[INFO] crate mermer-rs 0.1.0 is already in cache
[INFO] testing mermer-rs-0.1.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate mermer-rs 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mermer-rs 0.1.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mermer-rs 0.1.0
[INFO] finished tweaking crates.io crate mermer-rs 0.1.0
[INFO] tweaked toml for crates.io crate mermer-rs 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stdout] 57d3dc0879c6d6ee84eb526d39d0aeebbd2df13b61a39180feee2841c8599334
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "57d3dc0879c6d6ee84eb526d39d0aeebbd2df13b61a39180feee2841c8599334"`
[INFO] [stderr]    Compiling mermer-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:45:27
[INFO] [stderr]    |
[INFO] [stderr] 45 | const TABLE_SIZE: usize = (1 << (2 * SCAN_WIDTH));
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_reverse_complement`
[INFO] [stderr]    --> src/lib.rs:240:4
[INFO] [stderr]     |
[INFO] [stderr] 240 | fn make_reverse_complement(motif: &str) -> String {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "57d3dc0879c6d6ee84eb526d39d0aeebbd2df13b61a39180feee2841c8599334"`
[INFO] running `"docker" "rm" "-f" "57d3dc0879c6d6ee84eb526d39d0aeebbd2df13b61a39180feee2841c8599334"`
[INFO] [stdout] 57d3dc0879c6d6ee84eb526d39d0aeebbd2df13b61a39180feee2841c8599334
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] f1b7e0069ee25cd313becae7c5f89260c3218ace105fb973b156ef6817ae38e7
[INFO] running `"docker" "start" "-a" "f1b7e0069ee25cd313becae7c5f89260c3218ace105fb973b156ef6817ae38e7"`
[INFO] [stderr]    Compiling mermer-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:45:27
[INFO] [stderr]    |
[INFO] [stderr] 45 | const TABLE_SIZE: usize = (1 << (2 * SCAN_WIDTH));
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_reverse_complement`
[INFO] [stderr]    --> src/lib.rs:240:4
[INFO] [stderr]     |
[INFO] [stderr] 240 | fn make_reverse_complement(motif: &str) -> String {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:45:27
[INFO] [stderr]    |
[INFO] [stderr] 45 | const TABLE_SIZE: usize = (1 << (2 * SCAN_WIDTH));
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_reverse_complement`
[INFO] [stderr]    --> src/lib.rs:240:4
[INFO] [stderr]     |
[INFO] [stderr] 240 | fn make_reverse_complement(motif: &str) -> String {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "f1b7e0069ee25cd313becae7c5f89260c3218ace105fb973b156ef6817ae38e7"`
[INFO] running `"docker" "rm" "-f" "f1b7e0069ee25cd313becae7c5f89260c3218ace105fb973b156ef6817ae38e7"`
[INFO] [stdout] f1b7e0069ee25cd313becae7c5f89260c3218ace105fb973b156ef6817ae38e7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 355424fbd1022be584b32d706d725d2a7cb8d29539b9846623eedcdb2610aad2
[INFO] running `"docker" "start" "-a" "355424fbd1022be584b32d706d725d2a7cb8d29539b9846623eedcdb2610aad2"`
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:45:27
[INFO] [stderr]    |
[INFO] [stderr] 45 | const TABLE_SIZE: usize = (1 << (2 * SCAN_WIDTH));
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_reverse_complement`
[INFO] [stderr]    --> src/lib.rs:240:4
[INFO] [stderr]     |
[INFO] [stderr] 240 | fn make_reverse_complement(motif: &str) -> String {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:45:27
[INFO] [stderr]    |
[INFO] [stderr] 45 | const TABLE_SIZE: usize = (1 << (2 * SCAN_WIDTH));
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_reverse_complement`
[INFO] [stderr]    --> src/lib.rs:240:4
[INFO] [stderr]     |
[INFO] [stderr] 240 | fn make_reverse_complement(motif: &str) -> String {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mermer_rs-d878a89d171ea349
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_substitute_char ... ok
[INFO] [stderr]    Doc-tests mermer-rs
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - read_fasta (line 159) ... FAILED
[INFO] [stdout] test src/lib.rs - substitute_char (line 276) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - read_fasta (line 159) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `File`
[INFO] [stdout]  --> src/lib.rs:160:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | let f = File::open("dm6.fa").unwrap();
[INFO] [stdout]   |         ^^^^ use of undeclared type or module `File`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `read_fasta` in this scope
[INFO] [stdout]  --> src/lib.rs:161:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | let (_, _, chromosomes) = read_fasta(&f).unwrap();
[INFO] [stdout]   |                           ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: possible candidate is found in another module, you can import it into scope
[INFO] [stdout]   |
[INFO] [stdout] 2 | use mermer_rs::read_fasta;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - substitute_char (line 276) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `substitute_char` in this scope
[INFO] [stdout]  --> src/lib.rs:277:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | assert_eq!("CAAA", substitute_char("AAAA", 0, 'C'));
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `substitute_char` in this scope
[INFO] [stdout]  --> src/lib.rs:278:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | assert_eq!("AACA", substitute_char("AAAA", 2, 'C'));
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - read_fasta (line 159)
[INFO] [stdout]     src/lib.rs - substitute_char (line 276)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "355424fbd1022be584b32d706d725d2a7cb8d29539b9846623eedcdb2610aad2"`
[INFO] running `"docker" "rm" "-f" "355424fbd1022be584b32d706d725d2a7cb8d29539b9846623eedcdb2610aad2"`
[INFO] [stdout] 355424fbd1022be584b32d706d725d2a7cb8d29539b9846623eedcdb2610aad2