[INFO] fetching crate bmrng 0.5.1...
[INFO] checking bmrng-0.5.1 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate bmrng 0.5.1 into /workspace/builds/worker-46/source
[INFO] validating manifest of crates.io crate bmrng 0.5.1 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bmrng 0.5.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate bmrng 0.5.1
[INFO] tweaked toml for crates.io crate bmrng 0.5.1 written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ede4e710cb7e80695c43e1b020b7725e4300c8b97b8e1b6581e08847aede2c9e
[INFO] running `Command { std: "docker" "start" "-a" "ede4e710cb7e80695c43e1b020b7725e4300c8b97b8e1b6581e08847aede2c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ede4e710cb7e80695c43e1b020b7725e4300c8b97b8e1b6581e08847aede2c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ede4e710cb7e80695c43e1b020b7725e4300c8b97b8e1b6581e08847aede2c9e", kill_on_drop: false }`
[INFO] [stdout] ede4e710cb7e80695c43e1b020b7725e4300c8b97b8e1b6581e08847aede2c9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1976b9d74beee4c075121a3e1dd8df866fc5007d63f46e3ac691e4bcf166fa4
[INFO] running `Command { std: "docker" "start" "-a" "d1976b9d74beee4c075121a3e1dd8df866fc5007d63f46e3ac691e4bcf166fa4", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   futures-core v0.3.16: default
[INFO] [stderr]   futures-util v0.3.16: default
[INFO] [stderr]   syn v1.0.75 (as host dependency): extra-traits, visit, visit-mut
[INFO] [stderr]   tokio v1.10.0: macros, num_cpus, rt, rt-multi-thread, test-util, tokio-macros
[INFO] [stderr] 
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling generator v0.6.25
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking tokio-test v0.4.2
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking bmrng v0.5.1 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stdout] warning: use of deprecated struct `tokio::sync::mpsc::error::RecvError`: This type is unused because recv returns an Option.
[INFO] [stdout]  --> src/error.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::sync::mpsc::error::{RecvError as MpscRecvError, SendError as MpscSendError};
[INFO] [stdout]   |                                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio::sync::mpsc::error::RecvError`: This type is unused because recv returns an Option.
[INFO] [stdout]   --> src/error.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl<T> From<MpscRecvError> for RequestError<T> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio::sync::mpsc::error::RecvError`: This type is unused because recv returns an Option.
[INFO] [stdout]   --> src/error.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn from(_err: MpscRecvError) -> RequestError<T> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking loom v0.4.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]    Migrating benches/bench_channel_async.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating benches/bench_channel_sync.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/tests.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/loom_bounded.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed benches/bench_channel_async.rs (1 fix)
[INFO] [stdout] warning: use of deprecated struct `tokio::sync::mpsc::error::RecvError`: This type is unused because recv returns an Option.
[INFO] [stdout]  --> src/error.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::sync::mpsc::error::{RecvError as MpscRecvError, SendError as MpscSendError};
[INFO] [stdout]   |                                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio::sync::mpsc::error::RecvError`: This type is unused because recv returns an Option.
[INFO] [stdout]   --> src/error.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl<T> From<MpscRecvError> for RequestError<T> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio::sync::mpsc::error::RecvError`: This type is unused because recv returns an Option.
[INFO] [stdout]   --> src/error.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn from(_err: MpscRecvError) -> RequestError<T> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed benches/bench_channel_sync.rs (1 fix)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.60s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking loom v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]     Checking tokio v1.10.0
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking tokio-test v0.4.2
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking bmrng v0.5.1 (/tmp/fixit)
[INFO] [stdout] warning: use of deprecated struct `tokio::sync::mpsc::error::RecvError`: This type is unused because recv returns an Option.
[INFO] [stdout]  --> src/error.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::sync::mpsc::error::{RecvError as MpscRecvError, SendError as MpscSendError};
[INFO] [stdout]   |                                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio::sync::mpsc::error::RecvError`: This type is unused because recv returns an Option.
[INFO] [stdout]   --> src/error.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl<T> From<MpscRecvError> for RequestError<T> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio::sync::mpsc::error::RecvError`: This type is unused because recv returns an Option.
[INFO] [stdout]   --> src/error.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn from(_err: MpscRecvError) -> RequestError<T> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stdout] error[E0432]: unresolved import `loom::future`
[INFO] [stdout]  --> tests/loom_bounded.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use loom::future::block_on;
[INFO] [stdout]   |           ^^^^^^ could not find `future` in `loom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio::sync::mpsc::error::RecvError`: This type is unused because recv returns an Option.
[INFO] [stdout]  --> src/error.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::sync::mpsc::error::{RecvError as MpscRecvError, SendError as MpscSendError};
[INFO] [stdout]   |                                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio::sync::mpsc::error::RecvError`: This type is unused because recv returns an Option.
[INFO] [stdout]   --> src/error.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl<T> From<MpscRecvError> for RequestError<T> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio::sync::mpsc::error::RecvError`: This type is unused because recv returns an Option.
[INFO] [stdout]   --> src/error.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn from(_err: MpscRecvError) -> RequestError<T> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bmrng` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to check after updating to 2021
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "d1976b9d74beee4c075121a3e1dd8df866fc5007d63f46e3ac691e4bcf166fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1976b9d74beee4c075121a3e1dd8df866fc5007d63f46e3ac691e4bcf166fa4", kill_on_drop: false }`
[INFO] [stdout] d1976b9d74beee4c075121a3e1dd8df866fc5007d63f46e3ac691e4bcf166fa4