[INFO] fetching crate ocean 0.1.1...
[INFO] checking ocean-0.1.1 against beta for pr-78714
[INFO] extracting crate ocean 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ocean 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 ocean 0.1.1
[INFO] finished tweaking crates.io crate ocean 0.1.1
[INFO] tweaked toml for crates.io crate ocean 0.1.1 written to /workspace/builds/worker-7/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 44bfb1606bc78bba239e044b1e48d64b78184842648bd52a6ee43dae9e5a5790
[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" "44bfb1606bc78bba239e044b1e48d64b78184842648bd52a6ee43dae9e5a5790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44bfb1606bc78bba239e044b1e48d64b78184842648bd52a6ee43dae9e5a5790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44bfb1606bc78bba239e044b1e48d64b78184842648bd52a6ee43dae9e5a5790", kill_on_drop: false }`
[INFO] [stdout] 44bfb1606bc78bba239e044b1e48d64b78184842648bd52a6ee43dae9e5a5790
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7a6257d801f7f0de2ced9bcee0c54877f863a6ac7d839367907b47a4982a4cd9
[INFO] running `Command { std: "docker" "start" "-a" "7a6257d801f7f0de2ced9bcee0c54877f863a6ac7d839367907b47a4982a4cd9", kill_on_drop: false }`
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking filetime v0.1.15
[INFO] [stderr]     Checking eval v0.4.3
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking mage v0.2.0
[INFO] [stdout] error[E0277]: the trait bound `V: serde::ser::Serialize` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mage-0.2.0/src/template/mod.rs:65:73
[INFO] [stdout]     |
[INFO] [stdout] 65  |         self.contexts.first_mut().unwrap().insert(name.into(), to_value(&value));
[INFO] [stdout]     |                                                                         ^^^^^^ the trait `serde::ser::Serialize` is not implemented for `V`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/eval-0.4.3/src/lib.rs:122:20
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub fn to_value<S: Serialize>(v: S) -> Value {
[INFO] [stdout]     |                    --------- required by this bound in `eval::to_value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `serde::ser::Serialize` for `&V`
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 63  |               V: Serialize + serde::ser::Serialize
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `render` found for enum `eval::Value` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mage-0.2.0/src/tree/mod.rs:221:22
[INFO] [stdout]     |
[INFO] [stdout] 221 |                     .render())
[INFO] [stdout]     |                      ^^^^^^ method not found in `eval::Value`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `Render` defines an item `render`, perhaps you need to implement it
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mage-0.2.0/src/render/mod.rs:5:1
[INFO] [stdout]     |
[INFO] [stdout] 5   | pub trait Render {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mage-0.2.0/src/tree/mod.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 let boolean = match value {
[INFO] [stdout]     |                                     ----- this expression has type `eval::Value`
[INFO] [stdout] 234 |                     Value::Bool(_) | Value::Null => {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^ expected enum `eval::Value`, found enum `serde_json::Value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: perhaps two different versions of crate `serde_json` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mage-0.2.0/src/tree/mod.rs:234:38
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 let boolean = match value {
[INFO] [stdout]     |                                     ----- this expression has type `eval::Value`
[INFO] [stdout] 234 |                     Value::Bool(_) | Value::Null => {
[INFO] [stdout]     |                                      ^^^^^^^^^^^ expected enum `eval::Value`, found enum `serde_json::Value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: perhaps two different versions of crate `serde_json` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mage-0.2.0/src/tree/mod.rs:235:32
[INFO] [stdout]     |
[INFO] [stdout] 235 |                         if let Value::Bool(boolean) = value {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^   ----- this expression has type `eval::Value`
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                expected enum `eval::Value`, found enum `serde_json::Value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: perhaps two different versions of crate `serde_json` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mage-0.2.0/src/tree/mod.rs:254:29
[INFO] [stdout]     |
[INFO] [stdout] 253 |                         match value {
[INFO] [stdout]     |                               ----- this expression has type `eval::Value`
[INFO] [stdout] 254 |                             Value::Bool(boolean) => {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^ expected enum `eval::Value`, found enum `serde_json::Value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: perhaps two different versions of crate `serde_json` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mage-0.2.0/src/tree/mod.rs:261:29
[INFO] [stdout]     |
[INFO] [stdout] 253 |                         match value {
[INFO] [stdout]     |                               ----- this expression has type `eval::Value`
[INFO] [stdout] ...
[INFO] [stdout] 261 |                             Value::Null => (),
[INFO] [stdout]     |                             ^^^^^^^^^^^ expected enum `eval::Value`, found enum `serde_json::Value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: perhaps two different versions of crate `serde_json` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mage-0.2.0/src/tree/mod.rs:285:21
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 match value {
[INFO] [stdout]     |                       ----- this expression has type `eval::Value`
[INFO] [stdout] 285 |                     Value::Array(ref array) => {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^ expected enum `eval::Value`, found enum `serde_json::Value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: perhaps two different versions of crate `serde_json` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mage-0.2.0/src/tree/mod.rs:305:21
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 match value {
[INFO] [stdout]     |                       ----- this expression has type `eval::Value`
[INFO] [stdout] ...
[INFO] [stdout] 305 |                     Value::Object(ref object) => {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `eval::Value`, found enum `serde_json::Value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: perhaps two different versions of crate `serde_json` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mage-0.2.0/src/tree/mod.rs:325:21
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 match value {
[INFO] [stdout]     |                       ----- this expression has type `eval::Value`
[INFO] [stdout] ...
[INFO] [stdout] 325 |                     Value::Null => (),
[INFO] [stdout]     |                     ^^^^^^^^^^^ expected enum `eval::Value`, found enum `serde_json::Value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: perhaps two different versions of crate `serde_json` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mage-0.2.0/src/tree/mod.rs:289:68
[INFO] [stdout]     |
[INFO] [stdout] 289 | ...                   context.insert(_for.value.clone(), value.clone());
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^ expected enum `eval::Value`, found enum `serde_json::Value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: perhaps two different versions of crate `serde_json` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mage-0.2.0/src/tree/mod.rs:309:68
[INFO] [stdout]     |
[INFO] [stdout] 309 | ...                   context.insert(_for.value.clone(), value.clone());
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^ expected enum `eval::Value`, found enum `serde_json::Value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: perhaps two different versions of crate `serde_json` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mage`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7a6257d801f7f0de2ced9bcee0c54877f863a6ac7d839367907b47a4982a4cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a6257d801f7f0de2ced9bcee0c54877f863a6ac7d839367907b47a4982a4cd9", kill_on_drop: false }`
[INFO] [stdout] 7a6257d801f7f0de2ced9bcee0c54877f863a6ac7d839367907b47a4982a4cd9