[INFO] fetching crate kiddo 0.1.2... [INFO] checking kiddo-0.1.2 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073 [INFO] extracting crate kiddo 0.1.2 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate kiddo 0.1.2 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate kiddo 0.1.2 [INFO] finished tweaking crates.io crate kiddo 0.1.2 [INFO] tweaked toml for crates.io crate kiddo 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d744fd87bb6c45e65287717df1d99ad53709b16bcd08b8635e993f1ac531de94 [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" "d744fd87bb6c45e65287717df1d99ad53709b16bcd08b8635e993f1ac531de94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d744fd87bb6c45e65287717df1d99ad53709b16bcd08b8635e993f1ac531de94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d744fd87bb6c45e65287717df1d99ad53709b16bcd08b8635e993f1ac531de94", kill_on_drop: false }` [INFO] [stdout] d744fd87bb6c45e65287717df1d99ad53709b16bcd08b8635e993f1ac531de94 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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] 6c0d197b6449de4322256934d48e1f5eb10b65015fccbea9f95625279830ea3d [INFO] running `Command { std: "docker" "start" "-a" "6c0d197b6449de4322256934d48e1f5eb10b65015fccbea9f95625279830ea3d", kill_on_drop: false }` [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking plotters-backend v0.3.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.4 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking kiddo v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde` [INFO] [stdout] --> src/custom_serde.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | use serde::{ [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/custom_serde.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | use serde::{ [INFO] [stdout] | ^^^^^ use of undeclared crate or module `serde` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `serde` [INFO] [stdout] --> src/custom_serde.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | use serde::{ [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/custom_serde.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | use serde::ser::SerializeSeq; [INFO] [stdout] | ^^^^^ use of undeclared crate or module `serde` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `serde` [INFO] [stdout] --> src/custom_serde.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | use serde::{ [INFO] [stdout] | ^^^^^ use of undeclared crate or module `serde` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking plotters-svg v0.3.0 [INFO] [stdout] error: cannot find attribute `serde` in this scope [INFO] [stdout] --> src/kiddo.rs:30:11 [INFO] [stdout] | [INFO] [stdout] 30 | #[serde(with = "vec_arrays")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `serde` in this scope [INFO] [stdout] --> src/kiddo.rs:15:7 [INFO] [stdout] | [INFO] [stdout] 15 | #[serde(with = "arrays")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `serde` in this scope [INFO] [stdout] --> src/kiddo.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | #[serde(with = "arrays")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0405]: cannot find trait `Visitor` in this scope [INFO] [stdout] --> src/custom_serde.rs:23:34 [INFO] [stdout] | [INFO] [stdout] 23 | impl<'de, T, const N: usize> Visitor<'de> for ArrayVisitor [INFO] [stdout] | ^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0405]: cannot find trait `SeqAccess` in this scope [INFO] [stdout] --> src/custom_serde.rs:36:20 [INFO] [stdout] | [INFO] [stdout] 36 | A: SeqAccess<'de>, [INFO] [stdout] | ^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde` [INFO] [stdout] --> src/custom_serde.rs:43:51 [INFO] [stdout] | [INFO] [stdout] 43 | None => return Err(serde::de::Error::invalid_length(N, &self)), [INFO] [stdout] | ^^^^^ not found in `serde::de` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these items [INFO] [stdout] | [INFO] [stdout] 2 | use core::fmt::Error; [INFO] [stdout] | [INFO] [stdout] 2 | use std::error::Error; [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::Error; [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::Error; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0405]: cannot find trait `Visitor` in this scope [INFO] [stdout] --> src/custom_serde.rs:86:34 [INFO] [stdout] | [INFO] [stdout] 86 | impl<'de, T, const N: usize> Visitor<'de> for VecArrayVisitor [INFO] [stdout] | ^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0405]: cannot find trait `SeqAccess` in this scope [INFO] [stdout] --> src/custom_serde.rs:99:20 [INFO] [stdout] | [INFO] [stdout] 99 | A: SeqAccess<'de>, [INFO] [stdout] | ^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde` [INFO] [stdout] --> src/custom_serde.rs:115:55 [INFO] [stdout] | [INFO] [stdout] 115 | None => return Err(serde::de::Error::invalid_length(N, &self)), [INFO] [stdout] | ^^^^^ not found in `serde::de` [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these items [INFO] [stdout] | [INFO] [stdout] 62 | use core::fmt::Error; [INFO] [stdout] | [INFO] [stdout] 62 | use std::error::Error; [INFO] [stdout] | [INFO] [stdout] 62 | use std::fmt::Error; [INFO] [stdout] | [INFO] [stdout] 62 | use std::io::Error; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(const_generics)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #44580 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::custom_serde::*` [INFO] [stdout] --> src/kiddo.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::custom_serde::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 14 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0405, E0432, E0433. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0405`. [INFO] [stdout] [INFO] [stderr] error: could not compile `kiddo` [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] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "6c0d197b6449de4322256934d48e1f5eb10b65015fccbea9f95625279830ea3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c0d197b6449de4322256934d48e1f5eb10b65015fccbea9f95625279830ea3d", kill_on_drop: false }` [INFO] [stdout] 6c0d197b6449de4322256934d48e1f5eb10b65015fccbea9f95625279830ea3d