[INFO] cloning repository https://github.com/4got/rust-101
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/4got/rust-101" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4got%2Frust-101", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4got%2Frust-101'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e0adce41a374b2fb91d96dd71d58734ca87d33d
[INFO] testing 4got/rust-101 against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4got%2Frust-101" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/4got/rust-101
[INFO] finished tweaking git repo https://github.com/4got/rust-101
[INFO] tweaked toml for git repo https://github.com/4got/rust-101 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/4got/rust-101 on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/4got/rust-101 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" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f107fd83a086584a5b86c75060c653a3616e44618765775f7cfce5d9fb7ecf3
[INFO] running `Command { std: "docker" "start" "-a" "2f107fd83a086584a5b86c75060c653a3616e44618765775f7cfce5d9fb7ecf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f107fd83a086584a5b86c75060c653a3616e44618765775f7cfce5d9fb7ecf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f107fd83a086584a5b86c75060c653a3616e44618765775f7cfce5d9fb7ecf3", kill_on_drop: false }`
[INFO] [stdout] 2f107fd83a086584a5b86c75060c653a3616e44618765775f7cfce5d9fb7ecf3
[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=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" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4eec1a519339812a111dbb58db3ea8fbb6fd6b035fbc14413f4e640f76ee61c
[INFO] running `Command { std: "docker" "start" "-a" "f4eec1a519339812a111dbb58db3ea8fbb6fd6b035fbc14413f4e640f76ee61c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-101 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `NumberOrNothing` is never used
[INFO] [stdout]  --> src/part02.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type NumberOrNothing = SomethingOrNothing<i32>;
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `FloatOrNothing` is never used
[INFO] [stdout]  --> src/part02.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | type FloatOrNothing = SomethingOrNothing<f32>;
[INFO] [stdout]   |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> src/part02.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl NumberOrNothing {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 23 |   pub fn print(self) {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> src/part02.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl FloatOrNothing {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 31 |   pub fn print(self) {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/part02.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_vec` is never used
[INFO] [stdout]  --> src/part03.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn read_vec() -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "f4eec1a519339812a111dbb58db3ea8fbb6fd6b035fbc14413f4e640f76ee61c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4eec1a519339812a111dbb58db3ea8fbb6fd6b035fbc14413f4e640f76ee61c", kill_on_drop: false }`
[INFO] [stdout] f4eec1a519339812a111dbb58db3ea8fbb6fd6b035fbc14413f4e640f76ee61c
[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=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" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf574e1873a40ec7d1f8b0a30f634dea9afc8f4331506a2d31f2d9f7324a7ed9
[INFO] running `Command { std: "docker" "start" "-a" "bf574e1873a40ec7d1f8b0a30f634dea9afc8f4331506a2d31f2d9f7324a7ed9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-101 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `NumberOrNothing` is never used
[INFO] [stdout]  --> src/part02.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type NumberOrNothing = SomethingOrNothing<i32>;
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `FloatOrNothing` is never used
[INFO] [stdout]  --> src/part02.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | type FloatOrNothing = SomethingOrNothing<f32>;
[INFO] [stdout]   |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> src/part02.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl NumberOrNothing {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 23 |   pub fn print(self) {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> src/part02.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl FloatOrNothing {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 31 |   pub fn print(self) {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/part02.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_vec` is never used
[INFO] [stdout]  --> src/part03.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn read_vec() -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "bf574e1873a40ec7d1f8b0a30f634dea9afc8f4331506a2d31f2d9f7324a7ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf574e1873a40ec7d1f8b0a30f634dea9afc8f4331506a2d31f2d9f7324a7ed9", kill_on_drop: false }`
[INFO] [stdout] bf574e1873a40ec7d1f8b0a30f634dea9afc8f4331506a2d31f2d9f7324a7ed9
[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=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" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5e7b6cca485323fa1b2e182a099ef1e5abb7434b647dfd414a3ac17e0845a5f
[INFO] running `Command { std: "docker" "start" "-a" "e5e7b6cca485323fa1b2e182a099ef1e5abb7434b647dfd414a3ac17e0845a5f", kill_on_drop: false }`
[INFO] [stderr] warning: type alias `NumberOrNothing` is never used
[INFO] [stderr]  --> src/part02.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 | type NumberOrNothing = SomethingOrNothing<i32>;
[INFO] [stderr]   |      ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `FloatOrNothing` is never used
[INFO] [stderr]  --> src/part02.rs:8:6
[INFO] [stderr]   |
[INFO] [stderr] 8 | type FloatOrNothing = SomethingOrNothing<f32>;
[INFO] [stderr]   |      ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `print` is never used
[INFO] [stderr]   --> src/part02.rs:23:10
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl NumberOrNothing {
[INFO] [stderr]    | -------------------- method in this implementation
[INFO] [stderr] 23 |   pub fn print(self) {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `print` is never used
[INFO] [stderr]   --> src/part02.rs:31:10
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl FloatOrNothing {
[INFO] [stderr]    | ------------------- method in this implementation
[INFO] [stderr] 31 |   pub fn print(self) {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/part02.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 | pub fn main() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_vec` is never used
[INFO] [stderr]  --> src/part03.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn read_vec() -> Vec<i32> {
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-101` (bin "rust-101" test) generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_101-7c3eee1d9a7ef4da)
[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" "e5e7b6cca485323fa1b2e182a099ef1e5abb7434b647dfd414a3ac17e0845a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5e7b6cca485323fa1b2e182a099ef1e5abb7434b647dfd414a3ac17e0845a5f", kill_on_drop: false }`
[INFO] [stdout] e5e7b6cca485323fa1b2e182a099ef1e5abb7434b647dfd414a3ac17e0845a5f
