[INFO] cloning repository https://github.com/jamestthompson3/peerful
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamestthompson3/peerful" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamestthompson3%2Fpeerful", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamestthompson3%2Fpeerful'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca543b62df303cc74c93eb5fe356deec452aeb60
[INFO] checking jamestthompson3/peerful against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamestthompson3%2Fpeerful" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jamestthompson3/peerful 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 git repo https://github.com/jamestthompson3/peerful
[INFO] finished tweaking git repo https://github.com/jamestthompson3/peerful
[INFO] tweaked toml for git repo https://github.com/jamestthompson3/peerful written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jamestthompson3/peerful 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_users v0.3.0
[INFO] [stderr]   Downloaded colored v1.8.0
[INFO] [stderr]   Downloaded rand_jitter v0.1.3
[INFO] [stderr]   Downloaded rgb v0.8.13
[INFO] [stderr]   Downloaded backtrace v0.3.32
[INFO] [stderr]   Downloaded num-traits v0.2.7
[INFO] [stderr]   Downloaded libc v0.2.50
[INFO] [stderr]   Downloaded cgmath v0.16.1
[INFO] [stderr]   Downloaded backtrace-sys v0.1.30
[INFO] [stderr]   Downloaded winconsole v0.10.0
[INFO] [stderr]   Downloaded serde_derive v1.0.94
[INFO] [stderr]   Downloaded serde v1.0.94
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded ws v0.8.0
[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] 8a4b9b90920d6ae09d6457cbe5cfca167029ea846b69d38a64e4d103fc5f8445
[INFO] running `Command { std: "docker" "start" "-a" "8a4b9b90920d6ae09d6457cbe5cfca167029ea846b69d38a64e4d103fc5f8445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a4b9b90920d6ae09d6457cbe5cfca167029ea846b69d38a64e4d103fc5f8445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a4b9b90920d6ae09d6457cbe5cfca167029ea846b69d38a64e4d103fc5f8445", kill_on_drop: false }`
[INFO] [stdout] 8a4b9b90920d6ae09d6457cbe5cfca167029ea846b69d38a64e4d103fc5f8445
[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] 135d51dc0f60907e1a5397ff661c25de899e713036b94902a4096b6cc637f149
[INFO] running `Command { std: "docker" "start" "-a" "135d51dc0f60907e1a5397ff661c25de899e713036b94902a4096b6cc637f149", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling winapi v0.3.6
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.7
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking rgb v0.8.13
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking ws v0.8.0
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking peerful v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Disconnect` is never constructed
[INFO] [stdout]   --> src/client.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | enum Event {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] 10 |     Connect(Sender, String),
[INFO] [stdout] 11 |     Disconnect,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Disconnect` is never constructed
[INFO] [stdout]   --> src/client.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | enum Event {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] 10 |     Connect(Sender, String),
[INFO] [stdout] 11 |     Disconnect,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.48s
[INFO] running `Command { std: "docker" "inspect" "135d51dc0f60907e1a5397ff661c25de899e713036b94902a4096b6cc637f149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "135d51dc0f60907e1a5397ff661c25de899e713036b94902a4096b6cc637f149", kill_on_drop: false }`
[INFO] [stdout] 135d51dc0f60907e1a5397ff661c25de899e713036b94902a4096b6cc637f149
[INFO] checking jamestthompson3/peerful against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamestthompson3%2Fpeerful" "/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/jamestthompson3/peerful on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jamestthompson3/peerful
[INFO] finished tweaking git repo https://github.com/jamestthompson3/peerful
[INFO] tweaked toml for git repo https://github.com/jamestthompson3/peerful written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jamestthompson3/peerful 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c0b4ea47e7e454b7e25d1bcb74576586d606c054e26befb50fda1ed80fb101d
[INFO] running `Command { std: "docker" "start" "-a" "0c0b4ea47e7e454b7e25d1bcb74576586d606c054e26befb50fda1ed80fb101d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c0b4ea47e7e454b7e25d1bcb74576586d606c054e26befb50fda1ed80fb101d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c0b4ea47e7e454b7e25d1bcb74576586d606c054e26befb50fda1ed80fb101d", kill_on_drop: false }`
[INFO] [stdout] 0c0b4ea47e7e454b7e25d1bcb74576586d606c054e26befb50fda1ed80fb101d
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0b392eb0cf2e1dd10994dc9fe06c8b6c8aee86fae9b237a9d4292ae9cfa6236
[INFO] running `Command { std: "docker" "start" "-a" "a0b392eb0cf2e1dd10994dc9fe06c8b6c8aee86fae9b237a9d4292ae9cfa6236", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling winapi v0.3.6
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.7
[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 log v0.4.6
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking idna v0.1.5
[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] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking rgb v0.8.13
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking ws v0.8.0
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking peerful v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Disconnect` is never constructed
[INFO] [stdout]   --> src/client.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | enum Event {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] 10 |     Connect(Sender, String),
[INFO] [stdout] 11 |     Disconnect,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Disconnect` is never constructed
[INFO] [stdout]   --> src/client.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | enum Event {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] 10 |     Connect(Sender, String),
[INFO] [stdout] 11 |     Disconnect,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.91s
[INFO] running `Command { std: "docker" "inspect" "a0b392eb0cf2e1dd10994dc9fe06c8b6c8aee86fae9b237a9d4292ae9cfa6236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b392eb0cf2e1dd10994dc9fe06c8b6c8aee86fae9b237a9d4292ae9cfa6236", kill_on_drop: false }`
[INFO] [stdout] a0b392eb0cf2e1dd10994dc9fe06c8b6c8aee86fae9b237a9d4292ae9cfa6236