[INFO] updating cached repository HermannDppes/doctails
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/HermannDppes/doctails
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/HermannDppes/doctails" "work/ex/beta-1.38-1/sources/1.37.0/gh/HermannDppes/doctails"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/HermannDppes/doctails'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/HermannDppes/doctails" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/HermannDppes/doctails"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/HermannDppes/doctails'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4c382121bcec8d7b0a37449d13b383eb1743032d
[INFO] sha for GitHub repo HermannDppes/doctails: 4c382121bcec8d7b0a37449d13b383eb1743032d
[INFO] validating manifest of HermannDppes/doctails 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 HermannDppes/doctails 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 HermannDppes/doctails
[INFO] finished frobbing HermannDppes/doctails
[INFO] frobbed toml for HermannDppes/doctails written to work/ex/beta-1.38-1/sources/1.37.0/gh/HermannDppes/doctails/Cargo.toml
[INFO] started frobbing HermannDppes/doctails
[INFO] finished frobbing HermannDppes/doctails
[INFO] frobbed toml for HermannDppes/doctails written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/HermannDppes/doctails/Cargo.toml
[INFO] crate HermannDppes/doctails 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 HermannDppes/doctails 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/HermannDppes/doctails:/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] bf3c6cafbbcd3fa13f03b12e850315b09dbae4fdbf4e133f410edf9e0d27a0ed
[INFO] running `"docker" "start" "-a" "bf3c6cafbbcd3fa13f03b12e850315b09dbae4fdbf4e133f410edf9e0d27a0ed"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.16
[INFO] [stderr]    Compiling serde_cbor v0.9.0
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling serde_derive v1.0.76
[INFO] [stderr]    Compiling doctails v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ui.rs:16:48
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn put_pack(pack: &Pack) -> 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/ui.rs:22:39
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn get_pack() -> Result<Pack, Box<Error>> {
[INFO] [stderr]    |                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.33s
[INFO] running `"docker" "inspect" "bf3c6cafbbcd3fa13f03b12e850315b09dbae4fdbf4e133f410edf9e0d27a0ed"`
[INFO] running `"docker" "rm" "-f" "bf3c6cafbbcd3fa13f03b12e850315b09dbae4fdbf4e133f410edf9e0d27a0ed"`
[INFO] [stdout] bf3c6cafbbcd3fa13f03b12e850315b09dbae4fdbf4e133f410edf9e0d27a0ed
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/HermannDppes/doctails:/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] 0d619dd436db3fa7b4f2448dbbf5f0c0d16c42179c18884a0d541d832a783afb
[INFO] running `"docker" "start" "-a" "0d619dd436db3fa7b4f2448dbbf5f0c0d16c42179c18884a0d541d832a783afb"`
[INFO] [stderr]    Compiling doctails v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ui.rs:16:48
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn put_pack(pack: &Pack) -> 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/ui.rs:22:39
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn get_pack() -> Result<Pack, Box<Error>> {
[INFO] [stderr]    |                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `"docker" "inspect" "0d619dd436db3fa7b4f2448dbbf5f0c0d16c42179c18884a0d541d832a783afb"`
[INFO] running `"docker" "rm" "-f" "0d619dd436db3fa7b4f2448dbbf5f0c0d16c42179c18884a0d541d832a783afb"`
[INFO] [stdout] 0d619dd436db3fa7b4f2448dbbf5f0c0d16c42179c18884a0d541d832a783afb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/HermannDppes/doctails:/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] 866d5a47e08c47d73dcc63f22e5c77a5ffa1e64796981a796edc0b0644ed46d6
[INFO] running `"docker" "start" "-a" "866d5a47e08c47d73dcc63f22e5c77a5ffa1e64796981a796edc0b0644ed46d6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/doctails-095b6342706ee452
[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] [stderr]      Running /opt/crater/target/debug/deps/doctails-13382705eeea4dfe
[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] [stderr]    Doc-tests doctails
[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" "866d5a47e08c47d73dcc63f22e5c77a5ffa1e64796981a796edc0b0644ed46d6"`
[INFO] running `"docker" "rm" "-f" "866d5a47e08c47d73dcc63f22e5c77a5ffa1e64796981a796edc0b0644ed46d6"`
[INFO] [stdout] 866d5a47e08c47d73dcc63f22e5c77a5ffa1e64796981a796edc0b0644ed46d6