[INFO] updating cached repository kivikakk/ebooks
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kivikakk/ebooks
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kivikakk/ebooks" "work/ex/beta-1.38-1/sources/1.37.0/gh/kivikakk/ebooks"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kivikakk/ebooks'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kivikakk/ebooks" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kivikakk/ebooks"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kivikakk/ebooks'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9d552aaf922723ff8beba707bce3aaa89525c404
[INFO] sha for GitHub repo kivikakk/ebooks: 9d552aaf922723ff8beba707bce3aaa89525c404
[INFO] validating manifest of kivikakk/ebooks 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 kivikakk/ebooks 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 kivikakk/ebooks
[INFO] finished frobbing kivikakk/ebooks
[INFO] frobbed toml for kivikakk/ebooks written to work/ex/beta-1.38-1/sources/1.37.0/gh/kivikakk/ebooks/Cargo.toml
[INFO] started frobbing kivikakk/ebooks
[INFO] finished frobbing kivikakk/ebooks
[INFO] frobbed toml for kivikakk/ebooks written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kivikakk/ebooks/Cargo.toml
[INFO] crate kivikakk/ebooks 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 kivikakk/ebooks against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kivikakk/ebooks:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 5b035347e7921b2c675ae0aa8488568c1a606bc1511c92d7af1e115d7f3c127a
[INFO] running `"docker" "start" "-a" "5b035347e7921b2c675ae0aa8488568c1a606bc1511c92d7af1e115d7f3c127a"`
[INFO] [stderr]    Compiling openssl v0.9.23
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling serde v1.0.24
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling htmlescape v0.3.1 (https://github.com/kivikakk/rust-htmlescape.git#4572c97c)
[INFO] [stderr]    Compiling iovec v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.23
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling rand v0.4.1
[INFO] [stderr]    Compiling base64 v0.8.0
[INFO] [stderr]    Compiling csv-core v0.1.3
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling bytes v0.4.5
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling clap v2.29.0
[INFO] [stderr]    Compiling mio v0.6.11
[INFO] [stderr]    Compiling futures-cpupool v0.1.7
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling derive-error-chain v0.10.1
[INFO] [stderr]    Compiling serde_derive_internals v0.18.0
[INFO] [stderr]    Compiling mime v0.3.5
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling regex v0.2.3
[INFO] [stderr]    Compiling tokio-io v0.1.4
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling generic-array v0.8.3
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling tokio-core v0.1.11
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling digest v0.6.2
[INFO] [stderr]    Compiling crypto-mac v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.24
[INFO] [stderr]    Compiling csv v1.0.0-beta.5
[INFO] [stderr]    Compiling bincode v0.9.2
[INFO] [stderr]    Compiling sha-1 v0.4.1
[INFO] [stderr]    Compiling hmac v0.4.2
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.4
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling hyper v0.11.9
[INFO] [stderr]    Compiling native-tls v0.1.4
[INFO] [stderr]    Compiling tokio-tls v0.1.3
[INFO] [stderr]    Compiling dotenv v0.10.1
[INFO] [stderr]    Compiling hyper-tls v0.1.2
[INFO] [stderr]    Compiling egg-mode v0.12.0
[INFO] [stderr]    Compiling ebooks v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parse.rs:68:55
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub fn parse(input: &str, n: usize) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generate.rs:49:49
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub fn generate(n: usize) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generate.rs:56:70
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn generate_with_map(n: usize, map: &NgramMap) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/tweet.rs:8:42
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn tweet(n: usize) -> Result<(), Box<Error>> {
[INFO] [stderr]   |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tweet.rs:36:86
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn pin(core: &mut Core, handle: &Handle, con_token: &KeyPair) -> Result<KeyPair, Box<Error>> {
[INFO] [stderr]    |                                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 04s
[INFO] running `"docker" "inspect" "5b035347e7921b2c675ae0aa8488568c1a606bc1511c92d7af1e115d7f3c127a"`
[INFO] running `"docker" "rm" "-f" "5b035347e7921b2c675ae0aa8488568c1a606bc1511c92d7af1e115d7f3c127a"`
[INFO] [stdout] 5b035347e7921b2c675ae0aa8488568c1a606bc1511c92d7af1e115d7f3c127a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kivikakk/ebooks:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] aecca4aba8df4980555411b0d21d25c3015f48e2830ca6d8084e6e5e8b093176
[INFO] running `"docker" "start" "-a" "aecca4aba8df4980555411b0d21d25c3015f48e2830ca6d8084e6e5e8b093176"`
[INFO] [stderr]    Compiling ebooks v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parse.rs:68:55
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub fn parse(input: &str, n: usize) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generate.rs:49:49
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub fn generate(n: usize) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generate.rs:56:70
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn generate_with_map(n: usize, map: &NgramMap) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/tweet.rs:8:42
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn tweet(n: usize) -> Result<(), Box<Error>> {
[INFO] [stderr]   |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tweet.rs:36:86
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn pin(core: &mut Core, handle: &Handle, con_token: &KeyPair) -> Result<KeyPair, Box<Error>> {
[INFO] [stderr]    |                                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `"docker" "inspect" "aecca4aba8df4980555411b0d21d25c3015f48e2830ca6d8084e6e5e8b093176"`
[INFO] running `"docker" "rm" "-f" "aecca4aba8df4980555411b0d21d25c3015f48e2830ca6d8084e6e5e8b093176"`
[INFO] [stdout] aecca4aba8df4980555411b0d21d25c3015f48e2830ca6d8084e6e5e8b093176
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kivikakk/ebooks:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 79ca4ec3b18cb2cccc55d5d55061f00fc30ac65feede198dc7a99a3e0fabe4cd
[INFO] running `"docker" "start" "-a" "79ca4ec3b18cb2cccc55d5d55061f00fc30ac65feede198dc7a99a3e0fabe4cd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ebooks-d9d04d0500114515
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test generate::entities_decoded ... ok
[INFO] [stdout] test generate::smaller_n_is_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "79ca4ec3b18cb2cccc55d5d55061f00fc30ac65feede198dc7a99a3e0fabe4cd"`
[INFO] running `"docker" "rm" "-f" "79ca4ec3b18cb2cccc55d5d55061f00fc30ac65feede198dc7a99a3e0fabe4cd"`
[INFO] [stdout] 79ca4ec3b18cb2cccc55d5d55061f00fc30ac65feede198dc7a99a3e0fabe4cd