[INFO] cloning repository https://github.com/gamble33/todo-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gamble33/todo-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamble33%2Ftodo-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamble33%2Ftodo-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e147db661ab525cce9425a4dbe0feafb201abf69
[INFO] testing gamble33/todo-rs against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamble33%2Ftodo-rs" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gamble33/todo-rs on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gamble33/todo-rs
[INFO] finished tweaking git repo https://github.com/gamble33/todo-rs
[INFO] tweaked toml for git repo https://github.com/gamble33/todo-rs written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/gamble33/todo-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f7615a51e5fd361d0150587e2cbc8d56325ea115dabdc2da42f8a576b65f219
[INFO] running `Command { std: "docker" "start" "-a" "9f7615a51e5fd361d0150587e2cbc8d56325ea115dabdc2da42f8a576b65f219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f7615a51e5fd361d0150587e2cbc8d56325ea115dabdc2da42f8a576b65f219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f7615a51e5fd361d0150587e2cbc8d56325ea115dabdc2da42f8a576b65f219", kill_on_drop: false }`
[INFO] [stdout] 9f7615a51e5fd361d0150587e2cbc8d56325ea115dabdc2da42f8a576b65f219
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d2bfa92497467b06e4fa835dd7bc204b2c93e122c609e3c3e39b5ddb48cde5f
[INFO] running `Command { std: "docker" "start" "-a" "1d2bfa92497467b06e4fa835dd7bc204b2c93e122c609e3c3e39b5ddb48cde5f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling todo-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/lib.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn read_todos<'a>(path: &str) -> Vec<Todo<'a>> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     std::fs::write(path, f_text.as_str());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     for i in 0..todo_count {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 6.40s
[INFO] running `Command { std: "docker" "inspect" "1d2bfa92497467b06e4fa835dd7bc204b2c93e122c609e3c3e39b5ddb48cde5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d2bfa92497467b06e4fa835dd7bc204b2c93e122c609e3c3e39b5ddb48cde5f", kill_on_drop: false }`
[INFO] [stdout] 1d2bfa92497467b06e4fa835dd7bc204b2c93e122c609e3c3e39b5ddb48cde5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 780c7c779e66c4c8496ad0dd20712ba22bdf9616f692c45a1bb6d58706cb01d6
[INFO] running `Command { std: "docker" "start" "-a" "780c7c779e66c4c8496ad0dd20712ba22bdf9616f692c45a1bb6d58706cb01d6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling todo-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/lib.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn read_todos<'a>(path: &str) -> Vec<Todo<'a>> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     std::fs::write(path, f_text.as_str());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     for i in 0..todo_count {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/lib.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn read_todos<'a>(path: &str) -> Vec<Todo<'a>> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     std::fs::write(path, f_text.as_str());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 26.02s
[INFO] running `Command { std: "docker" "inspect" "780c7c779e66c4c8496ad0dd20712ba22bdf9616f692c45a1bb6d58706cb01d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "780c7c779e66c4c8496ad0dd20712ba22bdf9616f692c45a1bb6d58706cb01d6", kill_on_drop: false }`
[INFO] [stdout] 780c7c779e66c4c8496ad0dd20712ba22bdf9616f692c45a1bb6d58706cb01d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 71c37cf2236390671dadeaa315f3ec5d08724edd3a155e78eb86748298b449c6
[INFO] running `Command { std: "docker" "start" "-a" "71c37cf2236390671dadeaa315f3ec5d08724edd3a155e78eb86748298b449c6", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/lib.rs:22:23
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn read_todos<'a>(path: &str) -> Vec<Todo<'a>> {
[INFO] [stderr]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     std::fs::write(path, f_text.as_str());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `todo-rs` (lib) generated 3 warnings
[INFO] [stderr] warning: `todo-rs` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     for i in 0..todo_count {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `todo-rs` (bin "todo-rs" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/todo_rs-25fef9bbc467ed40)
[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 unittests (/opt/rustwide/target/debug/deps/todo_rs-6919da8857f05d30)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests todo-rs
[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] [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" "71c37cf2236390671dadeaa315f3ec5d08724edd3a155e78eb86748298b449c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c37cf2236390671dadeaa315f3ec5d08724edd3a155e78eb86748298b449c6", kill_on_drop: false }`
[INFO] [stdout] 71c37cf2236390671dadeaa315f3ec5d08724edd3a155e78eb86748298b449c6