[INFO] cloning repository https://github.com/dunnock/rustfest-webrtc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dunnock/rustfest-webrtc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdunnock%2Frustfest-webrtc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdunnock%2Frustfest-webrtc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca602c59d904e326be92d568d0a83ddb0c84b5c6
[INFO] testing dunnock/rustfest-webrtc against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdunnock%2Frustfest-webrtc" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dunnock/rustfest-webrtc on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dunnock/rustfest-webrtc
[INFO] finished tweaking git repo https://github.com/dunnock/rustfest-webrtc
[INFO] tweaked toml for git repo https://github.com/dunnock/rustfest-webrtc written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/dunnock/rustfest-webrtc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75e26184b776bfddd6268decaa1fdf5333c5cb1f418f904fd1fa2fb0834ffd19
[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" "75e26184b776bfddd6268decaa1fdf5333c5cb1f418f904fd1fa2fb0834ffd19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75e26184b776bfddd6268decaa1fdf5333c5cb1f418f904fd1fa2fb0834ffd19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75e26184b776bfddd6268decaa1fdf5333c5cb1f418f904fd1fa2fb0834ffd19", kill_on_drop: false }`
[INFO] [stdout] 75e26184b776bfddd6268decaa1fdf5333c5cb1f418f904fd1fa2fb0834ffd19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6ee555d89c5ee41f7d1ca74b4dc6282cae9dbdd48a44c1c33e70ca9a3bf0c05
[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" "f6ee555d89c5ee41f7d1ca74b4dc6282cae9dbdd48a44c1c33e70ca9a3bf0c05", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.5.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling anyhow v1.0.19
[INFO] [stderr]    Compiling gstreamer v0.14.5
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling muldiv v0.2.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
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[INFO] [stderr]    Compiling num-integer v0.1.41
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[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling glib-sys v0.9.0
[INFO] [stderr]    Compiling gobject-sys v0.9.0
[INFO] [stderr]    Compiling gstreamer-sys v0.8.0
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.9
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.11.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling input_buffer v0.2.0
[INFO] [stderr]    Compiling http v0.1.19
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha-1 v0.8.1
[INFO] [stderr]    Compiling glib v0.8.2
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling tungstenite v0.9.2 (https://github.com/snapview/tungstenite-rs#af1fe25e)
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.5
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
[INFO] [stderr]    Compiling structopt-derive v0.3.4
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-join-macro-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling tracing v0.1.10
[INFO] [stderr]    Compiling structopt v0.3.4
[INFO] [stderr]    Compiling pin-project v0.4.5
[INFO] [stderr]    Compiling tokio-io v0.2.0-alpha.6
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling tokio-codec v0.2.0-alpha.6
[INFO] [stderr]    Compiling tokio-tls v0.3.0-alpha.6
[INFO] [stderr]    Compiling tokio-sync v0.2.0-alpha.6
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling tokio-executor v0.2.0-alpha.6
[INFO] [stderr]    Compiling tokio-net v0.2.0-alpha.6
[INFO] [stderr]    Compiling tokio-fs v0.2.0-alpha.6
[INFO] [stderr]    Compiling tokio-timer v0.3.0-alpha.6
[INFO] [stderr]    Compiling tokio-tungstenite v0.10.0-alpha.1 (https://github.com/dbcfd/tokio-tungstenite?rev=tokio2#0c277996)
[INFO] [stderr]    Compiling tokio v0.2.0-alpha.6
[INFO] [stderr]    Compiling rustfest-webrtc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/main.rs:6:28
[INFO] [stdout]   |
[INFO] [stdout] 6 | use anyhow::{anyhow, bail, Context};
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `upgrade`
[INFO] [stdout]   --> src/main.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn upgrade(&self) -> Option<App> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `downgrade`
[INFO] [stdout]   --> src/main.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn downgrade(&self) -> AppWeak {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 41s
[INFO] running `Command { std: "docker" "inspect" "f6ee555d89c5ee41f7d1ca74b4dc6282cae9dbdd48a44c1c33e70ca9a3bf0c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6ee555d89c5ee41f7d1ca74b4dc6282cae9dbdd48a44c1c33e70ca9a3bf0c05", kill_on_drop: false }`
[INFO] [stdout] f6ee555d89c5ee41f7d1ca74b4dc6282cae9dbdd48a44c1c33e70ca9a3bf0c05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 132aa4c932f7d777282382d93fbdc16c4840ba6e60dec609c60d5fb63f46e21c
[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" "132aa4c932f7d777282382d93fbdc16c4840ba6e60dec609c60d5fb63f46e21c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustfest-webrtc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/main.rs:6:28
[INFO] [stdout]   |
[INFO] [stdout] 6 | use anyhow::{anyhow, bail, Context};
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `upgrade`
[INFO] [stdout]   --> src/main.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn upgrade(&self) -> Option<App> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `downgrade`
[INFO] [stdout]   --> src/main.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn downgrade(&self) -> AppWeak {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "132aa4c932f7d777282382d93fbdc16c4840ba6e60dec609c60d5fb63f46e21c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "132aa4c932f7d777282382d93fbdc16c4840ba6e60dec609c60d5fb63f46e21c", kill_on_drop: false }`
[INFO] [stdout] 132aa4c932f7d777282382d93fbdc16c4840ba6e60dec609c60d5fb63f46e21c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed131fad999a672d81c37d098e45ae91b67641ec25d231e1fd2d5f07b9bb607f
[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" "ed131fad999a672d81c37d098e45ae91b67641ec25d231e1fd2d5f07b9bb607f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Context`
[INFO] [stderr]  --> src/main.rs:6:28
[INFO] [stderr]   |
[INFO] [stderr] 6 | use anyhow::{anyhow, bail, Context};
[INFO] [stderr]   |                            ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `upgrade`
[INFO] [stderr]   --> src/main.rs:40:8
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn upgrade(&self) -> Option<App> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `downgrade`
[INFO] [stderr]   --> src/main.rs:68:8
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn downgrade(&self) -> AppWeak {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustfest_webrtc-bf673d73860e7b5f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ed131fad999a672d81c37d098e45ae91b67641ec25d231e1fd2d5f07b9bb607f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed131fad999a672d81c37d098e45ae91b67641ec25d231e1fd2d5f07b9bb607f", kill_on_drop: false }`
[INFO] [stdout] ed131fad999a672d81c37d098e45ae91b67641ec25d231e1fd2d5f07b9bb607f