[INFO] fetching crate stormy 0.3.0...
[INFO] checking stormy-0.3.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate stormy 0.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate stormy 0.3.0
[INFO] finished tweaking crates.io crate stormy 0.3.0
[INFO] tweaked toml for crates.io crate stormy 0.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stormy 0.3.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding structopt v0.2.18 (available: v0.3.26)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 624097c1f7778104ab3123342a3217eec265bf7e3c8b66166c4ef7ccce47e901
[INFO] running `Command { std: "docker" "start" "-a" "624097c1f7778104ab3123342a3217eec265bf7e3c8b66166c4ef7ccce47e901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "624097c1f7778104ab3123342a3217eec265bf7e3c8b66166c4ef7ccce47e901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "624097c1f7778104ab3123342a3217eec265bf7e3c8b66166c4ef7ccce47e901", kill_on_drop: false }`
[INFO] [stdout] 624097c1f7778104ab3123342a3217eec265bf7e3c8b66166c4ef7ccce47e901
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fbecc274b99c2ec362bf4f6c5ec32b3fd3726799329e4ae40529b5d26fea8cd
[INFO] running `Command { std: "docker" "start" "-a" "7fbecc274b99c2ec362bf4f6c5ec32b3fd3726799329e4ae40529b5d26fea8cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking serde_json v1.0.143
[INFO] [stderr]     Checking stormy v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `StateType` is never used
[INFO] [stdout]    --> src/book.rs:241:10
[INFO] [stdout]     |
[INFO] [stdout] 241 | pub enum StateType {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/book.rs:157:29
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn state_decisions<'a>(&'a self, state_id: usize) -> Box<dyn Iterator<Item=&String> + 'a> {
[INFO] [stdout]     |                             ^^ the lifetime is named here                      ------- the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn state_decisions<'a>(&'a self, state_id: usize) -> Box<dyn Iterator<Item=&'a String> + 'a> {
[INFO] [stdout]     |                                                                                 ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/book.rs:184:35
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub fn current_decisions<'a>(&'a self) -> Box<dyn Iterator<Item=&String> + 'a> {
[INFO] [stdout]     |                                   ^^ the lifetime is named here     ------- the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub fn current_decisions<'a>(&'a self) -> Box<dyn Iterator<Item=&'a String> + 'a> {
[INFO] [stdout]     |                                                                      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StateType` is never used
[INFO] [stdout]    --> src/book.rs:241:10
[INFO] [stdout]     |
[INFO] [stdout] 241 | pub enum StateType {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/book.rs:157:29
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn state_decisions<'a>(&'a self, state_id: usize) -> Box<dyn Iterator<Item=&String> + 'a> {
[INFO] [stdout]     |                             ^^ the lifetime is named here                      ------- the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn state_decisions<'a>(&'a self, state_id: usize) -> Box<dyn Iterator<Item=&'a String> + 'a> {
[INFO] [stdout]     |                                                                                 ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/book.rs:184:35
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub fn current_decisions<'a>(&'a self) -> Box<dyn Iterator<Item=&String> + 'a> {
[INFO] [stdout]     |                                   ^^ the lifetime is named here     ------- the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub fn current_decisions<'a>(&'a self) -> Box<dyn Iterator<Item=&'a String> + 'a> {
[INFO] [stdout]     |                                                                      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.42s
[INFO] running `Command { std: "docker" "inspect" "7fbecc274b99c2ec362bf4f6c5ec32b3fd3726799329e4ae40529b5d26fea8cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fbecc274b99c2ec362bf4f6c5ec32b3fd3726799329e4ae40529b5d26fea8cd", kill_on_drop: false }`
[INFO] [stdout] 7fbecc274b99c2ec362bf4f6c5ec32b3fd3726799329e4ae40529b5d26fea8cd