[INFO] crate blackbox 0.2.0 is already in cache
[INFO] testing blackbox-0.2.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate blackbox 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate blackbox 0.2.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate blackbox 0.2.0
[INFO] finished tweaking crates.io crate blackbox 0.2.0
[INFO] tweaked toml for crates.io crate blackbox 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate blackbox 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5b3f2fbd519360470957489bf14901bc3b3a63eeb9a5d8b2a68cf02fd183db3d
[INFO] running `"docker" "start" "-a" "5b3f2fbd519360470957489bf14901bc3b3a63eeb9a5d8b2a68cf02fd183db3d"`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling random v0.12.2
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling special v0.8.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling probability v0.15.12
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling slog-async v2.4.0
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rulinalg v0.3.7
[INFO] [stderr]    Compiling slog-term v2.5.0
[INFO] [stderr]    Compiling rusty-machine v0.5.4
[INFO] [stderr]    Compiling blackbox v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::cmp::max`
[INFO] [stderr]  --> src/bayesian.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::cmp::max;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/bayesian.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         for i in 0..N {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `domains`
[INFO] [stderr]   --> src/bayesian.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     domains: Vec<Variable>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.86s
[INFO] running `"docker" "inspect" "5b3f2fbd519360470957489bf14901bc3b3a63eeb9a5d8b2a68cf02fd183db3d"`
[INFO] running `"docker" "rm" "-f" "5b3f2fbd519360470957489bf14901bc3b3a63eeb9a5d8b2a68cf02fd183db3d"`
[INFO] [stdout] 5b3f2fbd519360470957489bf14901bc3b3a63eeb9a5d8b2a68cf02fd183db3d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e29261ef66c489897c1887a8dfa811cf0aab5df658b7d55ccdb3385629475624
[INFO] running `"docker" "start" "-a" "e29261ef66c489897c1887a8dfa811cf0aab5df658b7d55ccdb3385629475624"`
[INFO] [stderr]    Compiling blackbox v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::cmp::max`
[INFO] [stderr]  --> src/bayesian.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::cmp::max;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/bayesian.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         for i in 0..N {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `domains`
[INFO] [stderr]   --> src/bayesian.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     domains: Vec<Variable>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `blackbox_derive`
[INFO] [stderr]  --> examples/simple.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate blackbox_derive;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `blackbox_derive`
[INFO] [stderr]  --> examples/more_complex.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate blackbox_derive;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `blackbox`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `blackbox`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused import: `std::cmp::max`
[INFO] [stderr]  --> src/bayesian.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::cmp::max;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/bayesian.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         for i in 0..N {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `domains`
[INFO] [stderr]   --> src/bayesian.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     domains: Vec<Variable>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e29261ef66c489897c1887a8dfa811cf0aab5df658b7d55ccdb3385629475624"`
[INFO] running `"docker" "rm" "-f" "e29261ef66c489897c1887a8dfa811cf0aab5df658b7d55ccdb3385629475624"`
[INFO] [stdout] e29261ef66c489897c1887a8dfa811cf0aab5df658b7d55ccdb3385629475624