [stdout]    |     ^
[INFO] [stdout] 12 |     i: u32,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 0.74s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "ffcbc23acc0f6cfc4179ea05e5970afced368b371d741a744df01cb91b8b476f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffcbc23acc0f6cfc4179ea05e5970afced368b371d741a744df01cb91b8b476f", kill_on_drop: false }`
[INFO] [stdout] ffcbc23acc0f6cfc4179ea05e5970afced368b371d741a744df01cb91b8b476f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 35628add762b6de6adbca3c2f2bfb53a2b9235abafe1829bc9cff35db19d9425
[INFO] running `Command { std: "docker" "start" "-a" "35628add762b6de6adbca3c2f2bfb53a2b9235abafe1829bc9cff35db19d9425", kill_on_drop: false }`
[INFO] [stderr] warning: fields `s` and `i` are never read
[INFO] [stderr]   --> src/chapters/collections.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct TestData {
[INFO] [stderr]    |        -------- fields in this struct
[INFO] [stderr] 11 |     s: String,
[INFO] [stderr]    |     ^
[INFO] [stderr] 12 |     i: u32,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TestData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `testing` (bin "testing" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/testing-0b5c2659f8f98376)
[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" "35628add762b6de6adbca3c2f2bfb53a2b9235abafe1829bc9cff35db19d9425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35628add762b6de6adbca3c2f2bfb53a2b9235abafe1829bc9cff35db19d9425", kill_on_drop: false }`
[INFO] [stdout] 35628add762b6de6adbca3c2f2bfb53a2b9235abafe1829bc9cff35db19d9425