[INFO] fetching crate prcn_lib 0.3.1...
[INFO] testing prcn_lib-0.3.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate prcn_lib 0.3.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate prcn_lib 0.3.1
[INFO] finished tweaking crates.io crate prcn_lib 0.3.1
[INFO] tweaked toml for crates.io crate prcn_lib 0.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prcn_lib 0.3.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prcn_lib 0.3.1 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0eccba5747c1b8bdb5d2ef7a7102cd2da083284247b7f482444be06d0c132dd3
[INFO] running `Command { std: "docker" "start" "-a" "0eccba5747c1b8bdb5d2ef7a7102cd2da083284247b7f482444be06d0c132dd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0eccba5747c1b8bdb5d2ef7a7102cd2da083284247b7f482444be06d0c132dd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eccba5747c1b8bdb5d2ef7a7102cd2da083284247b7f482444be06d0c132dd3", kill_on_drop: false }`
[INFO] [stdout] 0eccba5747c1b8bdb5d2ef7a7102cd2da083284247b7f482444be06d0c132dd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a192c2b0a099e5fad87d9ec7669c7a0a86158576adeeb8d7545b4d1eb94b0ca4
[INFO] running `Command { std: "docker" "start" "-a" "a192c2b0a099e5fad87d9ec7669c7a0a86158576adeeb8d7545b4d1eb94b0ca4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling im-rc v14.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling text_io v0.1.8
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling cargo-snippet v0.6.3
[INFO] [stderr]    Compiling bitset-fixed v0.1.0
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling whiteread v0.5.0
[INFO] [stderr]    Compiling ascii v1.0.0
[INFO] [stderr]    Compiling superslice v1.0.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling itertools-num v0.1.3
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling rand_hc v0.2.0
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling sized-chunks v0.5.3
[INFO] [stderr]    Compiling nalgebra v0.20.0
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]    Compiling proconio-derive v0.1.6
[INFO] [stderr]    Compiling proconio v0.3.6
[INFO] [stderr]    Compiling prcn_lib v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/segment_tree.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct SegmentTree<T: Monoid> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 32 |     leaves: usize,
[INFO] [stdout] 33 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SegmentTree` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.01s
[INFO] running `Command { std: "docker" "inspect" "a192c2b0a099e5fad87d9ec7669c7a0a86158576adeeb8d7545b4d1eb94b0ca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a192c2b0a099e5fad87d9ec7669c7a0a86158576adeeb8d7545b4d1eb94b0ca4", kill_on_drop: false }`
[INFO] [stdout] a192c2b0a099e5fad87d9ec7669c7a0a86158576adeeb8d7545b4d1eb94b0ca4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f6ded56ff203dc631da3171d9ab7b9dbc7ee55f18393c8972491efda73d1f3b
[INFO] running `Command { std: "docker" "start" "-a" "7f6ded56ff203dc631da3171d9ab7b9dbc7ee55f18393c8972491efda73d1f3b", kill_on_drop: false }`
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/segment_tree.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct SegmentTree<T: Monoid> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 32 |     leaves: usize,
[INFO] [stdout] 33 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SegmentTree` 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] [stderr]    Compiling prcn_lib v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/segment_tree.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct SegmentTree<T: Monoid> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 32 |     leaves: usize,
[INFO] [stdout] 33 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SegmentTree` 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "7f6ded56ff203dc631da3171d9ab7b9dbc7ee55f18393c8972491efda73d1f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f6ded56ff203dc631da3171d9ab7b9dbc7ee55f18393c8972491efda73d1f3b", kill_on_drop: false }`
[INFO] [stdout] 7f6ded56ff203dc631da3171d9ab7b9dbc7ee55f18393c8972491efda73d1f3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 791628dac4526704eece4a3d845e0e07865a66ebb6544eb5d461f99ce7e5207f
[INFO] running `Command { std: "docker" "start" "-a" "791628dac4526704eece4a3d845e0e07865a66ebb6544eb5d461f99ce7e5207f", kill_on_drop: false }`
[INFO] [stderr] warning: field `size` is never read
[INFO] [stderr]   --> src/segment_tree.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub struct SegmentTree<T: Monoid> {
[INFO] [stderr]    |            ----------- field in this struct
[INFO] [stderr] 32 |     leaves: usize,
[INFO] [stderr] 33 |     size: usize,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `SegmentTree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `prcn_lib` (lib) generated 1 warning
[INFO] [stderr] warning: `prcn_lib` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prcn_lib-1ef96811e1417c11)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test accumulate::acum_test ... ok
[INFO] [stdout] test accumulate::sum_test ... ok
[INFO] [stdout] test binary_search::lower_bound_test ... ok
[INFO] [stdout] test binary_search::binary_search_test ... ok
[INFO] [stdout] test binary_search::upper_bound_test ... ok
[INFO] [stdout] test bitset::bs_iter ... ok
[INFO] [stdout] test math::sum_test ... ok
[INFO] [stdout] test math::test_scale ... ok
[INFO] [stdout] test math::test_n_base_scale ... ok
[INFO] [stdout] test math::vec_test ... ok
[INFO] [stdout] test modint::fac_test ... ok
[INFO] [stdout] test prime::fact_test ... ok
[INFO] [stdout] test prime::sieve_test ... ok
[INFO] [stdout] test shuffle::test_shuffle ... ok
[INFO] [stdout] test unique_count::count_test ... ok
[INFO] [stdout] test modint::sub ... ok
[INFO] [stdout] test modint::mul ... ok
[INFO] [stdout] test modint::div ... ok
[INFO] [stdout] test modint::add ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prcn_lib
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/prime.rs - prime::Prime::factorization (line 49) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/prime.rs - prime::Prime::factorization (line 49) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Prime`
[INFO] [stdout]  --> src/prime.rs:50:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | let table = Prime::init(10);
[INFO] [stdout]   |             ^^^^^ use of undeclared type `Prime`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use prcn_lib::prime::Prime;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/prime.rs - prime::Prime::factorization (line 49)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "791628dac4526704eece4a3d845e0e07865a66ebb6544eb5d461f99ce7e5207f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "791628dac4526704eece4a3d845e0e07865a66ebb6544eb5d461f99ce7e5207f", kill_on_drop: false }`
[INFO] [stdout] 791628dac4526704eece4a3d845e0e07865a66ebb6544eb5d461f99ce7e5207f