[INFO] fetching crate tang-rs 0.2.0...
[INFO] testing tang-rs-0.2.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate tang-rs 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tang-rs 0.2.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tang-rs 0.2.0
[INFO] finished tweaking crates.io crate tang-rs 0.2.0
[INFO] tweaked toml for crates.io crate tang-rs 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-lite v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7ad05767ebbfa470f8b4963a2b10ea14c9d5d73f2fe83532722f3489a87d1de
[INFO] running `Command { std: "docker" "start" "-a" "d7ad05767ebbfa470f8b4963a2b10ea14c9d5d73f2fe83532722f3489a87d1de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7ad05767ebbfa470f8b4963a2b10ea14c9d5d73f2fe83532722f3489a87d1de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ad05767ebbfa470f8b4963a2b10ea14c9d5d73f2fe83532722f3489a87d1de", kill_on_drop: false }`
[INFO] [stdout] d7ad05767ebbfa470f8b4963a2b10ea14c9d5d73f2fe83532722f3489a87d1de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff8ab09eb33e31c215450bd454b9be716d57c4fe2c4f1b3bd86a426d86ed0b22
[INFO] running `Command { std: "docker" "start" "-a" "ff8ab09eb33e31c215450bd454b9be716d57c4fe2c4f1b3bd86a426d86ed0b22", kill_on_drop: false }`
[INFO] [stderr]    Compiling tang-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/util/spin_pool.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::sync::atomic::{spin_loop_hint, AtomicUsize, Ordering};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/util/spin_pool.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 spin_loop_hint();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/util/spin_pool.rs:90:23
[INFO] [stdout]    |
[INFO] [stdout] 90 |         if self.state.compare_and_swap(FREE, LOCKED, Ordering::Acquire) == FREE {
[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 0.77s
[INFO] running `Command { std: "docker" "inspect" "ff8ab09eb33e31c215450bd454b9be716d57c4fe2c4f1b3bd86a426d86ed0b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff8ab09eb33e31c215450bd454b9be716d57c4fe2c4f1b3bd86a426d86ed0b22", kill_on_drop: false }`
[INFO] [stdout] ff8ab09eb33e31c215450bd454b9be716d57c4fe2c4f1b3bd86a426d86ed0b22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 852aaee4fd1abe918f9bd81b9232064dfa9f744c6c8ae5b6788f674fa3461567
[INFO] running `Command { std: "docker" "start" "-a" "852aaee4fd1abe918f9bd81b9232064dfa9f744c6c8ae5b6788f674fa3461567", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling parking v1.0.6
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/util/spin_pool.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::sync::atomic::{spin_loop_hint, AtomicUsize, Ordering};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/util/spin_pool.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 spin_loop_hint();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/util/spin_pool.rs:90:23
[INFO] [stdout]    |
[INFO] [stdout] 90 |         if self.state.compare_and_swap(FREE, LOCKED, Ordering::Acquire) == FREE {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling futures-lite v0.1.11
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling blocking v0.4.7
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling smol v0.1.18
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling async-process v1.2.0
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling async-std v1.9.0
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling tang-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]  --> src/util/spin_pool.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::sync::atomic::{spin_loop_hint, AtomicUsize, Ordering};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/util/spin_pool.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 spin_loop_hint();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/util/spin_pool.rs:90:23
[INFO] [stdout]    |
[INFO] [stdout] 90 |         if self.state.compare_and_swap(FREE, LOCKED, Ordering::Acquire) == FREE {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 26.60s
[INFO] running `Command { std: "docker" "inspect" "852aaee4fd1abe918f9bd81b9232064dfa9f744c6c8ae5b6788f674fa3461567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "852aaee4fd1abe918f9bd81b9232064dfa9f744c6c8ae5b6788f674fa3461567", kill_on_drop: false }`
[INFO] [stdout] 852aaee4fd1abe918f9bd81b9232064dfa9f744c6c8ae5b6788f674fa3461567
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 730c6b2d0c2d55938114ade6d76f876d437662a9bbd33b840946891630114f02
[INFO] running `Command { std: "docker" "start" "-a" "730c6b2d0c2d55938114ade6d76f876d437662a9bbd33b840946891630114f02", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]  --> src/util/spin_pool.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use core::sync::atomic::{spin_loop_hint, AtomicUsize, Ordering};
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]    --> src/util/spin_pool.rs:131:17
[INFO] [stderr]     |
[INFO] [stderr] 131 |                 spin_loop_hint();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/util/spin_pool.rs:90:23
[INFO] [stderr]    |
[INFO] [stderr] 90 |         if self.state.compare_and_swap(FREE, LOCKED, Ordering::Acquire) == FREE {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tang-rs` (lib) generated 3 warnings
[INFO] [stderr] warning: `tang-rs` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tang_rs-d7d53961e5ab8195)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tang_rs
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/pool.rs - pool::Pool<M>::init (line 357) ... ignored
[INFO] [stdout] test src/pool.rs - pool::Pool<M>::run (line 302) ... ignored
[INFO] [stdout] test src/lib.rs - (line 16) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 16) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `channel` in module `async_std::sync`
[INFO] [stdout]   --> src/lib.rs:113:37
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let (tx, rx) = async_std::sync::channel(100);
[INFO] [stdout]    |                                     ^^^^^^^ not found in `async_std::sync`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 6  | use std::sync::mpsc::channel;
[INFO] [stdout]    |
[INFO] [stdout] 6  | use tokio::sync::broadcast::channel;
[INFO] [stdout]    |
[INFO] [stdout] 6  | use tokio::sync::mpsc::channel;
[INFO] [stdout]    |
[INFO] [stdout] 6  | use tokio::sync::oneshot::channel;
[INFO] [stdout]    |
[INFO] [stdout]      and 1 other candidate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 16)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "730c6b2d0c2d55938114ade6d76f876d437662a9bbd33b840946891630114f02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "730c6b2d0c2d55938114ade6d76f876d437662a9bbd33b840946891630114f02", kill_on_drop: false }`
[INFO] [stdout] 730c6b2d0c2d55938114ade6d76f876d437662a9bbd33b840946891630114f02
