[INFO] fetching crate smartpool 0.3.2...
[INFO] checking smartpool-0.3.2 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate smartpool 0.3.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate smartpool 0.3.2 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smartpool 0.3.2
[INFO] finished tweaking crates.io crate smartpool 0.3.2
[INFO] tweaked toml for crates.io crate smartpool 0.3.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 170c2ca287c6139d0f0f33a91c4ae7631110e9b5a0ae5e7b5cb2c4d9f06eeec5
[INFO] running `Command { std: "docker" "start" "-a" "170c2ca287c6139d0f0f33a91c4ae7631110e9b5a0ae5e7b5cb2c4d9f06eeec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "170c2ca287c6139d0f0f33a91c4ae7631110e9b5a0ae5e7b5cb2c4d9f06eeec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "170c2ca287c6139d0f0f33a91c4ae7631110e9b5a0ae5e7b5cb2c4d9f06eeec5", kill_on_drop: false }`
[INFO] [stdout] 170c2ca287c6139d0f0f33a91c4ae7631110e9b5a0ae5e7b5cb2c4d9f06eeec5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 803516ae9e7ca8a558424d7279e88579085338221de7f64dbfec20ab8da84162
[INFO] running `Command { std: "docker" "start" "-a" "803516ae9e7ca8a558424d7279e88579085338221de7f64dbfec20ab8da84162", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking through v0.1.0
[INFO] [stderr]     Checking monitor v0.1.0
[INFO] [stderr]     Checking atomic v0.4.6
[INFO] [stderr]     Checking atom v0.3.6
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking smallqueue v0.1.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking atomicmonitor v0.1.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]     Checking smartpool v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/test.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::{Once, ONCE_INIT};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/test.rs:18:25
[INFO] [stdout]    |
[INFO] [stdout] 18 | static INIT_LOG: Once = ONCE_INIT;
[INFO] [stdout]    |                         ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/channel/sdf.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |             Some((key, mut queue)) => {
[INFO] [stdout]    |                        ----^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/channel/sdf.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Some(mut queue) => {
[INFO] [stdout]    |                  ----^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/channel/sdf.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |             Some((key, mut queue)) => {
[INFO] [stdout]    |                        ----^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/channel/sdf.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Some(mut queue) => {
[INFO] [stdout]    |                  ----^^^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.33s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "803516ae9e7ca8a558424d7279e88579085338221de7f64dbfec20ab8da84162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "803516ae9e7ca8a558424d7279e88579085338221de7f64dbfec20ab8da84162", kill_on_drop: false }`
[INFO] [stdout] 803516ae9e7ca8a558424d7279e88579085338221de7f64dbfec20ab8da84162