[INFO] fetching crate fibonacci_codec 0.1.1...
[INFO] checking fibonacci_codec-0.1.1 against beta for pr-78714
[INFO] extracting crate fibonacci_codec 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate fibonacci_codec 0.1.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a09756161b62970f2f0c4b74853ec0d00f5fd451db22efcc0d488e6905ddb11
[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" "3a09756161b62970f2f0c4b74853ec0d00f5fd451db22efcc0d488e6905ddb11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a09756161b62970f2f0c4b74853ec0d00f5fd451db22efcc0d488e6905ddb11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a09756161b62970f2f0c4b74853ec0d00f5fd451db22efcc0d488e6905ddb11", kill_on_drop: false }`
[INFO] [stdout] 3a09756161b62970f2f0c4b74853ec0d00f5fd451db22efcc0d488e6905ddb11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 526d048a0b15802fee1b38296bb97975acef00058a2c18b1b5a7836425043f79
[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" "526d048a0b15802fee1b38296bb97975acef00058a2c18b1b5a7836425043f79", kill_on_drop: false }`
[INFO] [stderr]     Checking fibonacci_codec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `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 macro `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: use of deprecated macro `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 macro `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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "526d048a0b15802fee1b38296bb97975acef00058a2c18b1b5a7836425043f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "526d048a0b15802fee1b38296bb97975acef00058a2c18b1b5a7836425043f79", kill_on_drop: false }`
[INFO] [stdout] 526d048a0b15802fee1b38296bb97975acef00058a2c18b1b5a7836425043f79