[INFO] cloning repository https://github.com/calmofthestorm/routerbolt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/calmofthestorm/routerbolt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalmofthestorm%2Frouterbolt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalmofthestorm%2Frouterbolt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e66498adb79614d578e236963e42322b212e177
[INFO] checking calmofthestorm/routerbolt against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalmofthestorm%2Frouterbolt" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/calmofthestorm/routerbolt on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/calmofthestorm/routerbolt
[INFO] finished tweaking git repo https://github.com/calmofthestorm/routerbolt
[INFO] tweaked toml for git repo https://github.com/calmofthestorm/routerbolt written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/calmofthestorm/routerbolt 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded boolinator v2.4.0
[INFO] [stderr]   Downloaded gloo-file v0.1.0
[INFO] [stderr]   Downloaded cfg-match v0.2.1
[INFO] [stderr]   Downloaded gloo-events v0.1.1
[INFO] [stderr]   Downloaded gloo-console-timer v0.1.0
[INFO] [stderr]   Downloaded gloo-timers v0.2.1
[INFO] [stderr]   Downloaded anymap v0.12.1
[INFO] [stderr]   Downloaded yew-macro v0.18.0
[INFO] [stderr]   Downloaded gloo v0.2.1
[INFO] [stderr]   Downloaded yew v0.18.0
[INFO] [stderr]   Downloaded anyhow v1.0.44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fb31048cab9c03e0be69d2eb3b4e3ac6b4269af9f1253c22016135e5e74053e
[INFO] running `Command { std: "docker" "start" "-a" "1fb31048cab9c03e0be69d2eb3b4e3ac6b4269af9f1253c22016135e5e74053e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fb31048cab9c03e0be69d2eb3b4e3ac6b4269af9f1253c22016135e5e74053e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb31048cab9c03e0be69d2eb3b4e3ac6b4269af9f1253c22016135e5e74053e", kill_on_drop: false }`
[INFO] [stdout] 1fb31048cab9c03e0be69d2eb3b4e3ac6b4269af9f1253c22016135e5e74053e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ea6910f2ce11a704c3e94b3c9b87a5bb34bff35eb093ec4981f05b213177f9e
[INFO] running `Command { std: "docker" "start" "-a" "5ea6910f2ce11a704c3e94b3c9b87a5bb34bff35eb093ec4981f05b213177f9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.78
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v3.8.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.78
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling yew v0.18.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking routerbolt v0.1.0 (/opt/rustwide/workdir/routerbolt)
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking cfg-match v0.2.1
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]  --> routerbolt/src/ir/util.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::AsRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `AsRef` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]   --> routerbolt/src/types/mod.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::convert::{AsRef, TryFrom};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `AsRef` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]  --> routerbolt/src/ir/util.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::AsRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `AsRef` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]   --> routerbolt/src/types/mod.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::convert::{AsRef, TryFrom};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `AsRef` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> routerbolt/src/ir/function.rs:94:41
[INFO] [stdout]    |
[INFO] [stdout] 94 |             let ret = Term::try_from(ret.clone())
[INFO] [stdout]    |                                         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> routerbolt/src/ir/function.rs:94:41
[INFO] [stdout]    |
[INFO] [stdout] 94 |             let ret = Term::try_from(ret.clone())
[INFO] [stdout]    |                                         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Context` is imported redundantly
[INFO] [stdout]  --> routerbolt/src/bin/simulator.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::Context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |
[INFO] [stdout] 5 | use routerbolt::*;
[INFO] [stdout]   |     ------------- the item `Context` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Context` is imported redundantly
[INFO] [stdout]  --> routerbolt/src/bin/simulator.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::Context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |
[INFO] [stdout] 5 | use routerbolt::*;
[INFO] [stdout]   |     ------------- the item `Context` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]  --> routerbolt/src/bin/compiler.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::AsRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `AsRef` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Context` is imported redundantly
[INFO] [stdout]  --> routerbolt/src/bin/compiler.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use anyhow::Context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |
[INFO] [stdout] 6 | use routerbolt::*;
[INFO] [stdout]   |     ------------- the item `Context` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]  --> routerbolt/src/bin/compiler.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::AsRef;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `AsRef` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Context` is imported redundantly
[INFO] [stdout]  --> routerbolt/src/bin/compiler.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use anyhow::Context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |
[INFO] [stdout] 6 | use routerbolt::*;
[INFO] [stdout]   |     ------------- the item `Context` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.78
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling yew-macro v0.18.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.78
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.78
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking js-sys v0.3.55
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking web-sys v0.3.55
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.28
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking gloo-events v0.1.1
[INFO] [stderr]     Checking gloo-console-timer v0.1.0
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking gloo-file v0.1.0
[INFO] [stderr]     Checking gloo v0.2.1
[INFO] [stderr]     Checking routerbolt_web v0.1.0 (/opt/rustwide/workdir/web)
[INFO] [stdout] warning: the item `Context` is imported redundantly
[INFO] [stdout]  --> web/src/bin/web.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::{Context, Result};
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 | use routerbolt::*;
[INFO] [stdout]   |     ------------- the item `Context` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> web/src/bin/web.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::{Context, Result};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 | use routerbolt::*;
[INFO] [stdout]   |     ------------- the item `Result` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Context` is imported redundantly
[INFO] [stdout]  --> web/src/bin/web.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::{Context, Result};
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 | use routerbolt::*;
[INFO] [stdout]   |     ------------- the item `Context` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> web/src/bin/web.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::{Context, Result};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 | use routerbolt::*;
[INFO] [stdout]   |     ------------- the item `Result` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.24s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.78
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "5ea6910f2ce11a704c3e94b3c9b87a5bb34bff35eb093ec4981f05b213177f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea6910f2ce11a704c3e94b3c9b87a5bb34bff35eb093ec4981f05b213177f9e", kill_on_drop: false }`
[INFO] [stdout] 5ea6910f2ce11a704c3e94b3c9b87a5bb34bff35eb093ec4981f05b213177f9e