[INFO] fetching crate bitstr 0.1.2...
[INFO] checking bitstr-0.1.2 against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate bitstr 0.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate bitstr 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate bitstr 0.1.2
[INFO] tweaked toml for crates.io crate bitstr 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bitstr 0.1.2 on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bitstr 0.1.2 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" "+82310651b93a594a3fd69015e1562186a080d94c" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d2c1dbfd43c855e1c3bc2982db9e6bd0df21d6fa2e0c064f0f03d26823d29ef
[INFO] running `Command { std: "docker" "start" "-a" "4d2c1dbfd43c855e1c3bc2982db9e6bd0df21d6fa2e0c064f0f03d26823d29ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d2c1dbfd43c855e1c3bc2982db9e6bd0df21d6fa2e0c064f0f03d26823d29ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d2c1dbfd43c855e1c3bc2982db9e6bd0df21d6fa2e0c064f0f03d26823d29ef", kill_on_drop: false }`
[INFO] [stdout] 4d2c1dbfd43c855e1c3bc2982db9e6bd0df21d6fa2e0c064f0f03d26823d29ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaf4a1414e549c8fec19519aa84e0b44d50d5addc4031628479c85699fd02778
[INFO] running `Command { std: "docker" "start" "-a" "aaf4a1414e549c8fec19519aa84e0b44d50d5addc4031628479c85699fd02778", kill_on_drop: false }`
[INFO] [stderr]     Checking bitstr v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:119:18
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn bytes(&self) -> std::iter::Cloned<std::slice::Iter<u8>> {
[INFO] [stdout]     |                  ^^^^^                       -------------------- the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn bytes(&self) -> std::iter::Cloned<std::slice::Iter<'_, u8>> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:124:22
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn bytes_mut(&mut self) -> std::slice::IterMut<u8> {
[INFO] [stdout]     |                      ^^^^^^^^^     ----------------------- the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn bytes_mut(&mut self) -> std::slice::IterMut<'_, u8> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:119:18
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn bytes(&self) -> std::iter::Cloned<std::slice::Iter<u8>> {
[INFO] [stdout]     |                  ^^^^^                       -------------------- the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn bytes(&self) -> std::iter::Cloned<std::slice::Iter<'_, u8>> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         f.write_str(&s);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let _ = f.write_str(&s);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:124:22
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn bytes_mut(&mut self) -> std::slice::IterMut<u8> {
[INFO] [stdout]     |                      ^^^^^^^^^     ----------------------- the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn bytes_mut(&mut self) -> std::slice::IterMut<'_, u8> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         f.write_str(&s);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let _ = f.write_str(&s);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "aaf4a1414e549c8fec19519aa84e0b44d50d5addc4031628479c85699fd02778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf4a1414e549c8fec19519aa84e0b44d50d5addc4031628479c85699fd02778", kill_on_drop: false }`
[INFO] [stdout] aaf4a1414e549c8fec19519aa84e0b44d50d5addc4031628479c85699fd02778
