[INFO] fetching crate rill 0.4.0...
[INFO] checking rill-0.4.0 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] extracting crate rill 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rill 0.4.0 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rill 0.4.0
[INFO] finished tweaking crates.io crate rill 0.4.0
[INFO] tweaked toml for crates.io crate rill 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rill 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee0d130c943302fa76bf0f26871618ff60da6a280a245488b1bc68f3d63946f5
[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" "ee0d130c943302fa76bf0f26871618ff60da6a280a245488b1bc68f3d63946f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee0d130c943302fa76bf0f26871618ff60da6a280a245488b1bc68f3d63946f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee0d130c943302fa76bf0f26871618ff60da6a280a245488b1bc68f3d63946f5", kill_on_drop: false }`
[INFO] [stdout] ee0d130c943302fa76bf0f26871618ff60da6a280a245488b1bc68f3d63946f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8fb88262d6018d25329815c1ad2f17e2e8419d396c6f765231fc1ddbe9a02579
[INFO] running `Command { std: "docker" "start" "-a" "8fb88262d6018d25329815c1ad2f17e2e8419d396c6f765231fc1ddbe9a02579", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]     Checking rand_core v0.4.2
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[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking futures-io v0.3.7
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[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking openssl-probe v0.1.2
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[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking fake-simd v0.1.2
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[INFO] [stderr]    Compiling serde_json v1.0.59
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[INFO] [stderr]     Checking block-padding v0.1.5
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[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]     Checking rand_isaac v0.1.1
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[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking mime_guess v2.0.3
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking multipart v0.17.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
[INFO] [stderr]     Checking async-tungstenite v0.9.3
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Checking meio v0.24.0
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]     Checking meio-connect v0.24.1
[INFO] [stderr]     Checking rill v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `AtomicUsize`
[INFO] [stdout]  --> src/provider.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
[INFO] [stdout]   |                                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AtomicUsize`
[INFO] [stdout]  --> src/provider.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
[INFO] [stdout]   |                                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/worker.rs:153:19
[INFO] [stdout]     |
[INFO] [stdout] 152 |             direct_id: todo!(), //envelope.entry_id,
[INFO] [stdout]     |                        ------- any code following this expression is unreachable
[INFO] [stdout] 153 |             data: envelope.data,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/worker.rs:153:19
[INFO] [stdout]     |
[INFO] [stdout] 152 |             direct_id: todo!(), //envelope.entry_id,
[INFO] [stdout]     |                        ------- any code following this expression is unreachable
[INFO] [stdout] 153 |             data: envelope.data,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `direct_id`
[INFO] [stdout]    --> src/worker.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 direct_id,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `direct_id: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `envelope`
[INFO] [stdout]    --> src/worker.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         envelope: DataEnvelope,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_envelope`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/worker.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let msg = RillToServer::Data {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/worker.rs:71:33
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn send_list_for(&mut self, path: &Path) {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `direct_id`
[INFO] [stdout]    --> src/worker.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 direct_id,
[INFO] [stdout]     |                 ^^^^^^^^^ help: try ignoring the field: `direct_id: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `envelope`
[INFO] [stdout]    --> src/worker.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         envelope: DataEnvelope,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_envelope`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/worker.rs:151:13
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let msg = RillToServer::Data {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/worker.rs:71:33
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn send_list_for(&mut self, path: &Path) {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "8fb88262d6018d25329815c1ad2f17e2e8419d396c6f765231fc1ddbe9a02579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fb88262d6018d25329815c1ad2f17e2e8419d396c6f765231fc1ddbe9a02579", kill_on_drop: false }`
[INFO] [stdout] 8fb88262d6018d25329815c1ad2f17e2e8419d396c6f765231fc1ddbe9a02579