[INFO] updating cached repository asmuth/fhistory [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/asmuth/fhistory [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/asmuth/fhistory" "work/ex/beta-1.38-1/sources/1.37.0/gh/asmuth/fhistory"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/asmuth/fhistory'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/asmuth/fhistory" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/asmuth/fhistory"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/asmuth/fhistory'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 957a241bca068bbc6a7e3b68e6fda3184b714777 [INFO] sha for GitHub repo asmuth/fhistory: 957a241bca068bbc6a7e3b68e6fda3184b714777 [INFO] validating manifest of asmuth/fhistory 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 asmuth/fhistory 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 asmuth/fhistory [INFO] finished frobbing asmuth/fhistory [INFO] frobbed toml for asmuth/fhistory written to work/ex/beta-1.38-1/sources/1.37.0/gh/asmuth/fhistory/Cargo.toml [INFO] started frobbing asmuth/fhistory [INFO] finished frobbing asmuth/fhistory [INFO] frobbed toml for asmuth/fhistory written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/asmuth/fhistory/Cargo.toml [INFO] crate asmuth/fhistory 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] [stderr] Blocking waiting for file lock on package cache [INFO] testing asmuth/fhistory 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-4/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/asmuth/fhistory:/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] 93ebc39c4abca4fbf5596ba903021066a7e56b7881d8670512a54d0c12a73b4c [INFO] running `"docker" "start" "-a" "93ebc39c4abca4fbf5596ba903021066a7e56b7881d8670512a54d0c12a73b4c"` [INFO] [stderr] Compiling inflate v0.4.0 [INFO] [stderr] Compiling fhistory v0.8.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/op_index.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data_path_abs` [INFO] [stderr] --> src/op_acknowledge.rs:59:7 [INFO] [stderr] | [INFO] [stderr] 59 | let data_path_abs = match fs::canonicalize(&data_path) { [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_data_path_abs` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `list_files` [INFO] [stderr] --> src/index_diff.rs:112:1 [INFO] [stderr] | [INFO] [stderr] 112 | pub fn list_files(diffs: &IndexDiffList) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/op_index.rs:75:3 [INFO] [stderr] | [INFO] [stderr] 75 | io::stdout().write(snapshot.unparse().as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/prompt.rs:93:3 [INFO] [stderr] | [INFO] [stderr] 93 | / writeln!( [INFO] [stderr] 94 | | &mut std::io::stderr(), [INFO] [stderr] 95 | | "Total Size: {} ({} files)", [INFO] [stderr] 96 | | format_bytecount(snap.total_size_bytes()), [INFO] [stderr] 97 | | snap.total_file_count()); [INFO] [stderr] | |_______________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.98s [INFO] running `"docker" "inspect" "93ebc39c4abca4fbf5596ba903021066a7e56b7881d8670512a54d0c12a73b4c"` [INFO] running `"docker" "rm" "-f" "93ebc39c4abca4fbf5596ba903021066a7e56b7881d8670512a54d0c12a73b4c"` [INFO] [stdout] 93ebc39c4abca4fbf5596ba903021066a7e56b7881d8670512a54d0c12a73b4c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/asmuth/fhistory:/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] d515a62292424f94cda503a2768f0221dcedb409564d4081bb3a5a43cdfcc7f0 [INFO] running `"docker" "start" "-a" "d515a62292424f94cda503a2768f0221dcedb409564d4081bb3a5a43cdfcc7f0"` [INFO] [stderr] Compiling fhistory v0.8.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/op_index.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data_path_abs` [INFO] [stderr] --> src/op_acknowledge.rs:59:7 [INFO] [stderr] | [INFO] [stderr] 59 | let data_path_abs = match fs::canonicalize(&data_path) { [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_data_path_abs` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `list_files` [INFO] [stderr] --> src/index_diff.rs:112:1 [INFO] [stderr] | [INFO] [stderr] 112 | pub fn list_files(diffs: &IndexDiffList) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/op_index.rs:75:3 [INFO] [stderr] | [INFO] [stderr] 75 | io::stdout().write(snapshot.unparse().as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/prompt.rs:93:3 [INFO] [stderr] | [INFO] [stderr] 93 | / writeln!( [INFO] [stderr] 94 | | &mut std::io::stderr(), [INFO] [stderr] 95 | | "Total Size: {} ({} files)", [INFO] [stderr] 96 | | format_bytecount(snap.total_size_bytes()), [INFO] [stderr] 97 | | snap.total_file_count()); [INFO] [stderr] | |_______________________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.61s [INFO] running `"docker" "inspect" "d515a62292424f94cda503a2768f0221dcedb409564d4081bb3a5a43cdfcc7f0"` [INFO] running `"docker" "rm" "-f" "d515a62292424f94cda503a2768f0221dcedb409564d4081bb3a5a43cdfcc7f0"` [INFO] [stdout] d515a62292424f94cda503a2768f0221dcedb409564d4081bb3a5a43cdfcc7f0 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/asmuth/fhistory:/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] e1064ee2e8c7c616a4743019e62384588ed85399ea23262d4a3c9d5f918a3a44 [INFO] running `"docker" "start" "-a" "e1064ee2e8c7c616a4743019e62384588ed85399ea23262d4a3c9d5f918a3a44"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/crater/target/debug/deps/fhistory-790a937b10c63b8b [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" "e1064ee2e8c7c616a4743019e62384588ed85399ea23262d4a3c9d5f918a3a44"` [INFO] running `"docker" "rm" "-f" "e1064ee2e8c7c616a4743019e62384588ed85399ea23262d4a3c9d5f918a3a44"` [INFO] [stdout] e1064ee2e8c7c616a4743019e62384588ed85399ea23262d4a3c9d5f918a3a44