[INFO] fetching crate oper 0.3.0...
[INFO] testing oper-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate oper 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate oper 0.3.0 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 crates.io crate oper 0.3.0
[INFO] finished tweaking crates.io crate oper 0.3.0
[INFO] tweaked toml for crates.io crate oper 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate oper 0.3.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded approx v0.1.1
[INFO] [stderr]   Downloaded cgmath v0.16.1
[INFO] [stderr]   Downloaded colored v1.8.0
[INFO] [stderr]   Downloaded time-macros-impl v0.1.0
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[INFO] [stderr]   Downloaded enumset_derive v0.4.0
[INFO] [stderr]   Downloaded time v0.2.6
[INFO] [stderr]   Downloaded enum-map-internals v0.1.3
[INFO] [stderr]   Downloaded enumset v0.4.0
[INFO] [stderr]   Downloaded enum-map-derive v0.4.2
[INFO] [stderr]   Downloaded libssh2-sys v0.2.11
[INFO] [stderr]   Downloaded enum-map v0.5.0
[INFO] [stderr]   Downloaded git2 v0.11.0
[INFO] [stderr]   Downloaded array-macro v1.0.3
[INFO] [stderr]   Downloaded winconsole v0.10.0
[INFO] [stderr]   Downloaded rgb v0.8.14
[INFO] [stderr]   Downloaded simple_logger v1.5.0
[INFO] [stderr]   Downloaded cursive v0.12.0
[INFO] [stderr]   Downloaded libgit2-sys v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 7c48ac28ca959f4f5773c6523f62cc4a8324f47e80d726a76fc0eaf5ceeec4fc
[INFO] running `Command { std: "docker" "start" "-a" "7c48ac28ca959f4f5773c6523f62cc4a8324f47e80d726a76fc0eaf5ceeec4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c48ac28ca959f4f5773c6523f62cc4a8324f47e80d726a76fc0eaf5ceeec4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c48ac28ca959f4f5773c6523f62cc4a8324f47e80d726a76fc0eaf5ceeec4fc", kill_on_drop: false }`
[INFO] [stdout] 7c48ac28ca959f4f5773c6523f62cc4a8324f47e80d726a76fc0eaf5ceeec4fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] c26ef9aa448a72a3e8d405433fee08f291e3e67c6db34265f279adaf9296c832
[INFO] running `Command { std: "docker" "start" "-a" "c26ef9aa448a72a3e8d405433fee08f291e3e67c6db34265f279adaf9296c832", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling rgb v0.8.14
[INFO] [stderr]    Compiling array-macro v1.0.3
[INFO] [stderr]    Compiling arc-swap v0.4.2
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling number_prefix v0.3.0
[INFO] [stderr]    Compiling hashbrown v0.3.1
[INFO] [stderr]    Compiling xi-unicode v0.1.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling enum-map-internals v0.1.3
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.8
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
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[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling quote v1.0.2
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[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling num_cpus v1.12.0
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[INFO] [stderr]    Compiling rand v0.4.6
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[INFO] [stderr]    Compiling signal-hook-registry v1.1.1
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[INFO] [stderr]    Compiling atty v0.2.13
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[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling signal-hook v0.1.10
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling console v0.9.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling libgit2-sys v0.10.0
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling simple_logger v1.5.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling enumset_derive v0.4.0
[INFO] [stderr]    Compiling indicatif v0.14.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling enum-map-derive v0.4.2
[INFO] [stderr]    Compiling git2 v0.11.0
[INFO] [stderr]    Compiling enum-map v0.5.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
[INFO] [stderr]    Compiling enumset v0.4.0
[INFO] [stderr]    Compiling cursive v0.12.0
[INFO] [stderr]    Compiling time-macros v0.1.0
[INFO] [stderr]    Compiling time v0.2.6
[INFO] [stderr]    Compiling oper v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:88:28
[INFO] [stdout]    |
[INFO] [stdout] 88 |         .or_else(|e| Err(e.description().into()))
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:106:61
[INFO] [stdout]     |
[INFO] [stdout] 106 |         .map_err(|e| io::Error::new(io::ErrorKind::Other, e.description()))?;
[INFO] [stdout]     |                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "c26ef9aa448a72a3e8d405433fee08f291e3e67c6db34265f279adaf9296c832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26ef9aa448a72a3e8d405433fee08f291e3e67c6db34265f279adaf9296c832", kill_on_drop: false }`
[INFO] [stdout] c26ef9aa448a72a3e8d405433fee08f291e3e67c6db34265f279adaf9296c832
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] edb81879171361704022c0d7dbbbb7e4151ec1a559a23116b4702ff43486ab00
[INFO] running `Command { std: "docker" "start" "-a" "edb81879171361704022c0d7dbbbb7e4151ec1a559a23116b4702ff43486ab00", kill_on_drop: false }`
[INFO] [stderr]    Compiling oper v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:88:28
[INFO] [stdout]    |
[INFO] [stdout] 88 |         .or_else(|e| Err(e.description().into()))
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:106:61
[INFO] [stdout]     |
[INFO] [stdout] 106 |         .map_err(|e| io::Error::new(io::ErrorKind::Other, e.description()))?;
[INFO] [stdout]     |                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `Command { std: "docker" "inspect" "edb81879171361704022c0d7dbbbb7e4151ec1a559a23116b4702ff43486ab00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edb81879171361704022c0d7dbbbb7e4151ec1a559a23116b4702ff43486ab00", kill_on_drop: false }`
[INFO] [stdout] edb81879171361704022c0d7dbbbb7e4151ec1a559a23116b4702ff43486ab00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 5acdeeca394ab03574f05c565d31cba75f97d63130a5a32ca2f45190b35b6efe
[INFO] running `Command { std: "docker" "start" "-a" "5acdeeca394ab03574f05c565d31cba75f97d63130a5a32ca2f45190b35b6efe", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:88:28
[INFO] [stderr]    |
[INFO] [stderr] 88 |         .or_else(|e| Err(e.description().into()))
[INFO] [stderr]    |                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:106:61
[INFO] [stderr]     |
[INFO] [stderr] 106 |         .map_err(|e| io::Error::new(io::ErrorKind::Other, e.description()))?;
[INFO] [stderr]     |                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `oper` (bin "oper" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/oper-754d6348589c4d65)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test views::table_view::tests::should_insert_into_empty_table ... ok
[INFO] [stdout] test views::table_view::tests::should_insert_into_existing_table ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5acdeeca394ab03574f05c565d31cba75f97d63130a5a32ca2f45190b35b6efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5acdeeca394ab03574f05c565d31cba75f97d63130a5a32ca2f45190b35b6efe", kill_on_drop: false }`
[INFO] [stdout] 5acdeeca394ab03574f05c565d31cba75f97d63130a5a32ca2f45190b35b6efe