[INFO] fetching crate prcn_lib 0.3.1...
[INFO] testing prcn_lib-0.3.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate prcn_lib 0.3.1 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prcn_lib 0.3.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proconio v0.3.6
[INFO] [stderr]   Downloaded proconio-derive v0.1.6
[INFO] [stderr]   Downloaded cargo-snippet v0.6.3
[INFO] [stderr]   Downloaded whiteread v0.5.0
[INFO] [stderr]   Downloaded im-rc v14.3.0
[INFO] [stderr]   Downloaded ndarray v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d991d6bc31b9de7ada7fcc6e0fd9c0e97bd09ef02f721d3346ec08037a249b80
[INFO] running `Command { std: "docker" "start" "-a" "d991d6bc31b9de7ada7fcc6e0fd9c0e97bd09ef02f721d3346ec08037a249b80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d991d6bc31b9de7ada7fcc6e0fd9c0e97bd09ef02f721d3346ec08037a249b80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d991d6bc31b9de7ada7fcc6e0fd9c0e97bd09ef02f721d3346ec08037a249b80", kill_on_drop: false }`
[INFO] [stdout] d991d6bc31b9de7ada7fcc6e0fd9c0e97bd09ef02f721d3346ec08037a249b80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e17c76ad5198453e21a9cbae84ba59dd67dbe44c06984b9b9f5f6a134fedfd21
[INFO] running `Command { std: "docker" "start" "-a" "e17c76ad5198453e21a9cbae84ba59dd67dbe44c06984b9b9f5f6a134fedfd21", 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
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[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling thread_local v1.0.1
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[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 smallvec v1.2.0
[INFO] [stderr]    Compiling cargo-snippet v0.6.3
[INFO] [stderr]    Compiling bitset-fixed v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
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[INFO] [stderr]    Compiling rand_pcg v0.2.1
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[INFO] [stderr]    Compiling rand_distr v0.2.2
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[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 26.52s
[INFO] running `Command { std: "docker" "inspect" "e17c76ad5198453e21a9cbae84ba59dd67dbe44c06984b9b9f5f6a134fedfd21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e17c76ad5198453e21a9cbae84ba59dd67dbe44c06984b9b9f5f6a134fedfd21", kill_on_drop: false }`
[INFO] [stdout] e17c76ad5198453e21a9cbae84ba59dd67dbe44c06984b9b9f5f6a134fedfd21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 438cb715c2d115918ea57079a63adfd101debde86dd9749a8abd780fb00ea92c
[INFO] running `Command { std: "docker" "start" "-a" "438cb715c2d115918ea57079a63adfd101debde86dd9749a8abd780fb00ea92c", kill_on_drop: false }`
[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] [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" "438cb715c2d115918ea57079a63adfd101debde86dd9749a8abd780fb00ea92c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "438cb715c2d115918ea57079a63adfd101debde86dd9749a8abd780fb00ea92c", kill_on_drop: false }`
[INFO] [stdout] 438cb715c2d115918ea57079a63adfd101debde86dd9749a8abd780fb00ea92c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8255afdef9bc3b3d93e2b43108f8b6c07710cfc10f7ec36bca267a2ae4816ca7
[INFO] running `Command { std: "docker" "start" "-a" "8255afdef9bc3b3d93e2b43108f8b6c07710cfc10f7ec36bca267a2ae4816ca7", 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::sum_test ... ok
[INFO] [stdout] test accumulate::acum_test ... ok
[INFO] [stdout] test binary_search::lower_bound_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 binary_search::upper_bound_test ... ok
[INFO] [stdout] test prime::sieve_test ... ok
[INFO] [stdout] test unique_count::count_test ... ok
[INFO] [stdout] test modint::fac_test ... ok
[INFO] [stdout] test prime::fact_test ... ok
[INFO] [stdout] test bitset::bs_iter ... ok
[INFO] [stdout] test shuffle::test_shuffle ... ok
[INFO] [stdout] test modint::mul ... ok
[INFO] [stdout] test modint::sub ... ok
[INFO] [stdout] test modint::add ... ok
[INFO] [stdout] test modint::div ... ok
[INFO] [stdout] test binary_search::binary_search_test ... ok
[INFO] [stdout] test math::sum_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[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 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8255afdef9bc3b3d93e2b43108f8b6c07710cfc10f7ec36bca267a2ae4816ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8255afdef9bc3b3d93e2b43108f8b6c07710cfc10f7ec36bca267a2ae4816ca7", kill_on_drop: false }`
[INFO] [stdout] 8255afdef9bc3b3d93e2b43108f8b6c07710cfc10f7ec36bca267a2ae4816ca7