[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] 7d7620aca26c7c252596008f05b8de4ea30f1ce8
[INFO] checking neivv/scarf against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneivv%2Fscarf" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neivv/scarf on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 7429891e2df42989042c5312526fbd2bcb349d6b8624e599d11044b8fa2e7b02
[INFO] running `Command { std: "docker" "start" "-a" "7429891e2df42989042c5312526fbd2bcb349d6b8624e599d11044b8fa2e7b02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7429891e2df42989042c5312526fbd2bcb349d6b8624e599d11044b8fa2e7b02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7429891e2df42989042c5312526fbd2bcb349d6b8624e599d11044b8fa2e7b02", kill_on_drop: false }`
[INFO] [stdout] 7429891e2df42989042c5312526fbd2bcb349d6b8624e599d11044b8fa2e7b02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6536d6437e39a62aafe5e98695d8853eca6c50ac77d1de9181b21e84a022e725
[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" "6536d6437e39a62aafe5e98695d8853eca6c50ac77d1de9181b21e84a022e725", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking array-init v2.0.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking lde v0.3.0 (https://github.com/CasualX/lde?rev=6d8e287075eae41d0c6bae4c2f3a54268e0f8b4a#6d8e2870)
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking scarf v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde`
[INFO] [stdout]     --> src/operand.rs:1919:13
[INFO] [stdout]      |
[INFO] [stdout] 1919 |         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:1938:13
[INFO] [stdout]      |
[INFO] [stdout] 1938 |         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:1959:13
[INFO] [stdout]      |
[INFO] [stdout] 1959 |         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:1930:42
[INFO] [stdout]      |
[INFO] [stdout] 1930 |         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-1.0.64/src/ser.rs:2221:17
[INFO] [stdout]      |
[INFO] [stdout] 2221 |     T: ?Sized + 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:1932:36
[INFO] [stdout]      |
[INFO] [stdout] 1932 |         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:1951:42
[INFO] [stdout]      |
[INFO] [stdout] 1951 |         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-1.0.64/src/ser.rs:2221:17
[INFO] [stdout]      |
[INFO] [stdout] 2221 |     T: ?Sized + 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:1953:36
[INFO] [stdout]      |
[INFO] [stdout] 1953 |         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:2009:36
[INFO] [stdout]      |
[INFO] [stdout] 2009 |         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" "6536d6437e39a62aafe5e98695d8853eca6c50ac77d1de9181b21e84a022e725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6536d6437e39a62aafe5e98695d8853eca6c50ac77d1de9181b21e84a022e725", kill_on_drop: false }`
[INFO] [stdout] 6536d6437e39a62aafe5e98695d8853eca6c50ac77d1de9181b21e84a022e725