[INFO] updating cached repository ThomasdenH/pdf.js-wasm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ThomasdenH/pdf.js-wasm
[INFO] [stderr]  * branch              HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ThomasdenH/pdf.js-wasm" "work/ex/beta-1.38-1/sources/1.37.0/gh/ThomasdenH/pdf.js-wasm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ThomasdenH/pdf.js-wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ThomasdenH/pdf.js-wasm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ThomasdenH/pdf.js-wasm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ThomasdenH/pdf.js-wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bce37a60a0818e730dd43b5567457d0982268cff
[INFO] sha for GitHub repo ThomasdenH/pdf.js-wasm: bce37a60a0818e730dd43b5567457d0982268cff
[INFO] validating manifest of ThomasdenH/pdf.js-wasm on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ThomasdenH/pdf.js-wasm on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ThomasdenH/pdf.js-wasm
[INFO] finished frobbing ThomasdenH/pdf.js-wasm
[INFO] frobbed toml for ThomasdenH/pdf.js-wasm written to work/ex/beta-1.38-1/sources/1.37.0/gh/ThomasdenH/pdf.js-wasm/Cargo.toml
[INFO] started frobbing ThomasdenH/pdf.js-wasm
[INFO] finished frobbing ThomasdenH/pdf.js-wasm
[INFO] frobbed toml for ThomasdenH/pdf.js-wasm written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ThomasdenH/pdf.js-wasm/Cargo.toml
[INFO] crate ThomasdenH/pdf.js-wasm already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ThomasdenH/pdf.js-wasm against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ThomasdenH/pdf.js-wasm:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] fc070f6ea6eeeba578d88b5d62e75948c21dda8183d2e48238e7cb3e8a5b3515
[INFO] running `"docker" "start" "-a" "fc070f6ea6eeeba578d88b5d62e75948c21dda8183d2e48238e7cb3e8a5b3515"`
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling md5 v0.6.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling pdfjs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Upper`
[INFO] [stderr]  --> src/core/core_utils.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Upper,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Lower`
[INFO] [stderr]  --> src/core/core_utils.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Lower,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ROMAN_NUMBER_MAP_HUNDREDS`
[INFO] [stderr]  --> src/core/core_utils.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | / const ROMAN_NUMBER_MAP_HUNDREDS: [&str; 10] =
[INFO] [stderr] 8 | |     ["", "C", "CC", "CCC", "CD", "D", "DC", "DCC", "DCCC", "CM"];
[INFO] [stderr]   | |_________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ROMAN_NUMBER_MAP_TENS`
[INFO] [stderr]   --> src/core/core_utils.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / const ROMAN_NUMBER_MAP_TENS: [&str; 10] =
[INFO] [stderr] 11 | |     ["", "X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC"];
[INFO] [stderr]    | |_________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ROMAN_NUMBER_MAP_ONES`
[INFO] [stderr]   --> src/core/core_utils.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / const ROMAN_NUMBER_MAP_ONES: [&str; 10] =
[INFO] [stderr] 14 | |     ["", "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX"];
[INFO] [stderr]    | |_________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_roman_numerals`
[INFO] [stderr]   --> src/core/core_utils.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn to_roman_numerals(number: u32, casing: Casing) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/core/crypto/arc_four_cipher.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn new(key: &[u8]) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `encrypt_block`
[INFO] [stderr]   --> src/core/crypto/arc_four_cipher.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn encrypt_block(&mut self, data: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `decrypt_block`
[INFO] [stderr]   --> src/core/crypto/arc_four_cipher.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn decrypt_block(&mut self, data: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_md5`
[INFO] [stderr]   --> src/core/crypto.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn calculate_md5(data: &[u8], offset: usize, length: usize) -> [u8; 16] {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_md5_wasm`
[INFO] [stderr]   --> src/core/crypto.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn calculate_md5_wasm(data: &[u8], offset: usize, length: usize) -> Vec<u8> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MAX_ADLER32_LENGTH`
[INFO] [stderr]  --> src/core/parser.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | const MAX_ADLER32_LENGTH: usize = 5552;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compute_adler_32`
[INFO] [stderr]  --> src/core/parser.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn compute_adler_32(bytes: &[u8]) -> u32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_verbosity_level`
[INFO] [stderr]   --> src/shared/util.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn set_verbosity_level(level: VerbosityLevel) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `verbosity_level`
