[INFO] fetching crate tang-rs 0.2.0...
[INFO] testing tang-rs-0.2.0 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take3
[INFO] extracting crate tang-rs 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tang-rs 0.2.0 on toolchain fc4ba03ef77ca5018fb78a097d3b924d30f15bfc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-lite v0.1.11
[INFO] [stderr]   Downloaded blocking v0.4.7
[INFO] [stderr]   Downloaded parking v1.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5d245da3810718d14dd39f0c1909b309966fa24ecfd7b3b6e4d51eff648b81b
[INFO] running `Command { std: "docker" "start" "-a" "a5d245da3810718d14dd39f0c1909b309966fa24ecfd7b3b6e4d51eff648b81b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5d245da3810718d14dd39f0c1909b309966fa24ecfd7b3b6e4d51eff648b81b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d245da3810718d14dd39f0c1909b309966fa24ecfd7b3b6e4d51eff648b81b", kill_on_drop: false }`
[INFO] [stdout] a5d245da3810718d14dd39f0c1909b309966fa24ecfd7b3b6e4d51eff648b81b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] f5e3357929b2841c514f79508dbf9231121b621f12b34210f9a30c57f8e188dd
[INFO] running `Command { std: "docker" "start" "-a" "f5e3357929b2841c514f79508dbf9231121b621f12b34210f9a30c57f8e188dd", 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 0.42s
[INFO] running `Command { std: "docker" "inspect" "f5e3357929b2841c514f79508dbf9231121b621f12b34210f9a30c57f8e188dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5e3357929b2841c514f79508dbf9231121b621f12b34210f9a30c57f8e188dd", kill_on_drop: false }`
[INFO] [stdout] f5e3357929b2841c514f79508dbf9231121b621f12b34210f9a30c57f8e188dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] cca7ad6799bb2c6dfbb72ad94e8cf88cd40af2dccd22345b04a7ba2d01367cae
[INFO] running `Command { std: "docker" "start" "-a" "cca7ad6799bb2c6dfbb72ad94e8cf88cd40af2dccd22345b04a7ba2d01367cae", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling async-task v4.3.0
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling parking v1.0.6
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling concurrent-queue v1.2.4
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[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]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling polling v2.5.1
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]    Compiling async-process v1.6.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling futures-lite v0.1.11
[INFO] [stderr]    Compiling concurrent-queue v2.0.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling net2 v0.2.38
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling num_cpus v1.14.0
[INFO] [stderr]    Compiling async-channel v1.8.0
[INFO] [stderr]    Compiling blocking v0.4.7
[INFO] [stderr]    Compiling async-lock v2.6.0
[INFO] [stderr]    Compiling blocking v1.3.0
[INFO] [stderr]    Compiling async-executor v1.5.0
[INFO] [stderr]    Compiling smol v0.1.18
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-global-executor v2.3.1
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling async-std v1.12.0
[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 17.67s
[INFO] running `Command { std: "docker" "inspect" "cca7ad6799bb2c6dfbb72ad94e8cf88cd40af2dccd22345b04a7ba2d01367cae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca7ad6799bb2c6dfbb72ad94e8cf88cd40af2dccd22345b04a7ba2d01367cae", kill_on_drop: false }`
[INFO] [stdout] cca7ad6799bb2c6dfbb72ad94e8cf88cd40af2dccd22345b04a7ba2d01367cae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6ba51dc8bd86aca14bd9a0a96f3e8cbadf9514ebea514ce18fa4ee3d301fc99f
[INFO] running `Command { std: "docker" "start" "-a" "6ba51dc8bd86aca14bd9a0a96f3e8cbadf9514ebea514ce18fa4ee3d301fc99f", 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 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/tang_rs-eb7746c4661ccb41)
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "6ba51dc8bd86aca14bd9a0a96f3e8cbadf9514ebea514ce18fa4ee3d301fc99f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba51dc8bd86aca14bd9a0a96f3e8cbadf9514ebea514ce18fa4ee3d301fc99f", kill_on_drop: false }`
[INFO] [stdout] 6ba51dc8bd86aca14bd9a0a96f3e8cbadf9514ebea514ce18fa4ee3d301fc99f