[INFO] cloning repository https://github.com/ultrasaurus/rust-uri-comparison
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ultrasaurus/rust-uri-comparison" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fultrasaurus%2Frust-uri-comparison", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fultrasaurus%2Frust-uri-comparison'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d18e09f4d4f906c926437641148ef41638b03ce
[INFO] checking ultrasaurus/rust-uri-comparison against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fultrasaurus%2Frust-uri-comparison" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ultrasaurus/rust-uri-comparison
[INFO] finished tweaking git repo https://github.com/ultrasaurus/rust-uri-comparison
[INFO] tweaked toml for git repo https://github.com/ultrasaurus/rust-uri-comparison written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ultrasaurus/rust-uri-comparison on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ultrasaurus/rust-uri-comparison 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-io v0.1.12
[INFO] [stderr]   Downloaded tokio-executor v0.1.7
[INFO] [stderr]   Downloaded either v1.5.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.1
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.14
[INFO] [stderr]   Downloaded httparse v1.3.3
[INFO] [stderr]   Downloaded tokio-reactor v0.1.9
[INFO] [stderr]   Downloaded tokio-tcp v0.1.3
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.5
[INFO] [stderr]   Downloaded tokio-trace-core v0.2.0
[INFO] [stderr]   Downloaded indexmap v1.0.2
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.6
[INFO] [stderr]   Downloaded tokio-timer v0.2.11
[INFO] [stderr]   Downloaded tokio-sync v0.1.6
[INFO] [stderr]   Downloaded hyper v0.12.31
[INFO] [stderr]   Downloaded http v0.1.17
[INFO] [stderr]   Downloaded tokio v0.1.21
[INFO] [stderr]   Downloaded futures v0.1.28
[INFO] [stderr]   Downloaded uriparse v0.6.1
[INFO] [stderr]   Downloaded h2 v0.1.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18f32b04d49d504e3e06c67195b6d2e0b68458fb6d3b8c283a1125c4fdc24422
[INFO] running `Command { std: "docker" "start" "-a" "18f32b04d49d504e3e06c67195b6d2e0b68458fb6d3b8c283a1125c4fdc24422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18f32b04d49d504e3e06c67195b6d2e0b68458fb6d3b8c283a1125c4fdc24422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f32b04d49d504e3e06c67195b6d2e0b68458fb6d3b8c283a1125c4fdc24422", kill_on_drop: false }`
[INFO] [stdout] 18f32b04d49d504e3e06c67195b6d2e0b68458fb6d3b8c283a1125c4fdc24422
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a8bbe741853664efcdca13ae7a8b1a08435a2f0764fd69f4ae96250b70b7d30
[INFO] running `Command { std: "docker" "start" "-a" "2a8bbe741853664efcdca13ae7a8b1a08435a2f0764fd69f4ae96250b70b7d30", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling hyper v0.12.31
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking tokio-trace-core v0.2.0
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking uriparse v0.6.1
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/uriparse-0.6.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(non_exhaustive)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `non_exhaustive` has been stable since `1.40.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uriparse` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2a8bbe741853664efcdca13ae7a8b1a08435a2f0764fd69f4ae96250b70b7d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a8bbe741853664efcdca13ae7a8b1a08435a2f0764fd69f4ae96250b70b7d30", kill_on_drop: false }`
[INFO] [stdout] 2a8bbe741853664efcdca13ae7a8b1a08435a2f0764fd69f4ae96250b70b7d30
