[INFO] fetching crate torchbearer 0.3.6...
[INFO] checking torchbearer-0.3.6 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate torchbearer 0.3.6 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate torchbearer 0.3.6 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate torchbearer 0.3.6
[INFO] finished tweaking crates.io crate torchbearer 0.3.6
[INFO] tweaked toml for crates.io crate torchbearer 0.3.6 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bracket-geometry v0.8.2
[INFO] [stderr]   Downloaded bracket-pathfinding v0.8.4
[INFO] [stderr]   Downloaded ultraviolet v0.7.5
[INFO] [stderr]   Downloaded bracket-algorithm-traits v0.8.2
[INFO] [stderr]   Downloaded tcod v0.15.0
[INFO] [stderr]   Downloaded wide v0.5.5
[INFO] [stderr]   Downloaded tcod-sys v5.0.1
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3becf7db30ceeceb45739cb337cfb36caf7415d79706e392ac7b3e781b658fd
[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" "b3becf7db30ceeceb45739cb337cfb36caf7415d79706e392ac7b3e781b658fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3becf7db30ceeceb45739cb337cfb36caf7415d79706e392ac7b3e781b658fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3becf7db30ceeceb45739cb337cfb36caf7415d79706e392ac7b3e781b658fd", kill_on_drop: false }`
[INFO] [stdout] b3becf7db30ceeceb45739cb337cfb36caf7415d79706e392ac7b3e781b658fd
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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] 9d6feb43d6313a19978e84a24958ff81bf430a6ea8045cabfa1096a594707ab4
[INFO] running `Command { std: "docker" "start" "-a" "9d6feb43d6313a19978e84a24958ff81bf430a6ea8045cabfa1096a594707ab4", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking bitflags v0.1.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking torchbearer v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/fov.rs:227:16
[INFO] [stdout]     |
[INFO] [stdout] 227 |           panic!(format!(
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 228 | |             "(x, y) should be between (0,0) and ({}, {}), got ({}, {})",
[INFO] [stdout] 229 | |             width, height, x, y
[INFO] [stdout] 230 | |         ));
[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] 227 |         panic!(
[INFO] [stdout] 228 |             "(x, y) should be between (0,0) and ({}, {}), got ({}, {})",
[INFO] [stdout] 229 |             width, height, x, y
[INFO] [stdout] 230 |         );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking wide v0.5.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling tcod-sys v5.0.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking ultraviolet v0.7.5
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking bracket-geometry v0.8.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking bracket-algorithm-traits v0.8.2
[INFO] [stderr]     Checking bracket-pathfinding v0.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Checking tcod v0.15.0
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> benches/fov.rs:52:20
[INFO] [stdout]    |
[INFO] [stdout] 52 |               panic!(format!(
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 53 | |                 "Width and height should be > 0, got ({},{})",
[INFO] [stdout] 54 | |                 width, height
[INFO] [stdout] 55 | |             ));
[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] 52 |             panic!(
[INFO] [stdout] 53 |                 "Width and height should be > 0, got ({},{})",
[INFO] [stdout] 54 |                 width, height
[INFO] [stdout] 55 |             );
[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/fov.rs:227:16
[INFO] [stdout]     |
[INFO] [stdout] 227 |           panic!(format!(
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 228 | |             "(x, y) should be between (0,0) and ({}, {}), got ({}, {})",
[INFO] [stdout] 229 | |             width, height, x, y
[INFO] [stdout] 230 | |         ));
[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] 227 |         panic!(
[INFO] [stdout] 228 |             "(x, y) should be between (0,0) and ({}, {}), got ({}, {})",
[INFO] [stdout] 229 |             width, height, x, y
[INFO] [stdout] 230 |         );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/fov.rs:339:24
[INFO] [stdout]     |
[INFO] [stdout] 339 |                   panic!(format!(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 340 | |                     "Width and height should be > 0, got ({},{})",
[INFO] [stdout] 341 | |                     width, height
[INFO] [stdout] 342 | |                 ));
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[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] 339 |                 panic!(
[INFO] [stdout] 340 |                     "Width and height should be > 0, got ({},{})",
[INFO] [stdout] 341 |                     width, height
[INFO] [stdout] 342 |                 );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.55s
[INFO] running `Command { std: "docker" "inspect" "9d6feb43d6313a19978e84a24958ff81bf430a6ea8045cabfa1096a594707ab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d6feb43d6313a19978e84a24958ff81bf430a6ea8045cabfa1096a594707ab4", kill_on_drop: false }`
[INFO] [stdout] 9d6feb43d6313a19978e84a24958ff81bf430a6ea8045cabfa1096a594707ab4