[INFO] [stderr]   --> src/shared/util.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn verbosity_level() -> VerbosityLevel {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `info`
[INFO] [stderr]   --> src/shared/util.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn info(msg: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `warn`
[INFO] [stderr]   --> src/shared/util.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub fn warn(msg: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_space`
[INFO] [stderr]   --> src/shared/util.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn is_space(ch: char) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.21s
[INFO] running `"docker" "inspect" "fc070f6ea6eeeba578d88b5d62e75948c21dda8183d2e48238e7cb3e8a5b3515"`
[INFO] running `"docker" "rm" "-f" "fc070f6ea6eeeba578d88b5d62e75948c21dda8183d2e48238e7cb3e8a5b3515"`
[INFO] [stdout] fc070f6ea6eeeba578d88b5d62e75948c21dda8183d2e48238e7cb3e8a5b3515
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ThomasdenH/pdf.js-wasm:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] abddce8b8edb8a111a7b521d244ad7ba3caad7992efd3a80bae560bacb763fc1
[INFO] running `"docker" "start" "-a" "abddce8b8edb8a111a7b521d244ad7ba3caad7992efd3a80bae560bacb763fc1"`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.47
[INFO] [stderr]    Compiling bumpalo v2.4.3
[INFO] [stderr]    Compiling wasm-bindgen v0.2.47
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.2.47
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.47
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.47
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.47
[INFO] [stderr]    Compiling js-sys v0.3.24
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.3.24
[INFO] [stderr]    Compiling wasm-bindgen-test v0.2.47
[INFO] [stderr]    Compiling pdfjs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/core/crypto/arc_four_cipher.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn new(key: &[u8]) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `encrypt_block`
[INFO] [stderr]   --> src/core/crypto/arc_four_cipher.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn encrypt_block(&mut self, data: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `decrypt_block`
[INFO] [stderr]   --> src/core/crypto/arc_four_cipher.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn decrypt_block(&mut self, data: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_md5`
[INFO] [stderr]   --> src/core/crypto.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn calculate_md5(data: &[u8], offset: usize, length: usize) -> [u8; 16] {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_md5_wasm`
[INFO] [stderr]   --> src/core/crypto.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn calculate_md5_wasm(data: &[u8], offset: usize, length: usize) -> Vec<u8> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_verbosity_level`
[INFO] [stderr]   --> src/shared/util.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn set_verbosity_level(level: VerbosityLevel) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `verbosity_level`
[INFO] [stderr]   --> src/shared/util.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn verbosity_level() -> VerbosityLevel {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `info`
[INFO] [stderr]   --> src/shared/util.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn info(msg: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `warn`
[INFO] [stderr]   --> src/shared/util.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub fn warn(msg: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_space`
[INFO] [stderr]   --> src/shared/util.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn is_space(ch: char) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.82s
[INFO] running `"docker" "inspect" "abddce8b8edb8a111a7b521d244ad7ba3caad7992efd3a80bae560bacb763fc1"`
[INFO] running `"docker" "rm" "-f" "abddce8b8edb8a111a7b521d244ad7ba3caad7992efd3a80bae560bacb763fc1"`
[INFO] [stdout] abddce8b8edb8a111a7b521d244ad7ba3caad7992efd3a80bae560bacb763fc1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ThomasdenH/pdf.js-wasm:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] b8e84b837c735136401dc778777c5a25c1e38b0f606322fa09529d2df702ceac
[INFO] running `"docker" "start" "-a" "b8e84b837c735136401dc778777c5a25c1e38b0f606322fa09529d2df702ceac"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pdfjs-c071ff814951d431
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test core::parser::test_compute_adler_32 ... ok
[INFO] [stdout] test core::core_utils::test_to_roman_numerals_uppercase ... ok
[INFO] [stdout] test core::core_utils::test_to_roman_numerals_lowercase ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pdfjs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b8e84b837c735136401dc778777c5a25c1e38b0f606322fa09529d2df702ceac"`
[INFO] running `"docker" "rm" "-f" "b8e84b837c735136401dc778777c5a25c1e38b0f606322fa09529d2df702ceac"`
[INFO] [stdout] b8e84b837c735136401dc778777c5a25c1e38b0f606322fa09529d2df702ceac