[INFO] fetching crate freebj 1.1.3...
[INFO] checking freebj-1.1.3 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate freebj 1.1.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate freebj 1.1.3 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate freebj 1.1.3
[INFO] finished tweaking crates.io crate freebj 1.1.3
[INFO] tweaked toml for crates.io crate freebj 1.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate freebj 1.1.3 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3430b1a1225e3a40600abb324e4442bbebfa9e355ee769351f1de34038c2fa3f
[INFO] running `Command { std: "docker" "start" "-a" "3430b1a1225e3a40600abb324e4442bbebfa9e355ee769351f1de34038c2fa3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3430b1a1225e3a40600abb324e4442bbebfa9e355ee769351f1de34038c2fa3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3430b1a1225e3a40600abb324e4442bbebfa9e355ee769351f1de34038c2fa3f", kill_on_drop: false }`
[INFO] [stdout] 3430b1a1225e3a40600abb324e4442bbebfa9e355ee769351f1de34038c2fa3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 207ac1c88ec79286000e0dec89b1d3c1c6e084a91ebcf2cf64d72883465075d4
[INFO] running `Command { std: "docker" "start" "-a" "207ac1c88ec79286000e0dec89b1d3c1c6e084a91ebcf2cf64d72883465075d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking freebj v1.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/smp_simulator.rs:22:34
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a> SmpSimulator<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 22 |                verbose: bool) -> SmpSimulator {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/smp_simulator.rs:22:34
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a> SmpSimulator<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] ...
[INFO] [stdout] 22 |                verbose: bool) -> SmpSimulator {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/output.rs:18:52
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'a> WinningDistrib<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 18 |     pub fn new(distrib: &'a BTreeMap<i32, u64>) -> WinningDistrib {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/output.rs:18:52
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'a> WinningDistrib<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 18 |     pub fn new(distrib: &'a BTreeMap<i32, u64>) -> WinningDistrib {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `start_bankroll` is never read
[INFO] [stdout]   --> src/options.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Options {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub start_bankroll: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Options` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `start_bankroll` is never read
[INFO] [stdout]   --> src/options.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Options {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub start_bankroll: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Options` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.41s
[INFO] running `Command { std: "docker" "inspect" "207ac1c88ec79286000e0dec89b1d3c1c6e084a91ebcf2cf64d72883465075d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "207ac1c88ec79286000e0dec89b1d3c1c6e084a91ebcf2cf64d72883465075d4", kill_on_drop: false }`
[INFO] [stdout] 207ac1c88ec79286000e0dec89b1d3c1c6e084a91ebcf2cf64d72883465075d4