[INFO] cloning repository https://github.com/ggazzo/rust-ddp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ggazzo/rust-ddp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggazzo%2Frust-ddp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggazzo%2Frust-ddp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c79b64aa4cdb83287d282bdda7f998dca863b0e4
[INFO] checking ggazzo/rust-ddp against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggazzo%2Frust-ddp" "/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/ggazzo/rust-ddp on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ggazzo/rust-ddp
[INFO] finished tweaking git repo https://github.com/ggazzo/rust-ddp
[INFO] tweaked toml for git repo https://github.com/ggazzo/rust-ddp written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ggazzo/rust-ddp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded async-tungstenite v0.10.0
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[INFO] [stderr]   Downloaded signal-hook-registry v1.2.2
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[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] 2b5b9b3a36b44c29c28cda6743e2318aa123a8f8aefd73a8c704a55d001ad259
[INFO] running `Command { std: "docker" "start" "-a" "2b5b9b3a36b44c29c28cda6743e2318aa123a8f8aefd73a8c704a55d001ad259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b5b9b3a36b44c29c28cda6743e2318aa123a8f8aefd73a8c704a55d001ad259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b5b9b3a36b44c29c28cda6743e2318aa123a8f8aefd73a8c704a55d001ad259", kill_on_drop: false }`
[INFO] [stdout] 2b5b9b3a36b44c29c28cda6743e2318aa123a8f8aefd73a8c704a55d001ad259
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77ea79c013f3b1df0328555f952bd6adcfbb016e1a1496b98bd77956661859c6
[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" "77ea79c013f3b1df0328555f952bd6adcfbb016e1a1496b98bd77956661859c6", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   futures-channel v0.3.8: default
[INFO] [stderr]   libc v0.2.80: align
[INFO] [stderr]   tokio v1.0.1: winapi
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[INFO] [stderr]    Compiling log v0.4.11
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[INFO] [stderr]    Compiling serde_derive v1.0.117
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[INFO] [stderr]     Checking ddp_server v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: constant is never used: `VERSIONS`
[INFO] [stdout]  --> src/ddp.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const VERSIONS: &'static [&'static str; 3] = &["1", "pre2", "pre1"];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Ejson`
[INFO] [stdout]  --> src/ddp.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type Ejson = serde_json::Value;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `text`
[INFO] [stdout]   --> src/ddp.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn text<'l>(id: &'l str, method: &'l str, params: Option<&Vec<&Ejson>>) -> String {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VERSIONS`
[INFO] [stdout]  --> src/ddp.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const VERSIONS: &'static [&'static str; 3] = &["1", "pre2", "pre1"];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Ejson`
[INFO] [stdout]  --> src/ddp.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type Ejson = serde_json::Value;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `text`
[INFO] [stdout]   --> src/ddp.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn text<'l>(id: &'l str, method: &'l str, params: Option<&Vec<&Ejson>>) -> String {
[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 30.24s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]     Checking polling v2.0.2
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[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking async-std v1.8.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking native-tls v0.2.6
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking async-tungstenite v0.10.0
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking ddp_server v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: constant is never used: `VERSIONS`
[INFO] [stdout]  --> src/ddp.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const VERSIONS: &'static [&'static str; 3] = &["1", "pre2", "pre1"];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Ejson`
[INFO] [stdout]  --> src/ddp.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type Ejson = serde_json::Value;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `text`
[INFO] [stdout]   --> src/ddp.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn text<'l>(id: &'l str, method: &'l str, params: Option<&Vec<&Ejson>>) -> String {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VERSIONS`
[INFO] [stdout]  --> src/ddp.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const VERSIONS: &'static [&'static str; 3] = &["1", "pre2", "pre1"];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Ejson`
[INFO] [stdout]  --> src/ddp.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type Ejson = serde_json::Value;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `text`
[INFO] [stdout]   --> src/ddp.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn text<'l>(id: &'l str, method: &'l str, params: Option<&Vec<&Ejson>>) -> String {
[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 13.20s
[INFO] running `Command { std: "docker" "inspect" "77ea79c013f3b1df0328555f952bd6adcfbb016e1a1496b98bd77956661859c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77ea79c013f3b1df0328555f952bd6adcfbb016e1a1496b98bd77956661859c6", kill_on_drop: false }`
[INFO] [stdout] 77ea79c013f3b1df0328555f952bd6adcfbb016e1a1496b98bd77956661859c6