[INFO] fetching crate slmp_client 0.2.1...
[INFO] checking slmp_client-0.2.1 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate slmp_client 0.2.1 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate slmp_client 0.2.1 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slmp_client 0.2.1
[INFO] finished tweaking crates.io crate slmp_client 0.2.1
[INFO] tweaked toml for crates.io crate slmp_client 0.2.1 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 662f25be0529c0ab9a4f305f2223de0e3b66081c8b63f83d572952795dc9ae2c
[INFO] running `Command { std: "docker" "start" "-a" "662f25be0529c0ab9a4f305f2223de0e3b66081c8b63f83d572952795dc9ae2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "662f25be0529c0ab9a4f305f2223de0e3b66081c8b63f83d572952795dc9ae2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "662f25be0529c0ab9a4f305f2223de0e3b66081c8b63f83d572952795dc9ae2c", kill_on_drop: false }`
[INFO] [stdout] 662f25be0529c0ab9a4f305f2223de0e3b66081c8b63f83d572952795dc9ae2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ac4ada2b56deee1b4b273822484ea6f11908102f7b2a1cc3ed71c4ede07d919
[INFO] running `Command { std: "docker" "start" "-a" "0ac4ada2b56deee1b4b273822484ea6f11908102f7b2a1cc3ed71c4ede07d919", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking slmp_client v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/structs/headers.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn from(buf: [u8; 9]) -> SlmpSubHeaderReq {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SlmpSubHeaderOd`
[INFO] [stdout]    --> src/structs/headers.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub struct SlmpSubHeaderOd {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]    --> src/structs/headers.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn from(buf: &[u8]) -> SlmpSubHeaderOd {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/structs/headers.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn from(buf: [u8; 9]) -> SlmpSubHeaderReq {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SlmpSubHeaderOd`
[INFO] [stdout]    --> src/structs/headers.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub struct SlmpSubHeaderOd {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]    --> src/structs/headers.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn from(buf: &[u8]) -> SlmpSubHeaderOd {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.02s
[INFO] running `Command { std: "docker" "inspect" "0ac4ada2b56deee1b4b273822484ea6f11908102f7b2a1cc3ed71c4ede07d919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ac4ada2b56deee1b4b273822484ea6f11908102f7b2a1cc3ed71c4ede07d919", kill_on_drop: false }`
[INFO] [stdout] 0ac4ada2b56deee1b4b273822484ea6f11908102f7b2a1cc3ed71c4ede07d919