[INFO] fetching crate webrtc-sdp 0.3.10...
[INFO] checking webrtc-sdp-0.3.10 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate webrtc-sdp 0.3.10 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate webrtc-sdp 0.3.10 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webrtc-sdp 0.3.10
[INFO] finished tweaking crates.io crate webrtc-sdp 0.3.10
[INFO] tweaked toml for crates.io crate webrtc-sdp 0.3.10 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate webrtc-sdp 0.3.10 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a032478b7b4af34c5ba084aa2da566ebf22b807f79cc328eef364337849c8088
[INFO] running `Command { std: "docker" "start" "-a" "a032478b7b4af34c5ba084aa2da566ebf22b807f79cc328eef364337849c8088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a032478b7b4af34c5ba084aa2da566ebf22b807f79cc328eef364337849c8088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a032478b7b4af34c5ba084aa2da566ebf22b807f79cc328eef364337849c8088", kill_on_drop: false }`
[INFO] [stdout] a032478b7b4af34c5ba084aa2da566ebf22b807f79cc328eef364337849c8088
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a40f8b899e64156bd55c64e01b2b7989af54d6beb850b53063993fa42791f11
[INFO] running `Command { std: "docker" "start" "-a" "3a40f8b899e64156bd55c64e01b2b7989af54d6beb850b53063993fa42791f11", kill_on_drop: false }`
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking webrtc-sdp v0.3.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Ipv4Addr` is imported redundantly
[INFO] [stdout]  --> src/./address_tests.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::*;
[INFO] [stdout]   |     -------- the item `Ipv4Addr` is already imported here
[INFO] [stdout] 7 | use std::error::Error;
[INFO] [stdout] 8 | use std::net::{AddrParseError, Ipv4Addr, Ipv6Addr};
[INFO] [stdout]   |                                ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ipv6Addr` is imported redundantly
[INFO] [stdout]  --> src/./address_tests.rs:8:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::*;
[INFO] [stdout]   |     -------- the item `Ipv6Addr` is already imported here
[INFO] [stdout] 7 | use std::error::Error;
[INFO] [stdout] 8 | use std::net::{AddrParseError, Ipv4Addr, Ipv6Addr};
[INFO] [stdout]   |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.33s
[INFO] running `Command { std: "docker" "inspect" "3a40f8b899e64156bd55c64e01b2b7989af54d6beb850b53063993fa42791f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a40f8b899e64156bd55c64e01b2b7989af54d6beb850b53063993fa42791f11", kill_on_drop: false }`
[INFO] [stdout] 3a40f8b899e64156bd55c64e01b2b7989af54d6beb850b53063993fa42791f11
[INFO] checking webrtc-sdp-0.3.10 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate webrtc-sdp 0.3.10 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate webrtc-sdp 0.3.10 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webrtc-sdp 0.3.10
[INFO] finished tweaking crates.io crate webrtc-sdp 0.3.10
[INFO] tweaked toml for crates.io crate webrtc-sdp 0.3.10 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate webrtc-sdp 0.3.10 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d8338ccf617fb66d7dacbed28cd88f8a36f4db7c4ddb3df7ec05130de13ff81
[INFO] running `Command { std: "docker" "start" "-a" "9d8338ccf617fb66d7dacbed28cd88f8a36f4db7c4ddb3df7ec05130de13ff81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d8338ccf617fb66d7dacbed28cd88f8a36f4db7c4ddb3df7ec05130de13ff81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d8338ccf617fb66d7dacbed28cd88f8a36f4db7c4ddb3df7ec05130de13ff81", kill_on_drop: false }`
[INFO] [stdout] 9d8338ccf617fb66d7dacbed28cd88f8a36f4db7c4ddb3df7ec05130de13ff81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b4efcf06301e836ad8ef8b824b0db18f3e87c0f61780ce43b58003ddd0a512b
[INFO] running `Command { std: "docker" "start" "-a" "1b4efcf06301e836ad8ef8b824b0db18f3e87c0f61780ce43b58003ddd0a512b", kill_on_drop: false }`
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking webrtc-sdp v0.3.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Ipv4Addr` is imported redundantly
[INFO] [stdout]  --> src/./address_tests.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::*;
[INFO] [stdout]   |     -------- the item `Ipv4Addr` is already imported here
[INFO] [stdout] 7 | use std::error::Error;
[INFO] [stdout] 8 | use std::net::{AddrParseError, Ipv4Addr, Ipv6Addr};
[INFO] [stdout]   |                                ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ipv6Addr` is imported redundantly
[INFO] [stdout]  --> src/./address_tests.rs:8:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::*;
[INFO] [stdout]   |     -------- the item `Ipv6Addr` is already imported here
[INFO] [stdout] 7 | use std::error::Error;
[INFO] [stdout] 8 | use std::net::{AddrParseError, Ipv4Addr, Ipv6Addr};
[INFO] [stdout]   |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.26s
[INFO] running `Command { std: "docker" "inspect" "1b4efcf06301e836ad8ef8b824b0db18f3e87c0f61780ce43b58003ddd0a512b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b4efcf06301e836ad8ef8b824b0db18f3e87c0f61780ce43b58003ddd0a512b", kill_on_drop: false }`
[INFO] [stdout] 1b4efcf06301e836ad8ef8b824b0db18f3e87c0f61780ce43b58003ddd0a512b