[INFO] fetching crate bluenoisers 1.1.1...
[INFO] checking bluenoisers-1.1.1 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate bluenoisers 1.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate bluenoisers 1.1.1 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bluenoisers 1.1.1
[INFO] finished tweaking crates.io crate bluenoisers 1.1.1
[INFO] tweaked toml for crates.io crate bluenoisers 1.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d11d48a2260ae4239e59138b02b3138ccaaf7caf3c14852ca97519b2cdae2539
[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" "d11d48a2260ae4239e59138b02b3138ccaaf7caf3c14852ca97519b2cdae2539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d11d48a2260ae4239e59138b02b3138ccaaf7caf3c14852ca97519b2cdae2539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d11d48a2260ae4239e59138b02b3138ccaaf7caf3c14852ca97519b2cdae2539", kill_on_drop: false }`
[INFO] [stdout] d11d48a2260ae4239e59138b02b3138ccaaf7caf3c14852ca97519b2cdae2539
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] 04bf5d9ba08b0236de34befd6f58faee16f4a45d78a2ed8b457404d5a8b9866e
[INFO] running `Command { std: "docker" "start" "-a" "04bf5d9ba08b0236de34befd6f58faee16f4a45d78a2ed8b457404d5a8b9866e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking bluenoisers v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:125:23
[INFO] [stdout]     |
[INFO] [stdout] 125 | /                       format!("Didn't check own idx.\n\tMin cells: {:?}\n\tMax cells: \
[INFO] [stdout] 126 | |                                {:?}\n\tself cells: {:?}",
[INFO] [stdout] 127 | |                               min_cell,
[INFO] [stdout] 128 | |                               max_cell,
[INFO] [stdout] 129 | |                               cell_id));
[INFO] [stdout]     | |______________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] 125 |                       "Didn't check own idx.\n\tMin cells: {:?}\n\tMax cells: \
[INFO] [stdout] 126 |                                {:?}\n\tself cells: {:?}",
[INFO] [stdout] 127 |                               min_cell,
[INFO] [stdout] 128 |                               max_cell,
[INFO] [stdout] 129 |                               cell_id);
[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:125:23
[INFO] [stdout]     |
[INFO] [stdout] 125 | /                       format!("Didn't check own idx.\n\tMin cells: {:?}\n\tMax cells: \
[INFO] [stdout] 126 | |                                {:?}\n\tself cells: {:?}",
[INFO] [stdout] 127 | |                               min_cell,
[INFO] [stdout] 128 | |                               max_cell,
[INFO] [stdout] 129 | |                               cell_id));
[INFO] [stdout]     | |______________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] 125 |                       "Didn't check own idx.\n\tMin cells: {:?}\n\tMax cells: \
[INFO] [stdout] 126 |                                {:?}\n\tself cells: {:?}",
[INFO] [stdout] 127 |                               min_cell,
[INFO] [stdout] 128 |                               max_cell,
[INFO] [stdout] 129 |                               cell_id);
[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 3.58s
[INFO] running `Command { std: "docker" "inspect" "04bf5d9ba08b0236de34befd6f58faee16f4a45d78a2ed8b457404d5a8b9866e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04bf5d9ba08b0236de34befd6f58faee16f4a45d78a2ed8b457404d5a8b9866e", kill_on_drop: false }`
[INFO] [stdout] 04bf5d9ba08b0236de34befd6f58faee16f4a45d78a2ed8b457404d5a8b9866e