[INFO] fetching crate cargo-todo 0.2.0...
[INFO] checking cargo-todo-0.2.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate cargo-todo 0.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate cargo-todo 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-todo 0.2.0
[INFO] finished tweaking crates.io crate cargo-todo 0.2.0
[INFO] tweaked toml for crates.io crate cargo-todo 0.2.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate cargo-todo 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f2714d7a37ef346ea9ee2ac183075965e6e7b29ee0c890706f94f149f1bad6b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3f2714d7a37ef346ea9ee2ac183075965e6e7b29ee0c890706f94f149f1bad6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f2714d7a37ef346ea9ee2ac183075965e6e7b29ee0c890706f94f149f1bad6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f2714d7a37ef346ea9ee2ac183075965e6e7b29ee0c890706f94f149f1bad6b", kill_on_drop: false }`
[INFO] [stdout] 3f2714d7a37ef346ea9ee2ac183075965e6e7b29ee0c890706f94f149f1bad6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6e354e8a2df4557b4ae73a124b3028a098c55d7f5ca98098eeebef2b0946b28c
[INFO] running `Command { std: "docker" "start" "-a" "6e354e8a2df4557b4ae73a124b3028a098c55d7f5ca98098eeebef2b0946b28c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking string_format v0.1.0
[INFO] [stderr]     Checking string-parser v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking cargo-todo v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:246:25
[INFO] [stdout]     |
[INFO] [stdout] 246 |                         &new_tokens.push(i.clone());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:264:25
[INFO] [stdout]     |
[INFO] [stdout] 264 |                         &new_tokens.push(i.clone());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:278:25
[INFO] [stdout]     |
[INFO] [stdout] 278 |                         &new_tokens.push(i.clone());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:296:25
[INFO] [stdout]     |
[INFO] [stdout] 296 |                         &new_tokens.push(i.clone());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:246:25
[INFO] [stdout]     |
[INFO] [stdout] 246 |                         &new_tokens.push(i.clone());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:264:25
[INFO] [stdout]     |
[INFO] [stdout] 264 |                         &new_tokens.push(i.clone());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:278:25
[INFO] [stdout]     |
[INFO] [stdout] 278 |                         &new_tokens.push(i.clone());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:296:25
[INFO] [stdout]     |
[INFO] [stdout] 296 |                         &new_tokens.push(i.clone());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.89s
[INFO] running `Command { std: "docker" "inspect" "6e354e8a2df4557b4ae73a124b3028a098c55d7f5ca98098eeebef2b0946b28c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e354e8a2df4557b4ae73a124b3028a098c55d7f5ca98098eeebef2b0946b28c", kill_on_drop: false }`
[INFO] [stdout] 6e354e8a2df4557b4ae73a124b3028a098c55d7f5ca98098eeebef2b0946b28c
