[INFO] crate fibonacci_codec 0.1.1 is already in cache
[INFO] testing fibonacci_codec-0.1.1 against 1.45.2 for beta-1.46-1
[INFO] extracting crate fibonacci_codec 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fibonacci_codec 0.1.1 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fibonacci_codec 0.1.1
[INFO] finished tweaking crates.io crate fibonacci_codec 0.1.1
[INFO] tweaked toml for crates.io crate fibonacci_codec 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9392da486453d157d5b311f5f1660f326f5237f6bb9d4782f2bfd7ea85b34e78
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9392da486453d157d5b311f5f1660f326f5237f6bb9d4782f2bfd7ea85b34e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9392da486453d157d5b311f5f1660f326f5237f6bb9d4782f2bfd7ea85b34e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9392da486453d157d5b311f5f1660f326f5237f6bb9d4782f2bfd7ea85b34e78", kill_on_drop: false }`
[INFO] [stdout] 9392da486453d157d5b311f5f1660f326f5237f6bb9d4782f2bfd7ea85b34e78
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c2a03e46fb9a7f754ed9ec6b368893bd6ef32d58dd93dc8af03e66c5cbaa366
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9c2a03e46fb9a7f754ed9ec6b368893bd6ef32d58dd93dc8af03e66c5cbaa366", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling fibonacci_codec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         try!(self.fib_encode_mut(&mut vec));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         try!(self.fib_encode_mut(&mut vec));
[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 2.28s
[INFO] running `Command { std: "docker" "inspect" "9c2a03e46fb9a7f754ed9ec6b368893bd6ef32d58dd93dc8af03e66c5cbaa366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c2a03e46fb9a7f754ed9ec6b368893bd6ef32d58dd93dc8af03e66c5cbaa366", kill_on_drop: false }`
[INFO] [stdout] 9c2a03e46fb9a7f754ed9ec6b368893bd6ef32d58dd93dc8af03e66c5cbaa366
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40dbc11dec807789cad1b1c3377e9323e62f13708f6b7e8742ad4f388b62d049
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "40dbc11dec807789cad1b1c3377e9323e62f13708f6b7e8742ad4f388b62d049", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fibonacci_codec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         try!(self.fib_encode_mut(&mut vec));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         try!(self.fib_encode_mut(&mut vec));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/encode.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         try!(self.fib_encode_mut(&mut vec));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/encode.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         try!(self.fib_encode_mut(&mut vec));
[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 2.73s
[INFO] running `Command { std: "docker" "inspect" "40dbc11dec807789cad1b1c3377e9323e62f13708f6b7e8742ad4f388b62d049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40dbc11dec807789cad1b1c3377e9323e62f13708f6b7e8742ad4f388b62d049", kill_on_drop: false }`
[INFO] [stdout] 40dbc11dec807789cad1b1c3377e9323e62f13708f6b7e8742ad4f388b62d049
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b7eded48795bae9add8c1c190a08ae310c7c906c43f3e50cc5c6f9d0f58ff5d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9b7eded48795bae9add8c1c190a08ae310c7c906c43f3e50cc5c6f9d0f58ff5d", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encode.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |         try!(self.fib_encode_mut(&mut vec));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encode.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         try!(self.fib_encode_mut(&mut vec));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/encode.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |         try!(self.fib_encode_mut(&mut vec));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/encode.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         try!(self.fib_encode_mut(&mut vec));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fibonacci_codec-7047a22a9647dfa6
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/decode-48845ebeac7696e5
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_overflow_from_fib_elt ... ok
[INFO] [stdout] test test_roundtrip_u64 ... ok
[INFO] [stdout] test test_roundtrip_u8 ... ok
[INFO] [stdout] test test_overflow_from_addition ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/encode-4a0336371cac0351
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_slices_multi ... ok
[INFO] [stderr]    Doc-tests fibonacci_codec
[INFO] [stdout] test test_slices_singles ... ok
[INFO] [stdout] test test_factor_wikipedia ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 34) ... ok
[INFO] [stdout] test src/lib.rs -  (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9b7eded48795bae9add8c1c190a08ae310c7c906c43f3e50cc5c6f9d0f58ff5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b7eded48795bae9add8c1c190a08ae310c7c906c43f3e50cc5c6f9d0f58ff5d", kill_on_drop: false }`
[INFO] [stdout] 9b7eded48795bae9add8c1c190a08ae310c7c906c43f3e50cc5c6f9d0f58ff5d