[INFO] fetching crate multistochgrad 0.1.5...
[INFO] checking multistochgrad-0.1.5 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate multistochgrad 0.1.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate multistochgrad 0.1.5
[INFO] finished tweaking crates.io crate multistochgrad 0.1.5
[INFO] tweaked toml for crates.io crate multistochgrad 0.1.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate multistochgrad 0.1.5 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate multistochgrad 0.1.5 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc44d7691cbfe6af8bc90dc031493056c6c2193651d90b38a533713eea71efa6
[INFO] running `Command { std: "docker" "start" "-a" "cc44d7691cbfe6af8bc90dc031493056c6c2193651d90b38a533713eea71efa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc44d7691cbfe6af8bc90dc031493056c6c2193651d90b38a533713eea71efa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc44d7691cbfe6af8bc90dc031493056c6c2193651d90b38a533713eea71efa6", kill_on_drop: false }`
[INFO] [stdout] cc44d7691cbfe6af8bc90dc031493056c6c2193651d90b38a533713eea71efa6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 493595192ef6b068e57548c0ff4e47292127a192d5e4ad2736e3243707302222
[INFO] running `Command { std: "docker" "start" "-a" "493595192ef6b068e57548c0ff4e47292127a192d5e4ad2736e3243707302222", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking anstream v0.6.12
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking cpu-time v1.0.0
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking env_logger v0.11.2
[INFO] [stderr]     Checking multistochgrad v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `init_log` is never used
[INFO] [stdout]   --> src/lib.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn init_log() -> u64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_position` is never read
[INFO] [stdout]   --> src/monitor.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct IterationRes<D:Dimension> {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub last_position : Option<Array<f64,D>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_log` is never used
[INFO] [stdout]   --> src/lib.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn init_log() -> u64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_position` is never read
[INFO] [stdout]   --> src/monitor.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct IterationRes<D:Dimension> {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub last_position : Option<Array<f64,D>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.03s
[INFO] running `Command { std: "docker" "inspect" "493595192ef6b068e57548c0ff4e47292127a192d5e4ad2736e3243707302222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "493595192ef6b068e57548c0ff4e47292127a192d5e4ad2736e3243707302222", kill_on_drop: false }`
[INFO] [stdout] 493595192ef6b068e57548c0ff4e47292127a192d5e4ad2736e3243707302222