[INFO] cloning repository https://github.com/neivv/scarf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neivv/scarf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneivv%2Fscarf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneivv%2Fscarf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b492a9de8b1c6884f7d4282b5d1689018c67253
[INFO] checking neivv/scarf against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneivv%2Fscarf" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neivv/scarf on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/neivv/scarf
[INFO] finished tweaking git repo https://github.com/neivv/scarf
[INFO] tweaked toml for git repo https://github.com/neivv/scarf written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/neivv/scarf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "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-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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aed40d4f951c9403a9d97db748179adcf13746a11890be04162a78b9bcedf043
[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" "aed40d4f951c9403a9d97db748179adcf13746a11890be04162a78b9bcedf043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aed40d4f951c9403a9d97db748179adcf13746a11890be04162a78b9bcedf043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aed40d4f951c9403a9d97db748179adcf13746a11890be04162a78b9bcedf043", kill_on_drop: false }`
[INFO] [stdout] aed40d4f951c9403a9d97db748179adcf13746a11890be04162a78b9bcedf043
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "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] a0dbb3824539b2e8736f080d765e3c71c64dba1ffcb8ccf176ab6bc40a9e2647
[INFO] running `Command { std: "docker" "start" "-a" "a0dbb3824539b2e8736f080d765e3c71c64dba1ffcb8ccf176ab6bc40a9e2647", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking lde v0.3.0 (https://github.com/CasualX/lde#6d8e2870)
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking array-init v0.1.1
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]    Compiling hashbrown v0.7.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking scarf v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `dest_and_op_register`
[INFO] [stdout]     --> src/disasm.rs:1126:8
[INFO] [stdout]      |
[INFO] [stdout] 1126 |     fn dest_and_op_register(&self, register: u8) -> DestAndOperand<'e> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde`
[INFO] [stdout]     --> src/operand.rs:1758:13
[INFO] [stdout]      |
[INFO] [stdout] 1758 |         use serde::de::DeserializeSeed;
[INFO] [stdout]      |             ^^^^^ use of undeclared crate or module `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde`
[INFO] [stdout]     --> src/operand.rs:1777:13
[INFO] [stdout]      |
[INFO] [stdout] 1777 |         use serde::de::DeserializeSeed;
[INFO] [stdout]      |             ^^^^^ use of undeclared crate or module `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde`
[INFO] [stdout]     --> src/operand.rs:1798:13
[INFO] [stdout]      |
[INFO] [stdout] 1798 |         use serde::de::DeserializeSeed;
[INFO] [stdout]      |             ^^^^^ use of undeclared crate or module `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `operand::Operand<'_>: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> src/operand.rs:1769:42
[INFO] [stdout]      |
[INFO] [stdout] 1769 |         let json = serde_json::to_string(&op).unwrap();
[INFO] [stdout]      |                                          ^^^ the trait `serde::ser::Serialize` is not implemented for `operand::Operand<'_>`
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.48/src/ser.rs:2233:8
[INFO] [stdout]      |
[INFO] [stdout] 2233 |     T: Serialize,
[INFO] [stdout]      |        --------- required by this bound in `serde_json::to_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deserialize_seed` found for reference `&operand::OperandContext<'_>` in the current scope
[INFO] [stdout]     --> src/operand.rs:1771:36
[INFO] [stdout]      |
[INFO] [stdout] 1771 |         let op2: Operand<'_> = ctx.deserialize_seed().deserialize(&mut des).unwrap();
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^^ method not found in `&operand::OperandContext<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `operand::Operand<'_>: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> src/operand.rs:1790:42
[INFO] [stdout]      |
[INFO] [stdout] 1790 |         let json = serde_json::to_string(&op).unwrap();
[INFO] [stdout]      |                                          ^^^ the trait `serde::ser::Serialize` is not implemented for `operand::Operand<'_>`
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.48/src/ser.rs:2233:8
[INFO] [stdout]      |
[INFO] [stdout] 2233 |     T: Serialize,
[INFO] [stdout]      |        --------- required by this bound in `serde_json::to_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deserialize_seed` found for reference `&operand::OperandContext<'_>` in the current scope
[INFO] [stdout]     --> src/operand.rs:1792:36
[INFO] [stdout]      |
[INFO] [stdout] 1792 |         let op2: Operand<'_> = ctx.deserialize_seed().deserialize(&mut des).unwrap();
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^^ method not found in `&operand::OperandContext<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deserialize_seed` found for reference `&operand::OperandContext<'_>` in the current scope
[INFO] [stdout]     --> src/operand.rs:1848:36
[INFO] [stdout]      |
[INFO] [stdout] 1848 |         let op2: Operand<'_> = ctx.deserialize_seed().deserialize(&mut des).unwrap();
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^^ method not found in `&operand::OperandContext<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `operand::Operand<'e>: serde::ser::Serialize` is not satisfied
[INFO] [stdout]  --> src/operand/simplify_tests.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let bytes = config.serialize(&op).unwrap();
[INFO] [stdout]   |                                  ^^^ the trait `serde::ser::Serialize` is not implemented for `operand::Operand<'e>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deserialize_seed` found for reference `&'e operand::OperandContext<'e>` in the current scope
[INFO] [stdout]  --> src/operand/simplify_tests.rs:6:57
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let back: Operand<'e> = config.deserialize_seed(ctx.deserialize_seed(), &bytes).unwrap();
[INFO] [stdout]   |                                                         ^^^^^^^^^^^^^^^^ method not found in `&'e operand::OperandContext<'e>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scarf`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a0dbb3824539b2e8736f080d765e3c71c64dba1ffcb8ccf176ab6bc40a9e2647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0dbb3824539b2e8736f080d765e3c71c64dba1ffcb8ccf176ab6bc40a9e2647", kill_on_drop: false }`
[INFO] [stdout] a0dbb3824539b2e8736f080d765e3c71c64dba1ffcb8ccf176ab6bc40a9e2647