[INFO] fetching crate rustscan 2.1.0...
[INFO] checking rustscan-2.1.0 against master#bdcb6a99e853732f8ec050ae4986aa3af51d44c5 for 92191_revert
[INFO] extracting crate rustscan 2.1.0 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate rustscan 2.1.0 on toolchain bdcb6a99e853732f8ec050ae4986aa3af51d44c5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bdcb6a99e853732f8ec050ae4986aa3af51d44c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustscan 2.1.0
[INFO] finished tweaking crates.io crate rustscan 2.1.0
[INFO] tweaked toml for crates.io crate rustscan 2.1.0 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate crates.io crate rustscan 2.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bdcb6a99e853732f8ec050ae4986aa3af51d44c5" "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-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+bdcb6a99e853732f8ec050ae4986aa3af51d44c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac1a4b9db2a25bcc821f350d00023f7364704ddb8075232f2a06cebab4615b25
[INFO] running `Command { std: "docker" "start" "-a" "ac1a4b9db2a25bcc821f350d00023f7364704ddb8075232f2a06cebab4615b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac1a4b9db2a25bcc821f350d00023f7364704ddb8075232f2a06cebab4615b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac1a4b9db2a25bcc821f350d00023f7364704ddb8075232f2a06cebab4615b25", kill_on_drop: false }`
[INFO] [stdout] ac1a4b9db2a25bcc821f350d00023f7364704ddb8075232f2a06cebab4615b25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+bdcb6a99e853732f8ec050ae4986aa3af51d44c5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7e2ab47f9e6e3934803b7471faf9c6c3e77460d9b76c8292c318a51b7cb40c5
[INFO] running `Command { std: "docker" "start" "-a" "f7e2ab47f9e6e3934803b7471faf9c6c3e77460d9b76c8292c318a51b7cb40c5", 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] [stderr]    Compiling libc v0.2.124
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[INFO] [stderr]    Compiling ctor v0.1.22
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[INFO] [stderr]    Compiling enum-as-inner v0.3.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
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[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
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[INFO] [stderr]     Checking mio v0.6.23
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[INFO] [stderr]     Checking kv-log-macro v1.0.7
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[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking async-global-executor v2.0.4
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking async-std v1.11.0
[INFO] [stderr]     Checking text_placeholder v0.4.0
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]     Checking trust-dns-proto v0.19.7
[INFO] [stderr]     Checking trust-dns-rustls v0.19.7
[INFO] [stderr]     Checking trust-dns-resolver v0.19.7
[INFO] [stderr]     Checking rustscan v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `ExitStatus::code` that must be used
[INFO] [stdout]   --> tests/timelimits.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     child.wait().unwrap().code();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tags`
[INFO] [stdout]    --> src/scripts/mod.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 154 |     tags: Option<Vec<String>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Script` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/scripts/mod.rs:136:10
[INFO] [stdout]     |
[INFO] [stdout] 136 | #[derive(Clone, Debug)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tags`
[INFO] [stdout]    --> src/scripts/mod.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 154 |     tags: Option<Vec<String>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Script` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/scripts/mod.rs:136:10
[INFO] [stdout]     |
[INFO] [stdout] 136 | #[derive(Clone, Debug)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "f7e2ab47f9e6e3934803b7471faf9c6c3e77460d9b76c8292c318a51b7cb40c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e2ab47f9e6e3934803b7471faf9c6c3e77460d9b76c8292c318a51b7cb40c5", kill_on_drop: false }`
[INFO] [stdout] f7e2ab47f9e6e3934803b7471faf9c6c3e77460d9b76c8292c318a51b7cb40c5