[INFO] cloning repository https://github.com/fabracht/ice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fabracht/ice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabracht%2Fice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabracht%2Fice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9952128e9f9f8c9e726f231a29572ebdf6640d1
[INFO] building fabracht/ice against try#9a3ef2cd3ecaae3c6ef59768612837d797602a6d for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabracht%2Fice" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fabracht/ice on toolchain 9a3ef2cd3ecaae3c6ef59768612837d797602a6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fabracht/ice
[INFO] finished tweaking git repo https://github.com/fabracht/ice
[INFO] tweaked toml for git repo https://github.com/fabracht/ice written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/fabracht/ice 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" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "fetch" "--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-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d83cb69b05270b021df6093363362ed47014814eab369696035b54429e3d0c45
[INFO] running `Command { std: "docker" "start" "-a" "d83cb69b05270b021df6093363362ed47014814eab369696035b54429e3d0c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d83cb69b05270b021df6093363362ed47014814eab369696035b54429e3d0c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d83cb69b05270b021df6093363362ed47014814eab369696035b54429e3d0c45", kill_on_drop: false }`
[INFO] [stdout] d83cb69b05270b021df6093363362ed47014814eab369696035b54429e3d0c45
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72f5707de5407b19e3e7695f6b7f44a6590f90ac0bcd3d6164839357f333f866
[INFO] running `Command { std: "docker" "start" "-a" "72f5707de5407b19e3e7695f6b7f44a6590f90ac0bcd3d6164839357f333f866", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling webrtc-util v0.5.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling crc-catalog v1.1.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling mio v0.8.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling crypto-common v0.1.3
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling digest v0.10.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling md-5 v0.10.1
[INFO] [stderr]    Compiling http v0.2.6
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling crc v2.1.0
[INFO] [stderr]    Compiling tracing-core v0.1.22
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling tracing v0.1.31
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling waitgroup v0.1.2
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling clap v3.1.5
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling h2 v0.3.11
[INFO] [stderr]    Compiling stun v0.4.2
[INFO] [stderr]    Compiling webrtc-mdns v0.4.2
[INFO] [stderr]    Compiling turn v0.5.4
[INFO] [stderr]    Compiling hyper v0.14.17
[INFO] [stderr]    Compiling webrtc-ice v0.6.6
[INFO] [stderr]    Compiling ice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `App`
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use clap::{App, AppSettings, Arg, Command};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `clap::App`: Replaced with `Command`
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use clap::{App, AppSettings, Arg, Command};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClientConnector` is never constructed
[INFO] [stdout]  --> src/client.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct ClientConnector {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/client.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl ClientConnector {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "72f5707de5407b19e3e7695f6b7f44a6590f90ac0bcd3d6164839357f333f866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72f5707de5407b19e3e7695f6b7f44a6590f90ac0bcd3d6164839357f333f866", kill_on_drop: false }`
[INFO] [stdout] 72f5707de5407b19e3e7695f6b7f44a6590f90ac0bcd3d6164839357f333f866
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3af758397f5fe3e6253588543a9c67e25959dfdb128d92afb09a1bb73f9bfaef
[INFO] running `Command { std: "docker" "start" "-a" "3af758397f5fe3e6253588543a9c67e25959dfdb128d92afb09a1bb73f9bfaef", kill_on_drop: false }`
[INFO] [stderr]    Compiling ice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `App`
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use clap::{App, AppSettings, Arg, Command};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `clap::App`: Replaced with `Command`
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use clap::{App, AppSettings, Arg, Command};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClientConnector` is never constructed
[INFO] [stdout]  --> src/client.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct ClientConnector {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/client.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl ClientConnector {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "3af758397f5fe3e6253588543a9c67e25959dfdb128d92afb09a1bb73f9bfaef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af758397f5fe3e6253588543a9c67e25959dfdb128d92afb09a1bb73f9bfaef", kill_on_drop: false }`
[INFO] [stdout] 3af758397f5fe3e6253588543a9c67e25959dfdb128d92afb09a1bb73f9bfaef