[INFO] crate release-manager 0.1.4 is already in cache
[INFO] checking release-manager-0.1.4 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate release-manager 0.1.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate release-manager 0.1.4 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate release-manager 0.1.4
[INFO] finished tweaking crates.io crate release-manager 0.1.4
[INFO] tweaked toml for crates.io crate release-manager 0.1.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d79569ad76a1451285d5bc9caca52e6fa5b56d9dd0ddbd29965a5ebd5c1fa21f
[INFO] running `"docker" "start" "-a" "d79569ad76a1451285d5bc9caca52e6fa5b56d9dd0ddbd29965a5ebd5c1fa21f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking zip v0.2.8
[INFO] [stderr]     Checking release-manager v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable call
[INFO] [stderr]   --> src/commandline.rs:16:10
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(StructOpt, Debug)]
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          unreachable call
[INFO] [stderr]    |          any code following this expression is unreachable
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable call
[INFO] [stderr]   --> src/commandline.rs:16:10
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(StructOpt, Debug)]
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          unreachable call
[INFO] [stderr]    |          any code following this expression is unreachable
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable call
[INFO] [stderr]   --> src/commandline.rs:16:10
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(StructOpt, Debug)]
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          unreachable call
[INFO] [stderr]    |          any code following this expression is unreachable
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable call
[INFO] [stderr]   --> src/commandline.rs:16:10
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(StructOpt, Debug)]
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          unreachable call
[INFO] [stderr]    |          any code following this expression is unreachable
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `entry_and_modify` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | #![feature(entry_and_modify)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | #![feature(try_from)]
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `entry_and_modify` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | #![feature(entry_and_modify)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | #![feature(try_from)]
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.91s
[INFO] running `"docker" "inspect" "d79569ad76a1451285d5bc9caca52e6fa5b56d9dd0ddbd29965a5ebd5c1fa21f"`
[INFO] running `"docker" "rm" "-f" "d79569ad76a1451285d5bc9caca52e6fa5b56d9dd0ddbd29965a5ebd5c1fa21f"`
[INFO] [stdout] d79569ad76a1451285d5bc9caca52e6fa5b56d9dd0ddbd29965a5ebd5c1fa21f