[INFO] fetching crate ritenn 0.1.0...
[INFO] building ritenn-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate ritenn 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate ritenn 0.1.0
[INFO] finished tweaking crates.io crate ritenn 0.1.0
[INFO] tweaked toml for crates.io crate ritenn 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ritenn 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ritenn 0.1.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_chacha v0.3.0
[INFO] [stderr]   Downloaded rand_hc v0.3.0
[INFO] [stderr]   Downloaded flexbuffers v0.2.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded num_enum_derive v0.5.1
[INFO] [stderr]   Downloaded num_enum v0.5.1
[INFO] [stderr]   Downloaded serde_derive v1.0.124
[INFO] [stderr]   Downloaded rand_core v0.6.2
[INFO] [stderr]   Downloaded libm v0.2.1
[INFO] [stderr]   Downloaded rand_distr v0.4.0
[INFO] [stderr]   Downloaded serde v1.0.124
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.10
[INFO] [stderr]   Downloaded rand v0.8.3
[INFO] [stderr]   Downloaded syn v1.0.64
[INFO] [stderr]   Downloaded quote v1.0.9
[INFO] [stderr]   Downloaded libc v0.2.90
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7843eab048b09a4c9154b6489eb2feb557b831e0e593e552fdc4c15cf3500cff
[INFO] running `Command { std: "docker" "start" "-a" "7843eab048b09a4c9154b6489eb2feb557b831e0e593e552fdc4c15cf3500cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7843eab048b09a4c9154b6489eb2feb557b831e0e593e552fdc4c15cf3500cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7843eab048b09a4c9154b6489eb2feb557b831e0e593e552fdc4c15cf3500cff", kill_on_drop: false }`
[INFO] [stdout] 7843eab048b09a4c9154b6489eb2feb557b831e0e593e552fdc4c15cf3500cff
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f665c76c77634469166be6428faf3e67b0f686b80e9310f338401a07d90a434c
[INFO] running `Command { std: "docker" "start" "-a" "f665c76c77634469166be6428faf3e67b0f686b80e9310f338401a07d90a434c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rand_distr v0.4.0
[INFO] [stderr]    Compiling ritenn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:324:77
[INFO] [stdout]     |
[INFO] [stdout] 324 |     pub fn train<'b>(&'b mut self, examples: &'b [(Vec<f64>, Vec<f64>)]) -> Trainer {
[INFO] [stdout]     |                       --                      --                            ^^^^^^^
[INFO] [stdout]     |                       |                       |                             |
[INFO] [stdout]     |                       |                       |                             the same lifetime is hidden here
[INFO] [stdout]     |                       |                       the lifetime is named here    the same lifetime is hidden here
[INFO] [stdout]     |                       the lifetime is named 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 `'b`
[INFO] [stdout]     |
[INFO] [stdout] 324 |     pub fn train<'b>(&'b mut self, examples: &'b [(Vec<f64>, Vec<f64>)]) -> Trainer<'b> {
[INFO] [stdout]     |                                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `Command { std: "docker" "inspect" "f665c76c77634469166be6428faf3e67b0f686b80e9310f338401a07d90a434c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f665c76c77634469166be6428faf3e67b0f686b80e9310f338401a07d90a434c", kill_on_drop: false }`
[INFO] [stdout] f665c76c77634469166be6428faf3e67b0f686b80e9310f338401a07d90a434c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92458195fce465b9e0fc4023ea4a55a929104054d52cfccb58e0014a27543c94
[INFO] running `Command { std: "docker" "start" "-a" "92458195fce465b9e0fc4023ea4a55a929104054d52cfccb58e0014a27543c94", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:324:77
[INFO] [stdout]     |
[INFO] [stdout] 324 |     pub fn train<'b>(&'b mut self, examples: &'b [(Vec<f64>, Vec<f64>)]) -> Trainer {
[INFO] [stdout]     |                       --                      --                            ^^^^^^^
[INFO] [stdout]     |                       |                       |                             |
[INFO] [stdout]     |                       |                       |                             the same lifetime is hidden here
[INFO] [stdout]     |                       |                       the lifetime is named here    the same lifetime is hidden here
[INFO] [stdout]     |                       the lifetime is named 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 `'b`
[INFO] [stdout]     |
[INFO] [stdout] 324 |     pub fn train<'b>(&'b mut self, examples: &'b [(Vec<f64>, Vec<f64>)]) -> Trainer<'b> {
[INFO] [stdout]     |                                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ritenn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:324:77
[INFO] [stdout]     |
[INFO] [stdout] 324 |     pub fn train<'b>(&'b mut self, examples: &'b [(Vec<f64>, Vec<f64>)]) -> Trainer {
[INFO] [stdout]     |                       --                      --                            ^^^^^^^
[INFO] [stdout]     |                       |                       |                             |
[INFO] [stdout]     |                       |                       |                             the same lifetime is hidden here
[INFO] [stdout]     |                       |                       the lifetime is named here    the same lifetime is hidden here
[INFO] [stdout]     |                       the lifetime is named 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 `'b`
[INFO] [stdout]     |
[INFO] [stdout] 324 |     pub fn train<'b>(&'b mut self, examples: &'b [(Vec<f64>, Vec<f64>)]) -> Trainer<'b> {
[INFO] [stdout]     |                                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "92458195fce465b9e0fc4023ea4a55a929104054d52cfccb58e0014a27543c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92458195fce465b9e0fc4023ea4a55a929104054d52cfccb58e0014a27543c94", kill_on_drop: false }`
[INFO] [stdout] 92458195fce465b9e0fc4023ea4a55a929104054d52cfccb58e0014a27543c94
