[INFO] fetching crate batt 0.1.0...
[INFO] checking batt-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate batt 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate batt 0.1.0
[INFO] finished tweaking crates.io crate batt 0.1.0
[INFO] tweaked toml for crates.io crate batt 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate batt 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate batt 0.1.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-ranges v1.0.4
[INFO] [stderr]   Downloaded logos v0.11.1
[INFO] [stderr]   Downloaded beef v0.4.3
[INFO] [stderr]   Downloaded logos-derive v0.11.3
[INFO] [stderr]   Downloaded syn v1.0.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78dc6b4ea5a52ca9a508215585b3122488f438fa9b587c3bd3c06790f44c3137
[INFO] running `Command { std: "docker" "start" "-a" "78dc6b4ea5a52ca9a508215585b3122488f438fa9b587c3bd3c06790f44c3137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78dc6b4ea5a52ca9a508215585b3122488f438fa9b587c3bd3c06790f44c3137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78dc6b4ea5a52ca9a508215585b3122488f438fa9b587c3bd3c06790f44c3137", kill_on_drop: false }`
[INFO] [stdout] 78dc6b4ea5a52ca9a508215585b3122488f438fa9b587c3bd3c06790f44c3137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a559c2f420db91337c52e4a87219420860a70df110ccf45bd057225754dd1030
[INFO] running `Command { std: "docker" "start" "-a" "a559c2f420db91337c52e4a87219420860a70df110ccf45bd057225754dd1030", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling beef v0.4.3
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling logos-derive v0.11.3
[INFO] [stderr]     Checking logos v0.11.1
[INFO] [stderr]     Checking batt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `set_bit`, `clear_bit`, `toggle_bit`, and `clear_string` are never used
[INFO] [stdout]   --> src/bitstring_trait.rs:8:8
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub trait BitString {
[INFO] [stdout]    |           --------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 8  |     fn set_bit(&mut self, pos: usize) -> bool;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn clear_bit(&mut self, pos: usize) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn toggle_bit(&mut self, pos: usize) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn clear_string(&mut self);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_bit`, `clear_bit`, `toggle_bit`, and `clear_string` are never used
[INFO] [stdout]   --> src/bitstring_trait.rs:8:8
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub trait BitString {
[INFO] [stdout]    |           --------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 8  |     fn set_bit(&mut self, pos: usize) -> bool;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn clear_bit(&mut self, pos: usize) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn toggle_bit(&mut self, pos: usize) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn clear_string(&mut self);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.01s
[INFO] running `Command { std: "docker" "inspect" "a559c2f420db91337c52e4a87219420860a70df110ccf45bd057225754dd1030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a559c2f420db91337c52e4a87219420860a70df110ccf45bd057225754dd1030", kill_on_drop: false }`
[INFO] [stdout] a559c2f420db91337c52e4a87219420860a70df110ccf45bd057225754dd1030