[INFO] fetching crate syncfast 0.2.0...
[INFO] building syncfast-0.2.0 against master#a7f375789bab1a4e4a291c963081a8ca7d2b6bd7 for pr-93180
[INFO] extracting crate syncfast 0.2.0 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate syncfast 0.2.0 on toolchain a7f375789bab1a4e4a291c963081a8ca7d2b6bd7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syncfast 0.2.0
[INFO] finished tweaking crates.io crate syncfast 0.2.0
[INFO] tweaked toml for crates.io crate syncfast 0.2.0 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate crates.io crate syncfast 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2db818b17d57cb931771dc63ea0216b754ac99aa93f4e0d0c8e52e38b093a87f
[INFO] running `Command { std: "docker" "start" "-a" "2db818b17d57cb931771dc63ea0216b754ac99aa93f4e0d0c8e52e38b093a87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2db818b17d57cb931771dc63ea0216b754ac99aa93f4e0d0c8e52e38b093a87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2db818b17d57cb931771dc63ea0216b754ac99aa93f4e0d0c8e52e38b093a87f", kill_on_drop: false }`
[INFO] [stdout] 2db818b17d57cb931771dc63ea0216b754ac99aa93f4e0d0c8e52e38b093a87f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f6875b52f45ab4db0efdd530575d63edcf5815bcee2906a42331df297b78593
[INFO] running `Command { std: "docker" "start" "-a" "0f6875b52f45ab4db0efdd530575d63edcf5815bcee2906a42331df297b78593", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling cdchunking v0.2.1
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.11.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rusqlite v0.16.0
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling syncfast v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `receive`
[INFO] [stdout]    --> src/sync/ssh/proto.rs:198:12
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn receive<'a, E, F>(&'a mut self, func: F) -> Result<Messages<'a>, E>
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]    --> src/sync/ssh/proto.rs:229:12
[INFO] [stdout]     |
[INFO] [stdout] 229 |     pub fn parse<'a>(&'a mut self, input: &[u8]) -> Messages<'a> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.88s
[INFO] running `Command { std: "docker" "inspect" "0f6875b52f45ab4db0efdd530575d63edcf5815bcee2906a42331df297b78593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f6875b52f45ab4db0efdd530575d63edcf5815bcee2906a42331df297b78593", kill_on_drop: false }`
[INFO] [stdout] 0f6875b52f45ab4db0efdd530575d63edcf5815bcee2906a42331df297b78593
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17ee2611e49b4ffd152acf176f0c92cd63133797bf3fdd20dc64746857d161f3
[INFO] running `Command { std: "docker" "start" "-a" "17ee2611e49b4ffd152acf176f0c92cd63133797bf3fdd20dc64746857d161f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stdout] warning: associated function is never used: `receive`
[INFO] [stdout]    --> src/sync/ssh/proto.rs:198:12
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn receive<'a, E, F>(&'a mut self, func: F) -> Result<Messages<'a>, E>
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]    --> src/sync/ssh/proto.rs:229:12
[INFO] [stdout]     |
[INFO] [stdout] 229 |     pub fn parse<'a>(&'a mut self, input: &[u8]) -> Messages<'a> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling syncfast v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]    --> src/sync/ssh/proto.rs:229:12
[INFO] [stdout]     |
[INFO] [stdout] 229 |     pub fn parse<'a>(&'a mut self, input: &[u8]) -> Messages<'a> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "17ee2611e49b4ffd152acf176f0c92cd63133797bf3fdd20dc64746857d161f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17ee2611e49b4ffd152acf176f0c92cd63133797bf3fdd20dc64746857d161f3", kill_on_drop: false }`
[INFO] [stdout] 17ee2611e49b4ffd152acf176f0c92cd63133797bf3fdd20dc64746857d161f3