[INFO] fetching crate msgpack 0.1.0...
[INFO] checking msgpack-0.1.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate msgpack 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate msgpack 0.1.0 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 msgpack 0.1.0
[INFO] finished tweaking crates.io crate msgpack 0.1.0
[INFO] tweaked toml for crates.io crate msgpack 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 6bfa354a86b1d696318ea3c94933186bb5e9a95d29c5eecd0ae276e7aa0a97fb
[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" "6bfa354a86b1d696318ea3c94933186bb5e9a95d29c5eecd0ae276e7aa0a97fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bfa354a86b1d696318ea3c94933186bb5e9a95d29c5eecd0ae276e7aa0a97fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bfa354a86b1d696318ea3c94933186bb5e9a95d29c5eecd0ae276e7aa0a97fb", kill_on_drop: false }`
[INFO] [stdout] 6bfa354a86b1d696318ea3c94933186bb5e9a95d29c5eecd0ae276e7aa0a97fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7361b59b66c953fc8effd32d827079a90fbf075321c8863fa922c039858ee020
[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" "7361b59b66c953fc8effd32d827079a90fbf075321c8863fa922c039858ee020", kill_on_drop: false }`
[INFO] [stderr]     Checking msgpack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]    --> src/lib.rs:891:16
[INFO] [stdout]     |
[INFO] [stdout] 891 |       v.insert(1i, 2i);
[INFO] [stdout]     |                ^^ invalid suffix `i`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]    --> src/lib.rs:891:20
[INFO] [stdout]     |
[INFO] [stdout] 891 |       v.insert(1i, 2i);
[INFO] [stdout]     |                    ^^ invalid suffix `i`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]    --> src/lib.rs:892:16
[INFO] [stdout]     |
[INFO] [stdout] 892 |       v.insert(3i, 4i);
[INFO] [stdout]     |                ^^ invalid suffix `i`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]    --> src/lib.rs:892:20
[INFO] [stdout]     |
[INFO] [stdout] 892 |       v.insert(3i, 4i);
[INFO] [stdout]     |                    ^^ invalid suffix `i`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]    --> src/lib.rs:898:33
[INFO] [stdout]     |
[INFO] [stdout] 898 |       let v: Option<int> = Some(1i);
[INFO] [stdout]     |                                 ^^ invalid suffix `i`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]    --> src/lib.rs:907:57
[INFO] [stdout]     |
[INFO] [stdout] 907 |         let v: (Option<int>, Option<int>) = (None, Some(1i));
[INFO] [stdout]     |                                                         ^^ invalid suffix `i`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]    --> src/lib.rs:910:51
[INFO] [stdout]     |
[INFO] [stdout] 910 |         let v: (Option<int>, Option<int>) = (Some(1i), Some(1i));
[INFO] [stdout]     |                                                   ^^ invalid suffix `i`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]    --> src/lib.rs:910:61
[INFO] [stdout]     |
[INFO] [stdout] 910 |         let v: (Option<int>, Option<int>) = (Some(1i), Some(1i));
[INFO] [stdout]     |                                                             ^^ invalid suffix `i`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/rpc.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |         (0u, msgid, method, params).encode(s)
[INFO] [stdout]    |          ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/rpc.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 |         (1u, msgid, error, result).encode(s)
[INFO] [stdout]    |          ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/rpc.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 |         (2u, method, params).encode(s)
[INFO] [stdout]    |          ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]    --> src/lib.rs:891:16
[INFO] [stdout]     |
[INFO] [stdout] 891 |       v.insert(1i, 2i);
[INFO] [stdout]     |                ^^ invalid suffix `i`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]    --> src/lib.rs:891:20
[INFO] [stdout]     |
[INFO] [stdout] 891 |       v.insert(1i, 2i);
[INFO] [stdout]     |                    ^^ invalid suffix `i`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]    --> src/lib.rs:892:16
[INFO] [stdout]     |
[INFO] [stdout] 892 |       v.insert(3i, 4i);
[INFO] [stdout]     |                ^^ invalid suffix `i`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]    --> src/lib.rs:892:20
[INFO] [stdout]     |
[INFO] [stdout] 892 |       v.insert(3i, 4i);
[INFO] [stdout]     |                    ^^ invalid suffix `i`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]    --> src/lib.rs:898:33
[INFO] [stdout]     |
[INFO] [stdout] 898 |       let v: Option<int> = Some(1i);
[INFO] [stdout]     |                                 ^^ invalid suffix `i`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]    --> src/lib.rs:907:57
[INFO] [stdout]     |
[INFO] [stdout] 907 |         let v: (Option<int>, Option<int>) = (None, Some(1i));
[INFO] [stdout]     |                                                         ^^ invalid suffix `i`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]    --> src/lib.rs:910:51
[INFO] [stdout]     |
[INFO] [stdout] 910 |         let v: (Option<int>, Option<int>) = (Some(1i), Some(1i));
[INFO] [stdout]     |                                                   ^^ invalid suffix `i`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `i` for number literal
[INFO] [stdout]    --> src/lib.rs:910:61
[INFO] [stdout]     |
[INFO] [stdout] 910 |         let v: (Option<int>, Option<int>) = (Some(1i), Some(1i));
[INFO] [stdout]     |                                                             ^^ invalid suffix `i`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/rpc.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |         (0u, msgid, method, params).encode(s)
[INFO] [stdout]    |          ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/rpc.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 |         (1u, msgid, error, result).encode(s)
[INFO] [stdout]    |          ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/rpc.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 |         (2u, method, params).encode(s)
[INFO] [stdout]    |          ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `serialize`
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate serialize;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `serialize`
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate serialize;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `msgpack` due to 13 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7361b59b66c953fc8effd32d827079a90fbf075321c8863fa922c039858ee020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7361b59b66c953fc8effd32d827079a90fbf075321c8863fa922c039858ee020", kill_on_drop: false }`
[INFO] [stdout] 7361b59b66c953fc8effd32d827079a90fbf075321c8863fa922c039858ee020
