[INFO] cloning repository https://github.com/whbboyd/backup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whbboyd/backup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhbboyd%2Fbackup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhbboyd%2Fbackup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c017ef861f0861ab01f79fdbb7c05c5dc0b34b7
[INFO] testing whbboyd/backup against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhbboyd%2Fbackup" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whbboyd/backup on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whbboyd/backup
[INFO] finished tweaking git repo https://github.com/whbboyd/backup
[INFO] tweaked toml for git repo https://github.com/whbboyd/backup written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/whbboyd/backup already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] beb275c97b9c65c38417e91c242e61a945f04f2979a941ae6732e0f57b7e3dde
[INFO] running `Command { std: "docker" "start" "-a" "beb275c97b9c65c38417e91c242e61a945f04f2979a941ae6732e0f57b7e3dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "beb275c97b9c65c38417e91c242e61a945f04f2979a941ae6732e0f57b7e3dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beb275c97b9c65c38417e91c242e61a945f04f2979a941ae6732e0f57b7e3dde", kill_on_drop: false }`
[INFO] [stdout] beb275c97b9c65c38417e91c242e61a945f04f2979a941ae6732e0f57b7e3dde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef7c0fbd1b6c62194caf45c214e53d9d407fa787f08c9c32dec186e5da3e667d
[INFO] running `Command { std: "docker" "start" "-a" "ef7c0fbd1b6c62194caf45c214e53d9d407fa787f08c9c32dec186e5da3e667d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.7
[INFO] [stderr]    Compiling gcc v0.3.25
[INFO] [stderr]    Compiling winapi v0.2.5
[INFO] [stderr]    Compiling pkg-config v0.3.7
[INFO] [stderr]    Compiling regex-syntax v0.2.5
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling strsim v0.3.0
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]    Compiling walkdir v0.1.5
[INFO] [stderr]    Compiling memchr v0.1.10
[INFO] [stderr]    Compiling filetime v0.1.10
[INFO] [stderr]    Compiling time v0.1.34
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling libz-sys v1.0.1
[INFO] [stderr]    Compiling rust-crypto v0.2.34
[INFO] [stderr]    Compiling tar v0.4.4
[INFO] [stderr]    Compiling aho-corasick v0.5.1
[INFO] [stderr]    Compiling regex v0.1.54
[INFO] [stderr]    Compiling flate2 v0.2.13
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling docopt v0.6.78
[INFO] [stderr]    Compiling backup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/main.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 62 | #[derive(Debug,RustcDecodable)]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/operations.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |                 try!(file.write_all(
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:129:2
[INFO] [stdout]     |
[INFO] [stdout] 129 |     try!(match (args.flag_dry_run, args.flag_new_checksums) {
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:86:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let args : Args = try!(Docopt::new(USAGE)
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:97:20
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let source_root = try!(args.flag_source_root
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 |             try!(operations::load_checksums(&fname))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:148:3
[INFO] [stdout]     |
[INFO] [stdout] 148 |         try!(operations::write_archive(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:199:2
[INFO] [stdout]     |
[INFO] [stdout] 199 |     try!(builder.init());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.67s
[INFO] running `Command { std: "docker" "inspect" "ef7c0fbd1b6c62194caf45c214e53d9d407fa787f08c9c32dec186e5da3e667d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef7c0fbd1b6c62194caf45c214e53d9d407fa787f08c9c32dec186e5da3e667d", kill_on_drop: false }`
[INFO] [stdout] ef7c0fbd1b6c62194caf45c214e53d9d407fa787f08c9c32dec186e5da3e667d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3d38c2413e6decce1946215e2fc8c63b0c1033b7dfb69add89287605d115b63
[INFO] running `Command { std: "docker" "start" "-a" "e3d38c2413e6decce1946215e2fc8c63b0c1033b7dfb69add89287605d115b63", kill_on_drop: false }`
[INFO] [stderr]    Compiling backup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/main.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 62 | #[derive(Debug,RustcDecodable)]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/operations.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |                 try!(file.write_all(
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:129:2
[INFO] [stdout]     |
[INFO] [stdout] 129 |     try!(match (args.flag_dry_run, args.flag_new_checksums) {
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:86:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let args : Args = try!(Docopt::new(USAGE)
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:97:20
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let source_root = try!(args.flag_source_root
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 |             try!(operations::load_checksums(&fname))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:148:3
[INFO] [stdout]     |
[INFO] [stdout] 148 |         try!(operations::write_archive(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:199:2
[INFO] [stdout]     |
[INFO] [stdout] 199 |     try!(builder.init());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e3d38c2413e6decce1946215e2fc8c63b0c1033b7dfb69add89287605d115b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3d38c2413e6decce1946215e2fc8c63b0c1033b7dfb69add89287605d115b63", kill_on_drop: false }`
[INFO] [stdout] e3d38c2413e6decce1946215e2fc8c63b0c1033b7dfb69add89287605d115b63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 365344a5cb2226ab4600d2f7d9d5fb221943d47a6d79aef1fc88cfc165d4c59b
[INFO] running `Command { std: "docker" "start" "-a" "365344a5cb2226ab4600d2f7d9d5fb221943d47a6d79aef1fc88cfc165d4c59b", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]   --> src/main.rs:62:16
[INFO] [stderr]    |
[INFO] [stderr] 62 | #[derive(Debug,RustcDecodable)]
[INFO] [stderr]    |                ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/operations.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 try!(file.write_all(
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:129:2
[INFO] [stderr]     |
[INFO] [stderr] 129 |     try!(match (args.flag_dry_run, args.flag_new_checksums) {
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:86:20
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let args : Args = try!(Docopt::new(USAGE)
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:97:20
[INFO] [stderr]    |
[INFO] [stderr] 97 |     let source_root = try!(args.flag_source_root
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:118:4
[INFO] [stderr]     |
[INFO] [stderr] 118 |             try!(operations::load_checksums(&fname))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:148:3
[INFO] [stderr]     |
[INFO] [stderr] 148 |         try!(operations::write_archive(
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:199:2
[INFO] [stderr]     |
[INFO] [stderr] 199 |     try!(builder.init());
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `backup` (bin "backup" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/backup-889725a5c4211366)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "365344a5cb2226ab4600d2f7d9d5fb221943d47a6d79aef1fc88cfc165d4c59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "365344a5cb2226ab4600d2f7d9d5fb221943d47a6d79aef1fc88cfc165d4c59b", kill_on_drop: false }`
[INFO] [stdout] 365344a5cb2226ab4600d2f7d9d5fb221943d47a6d79aef1fc88cfc165d4c59b