[INFO] crate epitaph 0.2.0 is already in cache
[INFO] extracting crate epitaph 0.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/epitaph/0.2.0
[INFO] extracting crate epitaph 0.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/epitaph/0.2.0
[INFO] validating manifest of epitaph-0.2.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of epitaph-0.2.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing epitaph-0.2.0
[INFO] finished frobbing epitaph-0.2.0
[INFO] frobbed toml for epitaph-0.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/epitaph/0.2.0/Cargo.toml
[INFO] started frobbing epitaph-0.2.0
[INFO] finished frobbing epitaph-0.2.0
[INFO] frobbed toml for epitaph-0.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/epitaph/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing epitaph-0.2.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/epitaph/0.2.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 2daa4a3cfdddea8a54bc514161efd3adf1ee5c7449a9ff5972f27da8a3e974e8
[INFO] running `"docker" "start" "-a" "2daa4a3cfdddea8a54bc514161efd3adf1ee5c7449a9ff5972f27da8a3e974e8"`
[INFO] [stderr] warning: dependency (alternate-future) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling epitaph v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `"docker" "inspect" "2daa4a3cfdddea8a54bc514161efd3adf1ee5c7449a9ff5972f27da8a3e974e8"`
[INFO] running `"docker" "rm" "-f" "2daa4a3cfdddea8a54bc514161efd3adf1ee5c7449a9ff5972f27da8a3e974e8"`
[INFO] [stdout] 2daa4a3cfdddea8a54bc514161efd3adf1ee5c7449a9ff5972f27da8a3e974e8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/epitaph/0.2.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c7faaf23e9a0ee23af3695cd7bd40acd382339f5f89729f1a90d83ad36bc4c92
[INFO] running `"docker" "start" "-a" "c7faaf23e9a0ee23af3695cd7bd40acd382339f5f89729f1a90d83ad36bc4c92"`
[INFO] [stderr] warning: dependency (alternate-future) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling epitaph v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> tests/func.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::error::Error as StdError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `epitaph::DetailedError`
[INFO] [stderr]  --> tests/func.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use epitaph::DetailedError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> tests/tests.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::error::Error as StdError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fail_func`
[INFO] [stderr]   --> tests/func.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn fail_func () -> Result<i32, Error>
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "c7faaf23e9a0ee23af3695cd7bd40acd382339f5f89729f1a90d83ad36bc4c92"`
[INFO] running `"docker" "rm" "-f" "c7faaf23e9a0ee23af3695cd7bd40acd382339f5f89729f1a90d83ad36bc4c92"`
[INFO] [stdout] c7faaf23e9a0ee23af3695cd7bd40acd382339f5f89729f1a90d83ad36bc4c92
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/epitaph/0.2.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] a64172526b2d643230b4ba4c9d0ccb9355b567ae2fb76a128b0ca05b49be41e0
[INFO] running `"docker" "start" "-a" "a64172526b2d643230b4ba4c9d0ccb9355b567ae2fb76a128b0ca05b49be41e0"`
[INFO] [stderr] warning: dependency (alternate-future) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/epitaph-138f09a2794fecea
[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/func-9162a6187740df3f
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test funcs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/promise-5e93c47de78372af
[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/tests-461a23557a25a4b1
[INFO] [stderr]    Doc-tests epitaph
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test attempts ... ok
[INFO] [stdout] test trace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "a64172526b2d643230b4ba4c9d0ccb9355b567ae2fb76a128b0ca05b49be41e0"`
[INFO] running `"docker" "rm" "-f" "a64172526b2d643230b4ba4c9d0ccb9355b567ae2fb76a128b0ca05b49be41e0"`
[INFO] [stdout] a64172526b2d643230b4ba4c9d0ccb9355b567ae2fb76a128b0ca05b49be41e0