[INFO] fetching crate benfred-read-process-memory 0.2.0...
[INFO] testing benfred-read-process-memory-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate benfred-read-process-memory 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate benfred-read-process-memory 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate benfred-read-process-memory 0.2.0
[INFO] finished tweaking crates.io crate benfred-read-process-memory 0.2.0
[INFO] tweaked toml for crates.io crate benfred-read-process-memory 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate benfred-read-process-memory 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v0.4.0
[INFO] [stderr]   Downloaded spawn-task-port v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e3149e002cb8fb448c0e3c6fd29192f2c1096b4dd5ebff9cd504b2aa6c8c0e1d
[INFO] running `Command { std: "docker" "start" "-a" "e3149e002cb8fb448c0e3c6fd29192f2c1096b4dd5ebff9cd504b2aa6c8c0e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3149e002cb8fb448c0e3c6fd29192f2c1096b4dd5ebff9cd504b2aa6c8c0e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3149e002cb8fb448c0e3c6fd29192f2c1096b4dd5ebff9cd504b2aa6c8c0e1d", kill_on_drop: false }`
[INFO] [stdout] e3149e002cb8fb448c0e3c6fd29192f2c1096b4dd5ebff9cd504b2aa6c8c0e1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c2a6f1b9eb603dfbdc2dfc1949f1078f9ac7795f1a3e0b0144fb2c92ea9d5bd
[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" "8c2a6f1b9eb603dfbdc2dfc1949f1078f9ac7795f1a3e0b0144fb2c92ea9d5bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling benfred-read-process-memory v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.77s
[INFO] running `Command { std: "docker" "inspect" "8c2a6f1b9eb603dfbdc2dfc1949f1078f9ac7795f1a3e0b0144fb2c92ea9d5bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2a6f1b9eb603dfbdc2dfc1949f1078f9ac7795f1a3e0b0144fb2c92ea9d5bd", kill_on_drop: false }`
[INFO] [stdout] 8c2a6f1b9eb603dfbdc2dfc1949f1078f9ac7795f1a3e0b0144fb2c92ea9d5bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2e3bc56aff4206bd0594faefedbcd3aab330343174812730bdf222312a18f47
[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" "a2e3bc56aff4206bd0594faefedbcd3aab330343174812730bdf222312a18f47", kill_on_drop: false }`
[INFO] [stderr]    Compiling benfred-read-process-memory v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `read_process_memory`
[INFO] [stdout]  --> examples/read-process-bytes.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate read_process_memory;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `benfred-read-process-memory`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:487:21
[INFO] [stdout]     |
[INFO] [stdout] 487 |         let child = try!(cmd.spawn()
[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/lib.rs:516:35
[INFO] [stdout]     |
[INFO] [stdout] 516 |         let (mut child, handle) = try!(spawn_with_handle(&mut cmd));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:524:19
[INFO] [stdout]     |
[INFO] [stdout] 524 |         let mem = try!(copy_address(addr, size, &handle));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:525:9
[INFO] [stdout]     |
[INFO] [stdout] 525 |         try!(child.wait());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a2e3bc56aff4206bd0594faefedbcd3aab330343174812730bdf222312a18f47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e3bc56aff4206bd0594faefedbcd3aab330343174812730bdf222312a18f47", kill_on_drop: false }`
[INFO] [stdout] a2e3bc56aff4206bd0594faefedbcd3aab330343174812730bdf222312a18f47