[INFO] fetching crate smyl 0.1.4...
[INFO] testing smyl-0.1.4 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate smyl 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate smyl 0.1.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate smyl 0.1.4
[INFO] tweaked toml for crates.io crate smyl 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate smyl 0.1.4 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate smyl 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac9a853109a79967e4564704f1d211f14a55902ee18cf4af7ae7f0ae0b88915c
[INFO] running `Command { std: "docker" "start" "-a" "ac9a853109a79967e4564704f1d211f14a55902ee18cf4af7ae7f0ae0b88915c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac9a853109a79967e4564704f1d211f14a55902ee18cf4af7ae7f0ae0b88915c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac9a853109a79967e4564704f1d211f14a55902ee18cf4af7ae7f0ae0b88915c", kill_on_drop: false }`
[INFO] [stdout] ac9a853109a79967e4564704f1d211f14a55902ee18cf4af7ae7f0ae0b88915c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85db4807c6bcfcaeff09f446c2bc2216e9a4fc3c4ee8f289722867ebe4885b71
[INFO] running `Command { std: "docker" "start" "-a" "85db4807c6bcfcaeff09f446c2bc2216e9a4fc3c4ee8f289722867ebe4885b71", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling smyl v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.03s
[INFO] running `Command { std: "docker" "inspect" "85db4807c6bcfcaeff09f446c2bc2216e9a4fc3c4ee8f289722867ebe4885b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85db4807c6bcfcaeff09f446c2bc2216e9a4fc3c4ee8f289722867ebe4885b71", kill_on_drop: false }`
[INFO] [stdout] 85db4807c6bcfcaeff09f446c2bc2216e9a4fc3c4ee8f289722867ebe4885b71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d15181f688971c53c8251272b2fda47d09d2e288ff21f656d65d69f5e233acd5
[INFO] running `Command { std: "docker" "start" "-a" "d15181f688971c53c8251272b2fda47d09d2e288ff21f656d65d69f5e233acd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling serde_json v1.0.127
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling plotters-backend v0.3.6
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling clap_builder v4.5.17
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling plotters-svg v0.3.6
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling plotters v0.3.6
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling clap v4.5.17
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling smyl v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stdout] error: cannot find macro `ann` in this scope
[INFO] [stdout]  --> examples/macro.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut ann = ann!(4, 6, 4);
[INFO] [stdout]   |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `mat` in this scope
[INFO] [stdout]  --> examples/macro.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let input = mat!(1.0 0.0 1.0 0.5);
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `mat` in this scope
[INFO] [stdout]  --> examples/macro.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let expected = mat!(1.0 0.0 0.0 0.0);
[INFO] [stdout]   |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `smyl::prelude::*`
[INFO] [stdout]  --> examples/macro.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use smyl::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smyl` (example "macro") due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: couldn't read `examples/mnist/../../datasets/mnist/train-labels-idx1-ubyte.gz`: No such file or directory (os error 2)
[INFO] [stdout]   --> examples/mnist/main.rs:64:70
[INFO] [stdout]    |
[INFO] [stdout] 64 |           let mut train_labels_reader: Reader<Label> = Reader::try_new(include_bytes!(
[INFO] [stdout]    |  ______________________________________________________________________^
[INFO] [stdout] 65 | |             "../../datasets/mnist/train-labels-idx1-ubyte.gz"
[INFO] [stdout] 66 | |         ))?;
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `examples/mnist/../../datasets/mnist/train-images-idx3-ubyte.gz`: No such file or directory (os error 2)
[INFO] [stdout]   --> examples/mnist/main.rs:67:70
[INFO] [stdout]    |
[INFO] [stdout] 67 |           let mut train_images_reader: Reader<Image> = Reader::try_new(include_bytes!(
[INFO] [stdout]    |  ______________________________________________________________________^
[INFO] [stdout] 68 | |             "../../datasets/mnist/train-images-idx3-ubyte.gz"
[INFO] [stdout] 69 | |         ))?;
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `examples/mnist/../../datasets/mnist/t10k-labels-idx1-ubyte.gz`: No such file or directory (os error 2)
[INFO] [stdout]   --> examples/mnist/main.rs:70:69
[INFO] [stdout]    |
[INFO] [stdout] 70 |           let mut test_labels_reader: Reader<Label> = Reader::try_new(include_bytes!(
[INFO] [stdout]    |  _____________________________________________________________________^
[INFO] [stdout] 71 | |             "../../datasets/mnist/t10k-labels-idx1-ubyte.gz"
[INFO] [stdout] 72 | |         ))?;
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `examples/mnist/../../datasets/mnist/t10k-images-idx3-ubyte.gz`: No such file or directory (os error 2)
[INFO] [stdout]   --> examples/mnist/main.rs:73:69
[INFO] [stdout]    |
[INFO] [stdout] 73 |           let mut test_images_reader: Reader<Image> = Reader::try_new(include_bytes!(
