[INFO] cloning repository https://github.com/Alexei-B/mc_sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Alexei-B/mc_sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexei-B%2Fmc_sim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexei-B%2Fmc_sim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d391b7c25d3ef8d68ae836252feb1e16dce8f94
[INFO] checking Alexei-B/mc_sim against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexei-B%2Fmc_sim" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Alexei-B/mc_sim
[INFO] finished tweaking git repo https://github.com/Alexei-B/mc_sim
[INFO] tweaked toml for git repo https://github.com/Alexei-B/mc_sim written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Alexei-B/mc_sim on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Alexei-B/mc_sim 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7b155f5ea8479c38740ebbfd28a8b3a3f0be4498b25a8df17ace94390dab094
[INFO] running `Command { std: "docker" "start" "-a" "f7b155f5ea8479c38740ebbfd28a8b3a3f0be4498b25a8df17ace94390dab094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7b155f5ea8479c38740ebbfd28a8b3a3f0be4498b25a8df17ace94390dab094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b155f5ea8479c38740ebbfd28a8b3a3f0be4498b25a8df17ace94390dab094", kill_on_drop: false }`
[INFO] [stdout] f7b155f5ea8479c38740ebbfd28a8b3a3f0be4498b25a8df17ace94390dab094
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8635bd65d792da426593225b267c1764345ab83cdd8e04b5f522c7ed59958014
[INFO] running `Command { std: "docker" "start" "-a" "8635bd65d792da426593225b267c1764345ab83cdd8e04b5f522c7ed59958014", kill_on_drop: false }`
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[INFO] [stderr]     Checking mc_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `ender_pearl_target_total` and `ender_pearl_target_per_run` are never read
[INFO] [stdout]   --> src/stats.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct EnderPearlDistribution {
[INFO] [stdout]    |            ---------------------- fields in this struct
[INFO] [stdout] 11 |     ender_pearl_target_total: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     ender_pearl_target_per_run: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EnderPearlDistribution` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sim.rs:154:28
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn luckiest_stream(&self) -> RwLockReadGuard<Option<Stream>> {
[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] 154 |     pub fn luckiest_stream(&self) -> RwLockReadGuard<'_, Option<Stream>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ender_pearl_target_total` and `ender_pearl_target_per_run` are never read
[INFO] [stdout]   --> src/stats.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct EnderPearlDistribution {
[INFO] [stdout]    |            ---------------------- fields in this struct
[INFO] [stdout] 11 |     ender_pearl_target_total: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     ender_pearl_target_per_run: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EnderPearlDistribution` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sim.rs:154:28
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn luckiest_stream(&self) -> RwLockReadGuard<Option<Stream>> {
[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] 154 |     pub fn luckiest_stream(&self) -> RwLockReadGuard<'_, Option<Stream>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.45s
[INFO] running `Command { std: "docker" "inspect" "8635bd65d792da426593225b267c1764345ab83cdd8e04b5f522c7ed59958014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8635bd65d792da426593225b267c1764345ab83cdd8e04b5f522c7ed59958014", kill_on_drop: false }`
[INFO] [stdout] 8635bd65d792da426593225b267c1764345ab83cdd8e04b5f522c7ed59958014
