[INFO] fetching crate sosistab2-obfsudp 0.1.12...
[INFO] checking sosistab2-obfsudp-0.1.12 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate sosistab2-obfsudp 0.1.12 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate sosistab2-obfsudp 0.1.12
[INFO] finished tweaking crates.io crate sosistab2-obfsudp 0.1.12
[INFO] tweaked toml for crates.io crate sosistab2-obfsudp 0.1.12 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sosistab2-obfsudp 0.1.12 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 288 packages to latest compatible versions
[INFO] [stderr]       Adding curve25519-dalek v3.2.0 (available: v3.2.1)
[INFO] [stderr]       Adding itertools v0.11.0 (available: v0.14.0)
[INFO] [stderr]       Adding lru v0.12.5 (available: v0.15.0)
[INFO] [stderr]       Adding priority-queue v1.4.0 (available: v2.5.0)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.1)
[INFO] [stderr]       Adding smol v1.3.0 (available: v2.0.2)
[INFO] [stderr]       Adding x25519-dalek v1.1.1 (available: v1.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded replay_filter v0.1.2
[INFO] [stderr]   Downloaded tabwriter v1.4.1
[INFO] [stderr]   Downloaded sosistab2 v0.10.21
[INFO] [stderr]   Downloaded stdcode v0.1.14
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[INFO] [stderr]   Downloaded diatomic-waker v0.1.0
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[INFO] [stderr]   Downloaded smol-timeout v0.6.1
[INFO] [stderr]   Downloaded async-event v0.2.1
[INFO] [stderr]   Downloaded cached v0.26.2
[INFO] [stderr]   Downloaded recycle-box v0.2.0
[INFO] [stderr]   Downloaded async-net v1.8.0
[INFO] [stderr]   Downloaded probability v0.20.3
[INFO] [stderr]   Downloaded cached_proc_macro_types v0.1.1
[INFO] [stderr]   Downloaded clone-macro v0.1.0
[INFO] [stderr]   Downloaded smolscale v0.4.16
[INFO] [stderr]   Downloaded honggfuzz v0.5.57
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30098d0eec570a6c27f042be4e9b1860cfc1a5a00582052af3c842337f94f793
[INFO] running `Command { std: "docker" "start" "-a" "30098d0eec570a6c27f042be4e9b1860cfc1a5a00582052af3c842337f94f793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30098d0eec570a6c27f042be4e9b1860cfc1a5a00582052af3c842337f94f793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30098d0eec570a6c27f042be4e9b1860cfc1a5a00582052af3c842337f94f793", kill_on_drop: false }`
[INFO] [stdout] 30098d0eec570a6c27f042be4e9b1860cfc1a5a00582052af3c842337f94f793
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85d1dce54441d21b29d29a70d36e699b7ea2d15e3061cf8a6d1d777ed4c74a68
[INFO] running `Command { std: "docker" "start" "-a" "85d1dce54441d21b29d29a70d36e699b7ea2d15e3061cf8a6d1d777ed4c74a68", kill_on_drop: false }`
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[INFO] [stderr]     Checking sosistab2-obfsudp v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `dead`, `latency`, `jitter`, and `samples` are never read
[INFO] [stdout]    --> src/stats.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub struct PipeStats {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 153 |     pub dead: bool,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 154 |     pub loss: f64, // 0 to 1
[INFO] [stdout] 155 |     pub latency: Duration,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 156 |     pub jitter: Duration,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 157 |     pub samples: usize,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PipeStats` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dead`, `latency`, `jitter`, and `samples` are never read
[INFO] [stdout]    --> src/stats.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub struct PipeStats {
[INFO] [stdout]     |            --------- fields in this struct
[INFO] [stdout] 153 |     pub dead: bool,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 154 |     pub loss: f64, // 0 to 1
[INFO] [stdout] 155 |     pub latency: Duration,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 156 |     pub jitter: Duration,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 157 |     pub samples: usize,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PipeStats` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "85d1dce54441d21b29d29a70d36e699b7ea2d15e3061cf8a6d1d777ed4c74a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d1dce54441d21b29d29a70d36e699b7ea2d15e3061cf8a6d1d777ed4c74a68", kill_on_drop: false }`
[INFO] [stdout] 85d1dce54441d21b29d29a70d36e699b7ea2d15e3061cf8a6d1d777ed4c74a68