[INFO] fetching crate slackr 0.1.1...
[INFO] building slackr-0.1.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate slackr 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate slackr 0.1.1
[INFO] finished tweaking crates.io crate slackr 0.1.1
[INFO] tweaked toml for crates.io crate slackr 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slackr 0.1.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slackr 0.1.1 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dadbc727ec026d81635e414be3e0c9a6be5915bffedda8e979aa99af7d0687fd
[INFO] running `Command { std: "docker" "start" "-a" "dadbc727ec026d81635e414be3e0c9a6be5915bffedda8e979aa99af7d0687fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dadbc727ec026d81635e414be3e0c9a6be5915bffedda8e979aa99af7d0687fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dadbc727ec026d81635e414be3e0c9a6be5915bffedda8e979aa99af7d0687fd", kill_on_drop: false }`
[INFO] [stdout] dadbc727ec026d81635e414be3e0c9a6be5915bffedda8e979aa99af7d0687fd
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b310df88f8286e74bc4ce38f0a6515aebc0ad41807b24dbb4e582768321d6693
[INFO] running `Command { std: "docker" "start" "-a" "b310df88f8286e74bc4ce38f0a6515aebc0ad41807b24dbb4e582768321d6693", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling pkg-config v0.3.31
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[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling cpufeatures v0.2.14
[INFO] [stderr]    Compiling data-encoding v2.6.0
[INFO] [stderr]    Compiling rustls-pki-types v1.9.0
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling sync_wrapper v1.0.1
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[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
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[INFO] [stderr]    Compiling sha1 v0.10.6
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[INFO] [stderr]    Compiling futures-macro v0.3.31
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[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling tokio v1.40.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling hashlink v0.9.1
[INFO] [stderr]    Compiling rusqlite v0.32.1
[INFO] [stderr]    Compiling tungstenite v0.24.0
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tokio-util v0.7.12
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tokio-tungstenite v0.24.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling h2 v0.4.6
[INFO] [stderr]    Compiling hyper v1.4.1
[INFO] [stderr]    Compiling hyper-util v0.1.9
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.8
[INFO] [stderr]    Compiling slackr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/event_handler.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]    --> src/client.rs:252:13
[INFO] [stdout]     |
[INFO] [stdout] 252 |         let response = self.client.post(url)
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/client.rs:149:14
[INFO] [stdout]     |
[INFO] [stdout] 149 |         let (mut writer, mut reader) = stream.split();
[INFO] [stdout]     |              ----^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/client.rs:149:26
[INFO] [stdout]     |
[INFO] [stdout] 149 |         let (mut writer, mut reader) = stream.split();
[INFO] [stdout]     |                          ----^^^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `message_type` is never read
[INFO] [stdout]   --> src/client.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct SlackEnvelope {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     message_type: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SlackEnvelope` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `event_id` is never read
[INFO] [stdout]   --> src/client.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct SlackPayload {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 34 |     pub event: Event,
[INFO] [stdout] 35 |     event_id: String
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SlackPayload` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.26s
[INFO] running `Command { std: "docker" "inspect" "b310df88f8286e74bc4ce38f0a6515aebc0ad41807b24dbb4e582768321d6693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b310df88f8286e74bc4ce38f0a6515aebc0ad41807b24dbb4e582768321d6693", kill_on_drop: false }`
[INFO] [stdout] b310df88f8286e74bc4ce38f0a6515aebc0ad41807b24dbb4e582768321d6693
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30e7db36e3a6ecb5e102cd62dd8a7aeb1b93562d125711b4cc13f8aac3c4ca08
[INFO] running `Command { std: "docker" "start" "-a" "30e7db36e3a6ecb5e102cd62dd8a7aeb1b93562d125711b4cc13f8aac3c4ca08", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/event_handler.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]    --> src/client.rs:252:13
[INFO] [stdout]     |
[INFO] [stdout] 252 |         let response = self.client.post(url)
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/client.rs:149:14
[INFO] [stdout]     |
[INFO] [stdout] 149 |         let (mut writer, mut reader) = stream.split();
[INFO] [stdout]     |              ----^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/client.rs:149:26
[INFO] [stdout]     |
[INFO] [stdout] 149 |         let (mut writer, mut reader) = stream.split();
[INFO] [stdout]     |                          ----^^^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `message_type` is never read
[INFO] [stdout]   --> src/client.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct SlackEnvelope {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     message_type: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SlackEnvelope` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling slackr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `event_id` is never read
[INFO] [stdout]   --> src/client.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct SlackPayload {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 34 |     pub event: Event,
[INFO] [stdout] 35 |     event_id: String
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SlackPayload` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/event_handler.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]    --> src/client.rs:252:13
[INFO] [stdout]     |
[INFO] [stdout] 252 |         let response = self.client.post(url)
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/client.rs:149:14
[INFO] [stdout]     |
[INFO] [stdout] 149 |         let (mut writer, mut reader) = stream.split();
[INFO] [stdout]     |              ----^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/client.rs:149:26
[INFO] [stdout]     |
[INFO] [stdout] 149 |         let (mut writer, mut reader) = stream.split();
[INFO] [stdout]     |                          ----^^^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `message_type` is never read
[INFO] [stdout]   --> src/client.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct SlackEnvelope {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     message_type: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SlackEnvelope` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `event_id` is never read
[INFO] [stdout]   --> src/client.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct SlackPayload {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 34 |     pub event: Event,
[INFO] [stdout] 35 |     event_id: String
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SlackPayload` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "30e7db36e3a6ecb5e102cd62dd8a7aeb1b93562d125711b4cc13f8aac3c4ca08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30e7db36e3a6ecb5e102cd62dd8a7aeb1b93562d125711b4cc13f8aac3c4ca08", kill_on_drop: false }`
[INFO] [stdout] 30e7db36e3a6ecb5e102cd62dd8a7aeb1b93562d125711b4cc13f8aac3c4ca08