[INFO] [stdout]    |  _____________________________________________________________________^
[INFO] [stdout] 74 | |             "../../datasets/mnist/t10k-images-idx3-ubyte.gz"
[INFO] [stdout] 75 | |         ))?;
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `ann` in this scope
[INFO] [stdout]    --> examples/mnist/main.rs:125:19
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let mut ann = ann!(784, 60, 60, 10);
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stdout]   --> examples/mnist/main.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Read for Image {
[INFO] [stdout]    |      ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these traits
[INFO] [stdout]    |
[INFO] [stdout]  3 + use std::io::Read;
[INFO] [stdout]    |
[INFO] [stdout]  3 + use serde_json::de::Read;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Reader` in this scope
[INFO] [stdout]   --> examples/mnist/main.rs:21:29
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn read<T>(reader: &mut Reader<T>) -> std::io::Result<Self> {
[INFO] [stdout]    |                             ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Idx` in this scope
[INFO] [stdout]   --> examples/mnist/main.rs:29:6
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Idx for Image {
[INFO] [stdout]    |      ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Read` in this scope
[INFO] [stdout]   --> examples/mnist/main.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Read for Label {
[INFO] [stdout]    |      ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these traits
[INFO] [stdout]    |
[INFO] [stdout]  3 + use std::io::Read;
[INFO] [stdout]    |
[INFO] [stdout]  3 + use serde_json::de::Read;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Reader` in this scope
[INFO] [stdout]   --> examples/mnist/main.rs:36:29
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn read<T>(reader: &mut Reader<T>) -> std::io::Result<Self> { Ok(Self(reader.read_other()?)) }
[INFO] [stdout]    |                             ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Idx` in this scope
[INFO] [stdout]   --> examples/mnist/main.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Idx for Label {
[INFO] [stdout]    |      ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Reader` in this scope
[INFO] [stdout]   --> examples/mnist/main.rs:64:38
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut train_labels_reader: Reader<Label> = Reader::try_new(include_bytes!(
[INFO] [stdout]    |                                      ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Reader` in this scope
[INFO] [stdout]   --> examples/mnist/main.rs:67:38
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let mut train_images_reader: Reader<Image> = Reader::try_new(include_bytes!(
[INFO] [stdout]    |                                      ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Reader` in this scope
[INFO] [stdout]   --> examples/mnist/main.rs:70:37
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut test_labels_reader: Reader<Label> = Reader::try_new(include_bytes!(
[INFO] [stdout]    |                                     ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Reader` in this scope
[INFO] [stdout]   --> examples/mnist/main.rs:73:37
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let mut test_images_reader: Reader<Image> = Reader::try_new(include_bytes!(
[INFO] [stdout]    |                                     ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Reader` in this scope
[INFO] [stdout]   --> examples/mnist/main.rs:64:54
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut train_labels_reader: Reader<Label> = Reader::try_new(include_bytes!(
[INFO] [stdout]    |                                                      ^^^^^^ use of undeclared type `Reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Reader` in this scope
[INFO] [stdout]   --> examples/mnist/main.rs:67:54
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let mut train_images_reader: Reader<Image> = Reader::try_new(include_bytes!(
[INFO] [stdout]    |                                                      ^^^^^^ use of undeclared type `Reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Reader` in this scope
[INFO] [stdout]   --> examples/mnist/main.rs:70:53
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut test_labels_reader: Reader<Label> = Reader::try_new(include_bytes!(
[INFO] [stdout]    |                                                     ^^^^^^ use of undeclared type `Reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Reader` in this scope
[INFO] [stdout]   --> examples/mnist/main.rs:73:53
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let mut test_images_reader: Reader<Image> = Reader::try_new(include_bytes!(
[INFO] [stdout]    |                                                     ^^^^^^ use of undeclared type `Reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smyl` (example "mnist") due to 19 previous errors
[INFO] running `Command { std: "docker" "inspect" "d15181f688971c53c8251272b2fda47d09d2e288ff21f656d65d69f5e233acd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d15181f688971c53c8251272b2fda47d09d2e288ff21f656d65d69f5e233acd5", kill_on_drop: false }`
[INFO] [stdout] d15181f688971c53c8251272b2fda47d09d2e288ff21f656d65d69f5e233acd5