[INFO] fetching crate cifar-ten 0.2.1...
[INFO] checking cifar-ten-0.2.1 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate cifar-ten 0.2.1 into /workspace/builds/worker-48/source
[INFO] validating manifest of crates.io crate cifar-ten 0.2.1 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cifar-ten 0.2.1
[INFO] finished tweaking crates.io crate cifar-ten 0.2.1
[INFO] tweaked toml for crates.io crate cifar-ten 0.2.1 written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] crate crates.io crate cifar-ten 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40fa9352aada8cf85aad2595f4bb50fecb6f3c84d0436a6fb462ac22967ca3c4
[INFO] running `Command { std: "docker" "start" "-a" "40fa9352aada8cf85aad2595f4bb50fecb6f3c84d0436a6fb462ac22967ca3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40fa9352aada8cf85aad2595f4bb50fecb6f3c84d0436a6fb462ac22967ca3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40fa9352aada8cf85aad2595f4bb50fecb6f3c84d0436a6fb462ac22967ca3c4", kill_on_drop: false }`
[INFO] [stdout] 40fa9352aada8cf85aad2595f4bb50fecb6f3c84d0436a6fb462ac22967ca3c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61697abdbc504313b7c629be2b1c8fcb55b10c749679743a4af208c1c4006605
[INFO] running `Command { std: "docker" "start" "-a" "61697abdbc504313b7c629be2b1c8fcb55b10c749679743a4af208c1c4006605", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.1
[INFO] [stderr]     Checking cifar-ten v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:271:20
[INFO] [stdout]     |
[INFO] [stdout] 271 |               panic!(format!(
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 272 | |                 "Label is {}, which is inconsistent with the CIFAR-10 scheme",
[INFO] [stdout] 273 | |                 label
[INFO] [stdout] 274 | |             ));
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 271 ~             panic!(
[INFO] [stdout] 272 |                 "Label is {}, which is inconsistent with the CIFAR-10 scheme",
[INFO] [stdout] 273 |                 label
[INFO] [stdout] 274 ~             );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:271:20
[INFO] [stdout]     |
[INFO] [stdout] 271 |               panic!(format!(
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 272 | |                 "Label is {}, which is inconsistent with the CIFAR-10 scheme",
[INFO] [stdout] 273 | |                 label
[INFO] [stdout] 274 | |             ));
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 271 ~             panic!(
[INFO] [stdout] 272 |                 "Label is {}, which is inconsistent with the CIFAR-10 scheme",
[INFO] [stdout] 273 |                 label
[INFO] [stdout] 274 ~             );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.35s
[INFO] running `Command { std: "docker" "inspect" "61697abdbc504313b7c629be2b1c8fcb55b10c749679743a4af208c1c4006605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61697abdbc504313b7c629be2b1c8fcb55b10c749679743a4af208c1c4006605", kill_on_drop: false }`
[INFO] [stdout] 61697abdbc504313b7c629be2b1c8fcb55b10c749679743a4af208c1c4006605