[INFO] fetching crate pipeawesome2 0.1.3...
[INFO] checking pipeawesome2-0.1.3 against 1.95.0 for pr-155915
[INFO] extracting crate pipeawesome2 0.1.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate pipeawesome2 0.1.3
[INFO] finished tweaking crates.io crate pipeawesome2 0.1.3
[INFO] tweaked toml for crates.io crate pipeawesome2 0.1.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pipeawesome2 0.1.3 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pipeawesome2 0.1.3 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02c99415c5ebd2420c71da6bcb4cc24b20184549c0547742e1adf526923596b6
[INFO] running `Command { std: "docker" "start" "-a" "02c99415c5ebd2420c71da6bcb4cc24b20184549c0547742e1adf526923596b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02c99415c5ebd2420c71da6bcb4cc24b20184549c0547742e1adf526923596b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02c99415c5ebd2420c71da6bcb4cc24b20184549c0547742e1adf526923596b6", kill_on_drop: false }`
[INFO] [stdout] 02c99415c5ebd2420c71da6bcb4cc24b20184549c0547742e1adf526923596b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91ec8742d6a71a4325a9593e515ac544544f531cd32d79450d1245b157d65fde
[INFO] running `Command { std: "docker" "start" "-a" "91ec8742d6a71a4325a9593e515ac544544f531cd32d79450d1245b157d65fde", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]     Checking futures-io v0.3.24
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[INFO] [stderr]    Compiling log v0.4.17
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[INFO] [stderr]     Checking once_cell v1.15.0
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[INFO] [stderr]    Compiling serde_derive v1.0.145
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[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]    Compiling serde v1.0.145
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[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling dot-structures v0.1.0
[INFO] [stderr]    Compiling signal-hook v0.3.14
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[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]     Checking atomic-waker v1.0.0
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[INFO] [stderr]    Compiling dot-generator v0.1.0
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[INFO] [stderr]     Checking async-channel v1.7.1
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[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]    Compiling serde_json v1.0.86
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[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking rand v0.8.5
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[INFO] [stderr]    Compiling ctor v0.1.23
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling futures-macro v0.3.24
[INFO] [stderr]    Compiling into-attr-derive v0.1.0
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.9
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling pest v2.4.0
[INFO] [stderr]     Checking async-global-executor v2.3.0
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]    Compiling pest_meta v2.4.0
[INFO] [stderr]    Compiling pest_generator v2.4.0
[INFO] [stderr]    Compiling pest_derive v2.4.0
[INFO] [stderr]     Checking futures-executor v0.3.24
[INFO] [stderr]     Checking graphviz-rust v0.1.2
[INFO] [stderr]     Checking futures v0.3.24
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking pipeawesome2 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/config.rs:371:26
[INFO] [stdout]     |
[INFO] [stdout] 371 |             .and_modify(|mut lc| lc.command = Some(command.clone()))
[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/config.rs:377:26
[INFO] [stdout]     |
[INFO] [stdout] 377 |             .and_modify(|mut lc| lc.path = Some(path.clone()))
[INFO] [stdout]     |                          ----^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/config.rs:384:26
[INFO] [stdout]     |
[INFO] [stdout] 384 |             .and_modify(|mut lc| lc.arg = std::mem::take(&mut args))
[INFO] [stdout]     |                          ----^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/config.rs:391:26
[INFO] [stdout]     |
[INFO] [stdout] 391 |             .and_modify(|mut lc| lc.env = std::mem::take(&mut env))
[INFO] [stdout]     |                          ----^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&mut Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/faucet.rs:130:41
[INFO] [stdout]     |
[INFO] [stdout] 130 | ...                   for push in &mut self.stdout {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 130 -                             for push in &mut self.stdout {
[INFO] [stdout] 130 +                             while let Some(push) = &mut self.stdout {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 130 -                             for push in &mut self.stdout {
[INFO] [stdout] 130 +                             if let Some(push) = &mut self.stdout {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&mut Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/regulator.rs:122:41
[INFO] [stdout]     |
[INFO] [stdout] 122 | ...                   for push in &mut self.stdout {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 122 -                             for push in &mut self.stdout {
[INFO] [stdout] 122 +                             while let Some(push) = &mut self.stdout {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 122 -                             for push in &mut self.stdout {
[INFO] [stdout] 122 +                             if let Some(push) = &mut self.stdout {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/config.rs:371:26
[INFO] [stdout]     |
[INFO] [stdout] 371 |             .and_modify(|mut lc| lc.command = Some(command.clone()))
[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/config.rs:377:26
[INFO] [stdout]     |
[INFO] [stdout] 377 |             .and_modify(|mut lc| lc.path = Some(path.clone()))
[INFO] [stdout]     |                          ----^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/config.rs:384:26
[INFO] [stdout]     |
[INFO] [stdout] 384 |             .and_modify(|mut lc| lc.arg = std::mem::take(&mut args))
[INFO] [stdout]     |                          ----^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/config.rs:391:26
[INFO] [stdout]     |
[INFO] [stdout] 391 |             .and_modify(|mut lc| lc.env = std::mem::take(&mut env))
[INFO] [stdout]     |                          ----^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&mut Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/faucet.rs:130:41
[INFO] [stdout]     |
[INFO] [stdout] 130 | ...                   for push in &mut self.stdout {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 130 -                             for push in &mut self.stdout {
[INFO] [stdout] 130 +                             while let Some(push) = &mut self.stdout {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 130 -                             for push in &mut self.stdout {
[INFO] [stdout] 130 +                             if let Some(push) = &mut self.stdout {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&mut Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/regulator.rs:122:41
[INFO] [stdout]     |
[INFO] [stdout] 122 | ...                   for push in &mut self.stdout {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 122 -                             for push in &mut self.stdout {
[INFO] [stdout] 122 +                             while let Some(push) = &mut self.stdout {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 122 -                             for push in &mut self.stdout {
[INFO] [stdout] 122 +                             if let Some(push) = &mut self.stdout {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.58s
[INFO] running `Command { std: "docker" "inspect" "91ec8742d6a71a4325a9593e515ac544544f531cd32d79450d1245b157d65fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91ec8742d6a71a4325a9593e515ac544544f531cd32d79450d1245b157d65fde", kill_on_drop: false }`
[INFO] [stdout] 91ec8742d6a71a4325a9593e515ac544544f531cd32d79450d1245b157d65fde
