[INFO] fetching crate bastion-executor 0.4.2...
[INFO] checking bastion-executor-0.4.2 against 1.95.0 for pr-155915
[INFO] extracting crate bastion-executor 0.4.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate bastion-executor 0.4.2
[INFO] finished tweaking crates.io crate bastion-executor 0.4.2
[INFO] tweaked toml for crates.io crate bastion-executor 0.4.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bastion-executor 0.4.2 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bastion-executor 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-core v0.1.21
[INFO] [stderr]   Downloaded tracing-attributes v0.1.18
[INFO] [stderr]   Downloaded rand v0.8.4
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.2
[INFO] [stderr]   Downloaded bit-set v0.5.2
[INFO] [stderr]   Downloaded quote v1.0.14
[INFO] [stderr]   Downloaded bastion-utils v0.3.2
[INFO] [stderr]   Downloaded rand_hc v0.3.1
[INFO] [stderr]   Downloaded tracing v0.1.29
[INFO] [stderr]   Downloaded getrandom v0.2.3
[INFO] [stderr]   Downloaded slice-group-by v0.2.6
[INFO] [stderr]   Downloaded anyhow v1.0.52
[INFO] [stderr]   Downloaded lever v0.1.2
[INFO] [stderr]   Downloaded lightproc v0.3.5
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.5
[INFO] [stderr]   Downloaded proptest v1.0.0
[INFO] [stderr]   Downloaded syn v1.0.85
[INFO] [stderr]   Downloaded tokio v1.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03a08b5aa5d0880df40137d5f9186d02c99231f6e3978132b433731478f36d53
[INFO] running `Command { std: "docker" "start" "-a" "03a08b5aa5d0880df40137d5f9186d02c99231f6e3978132b433731478f36d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03a08b5aa5d0880df40137d5f9186d02c99231f6e3978132b433731478f36d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a08b5aa5d0880df40137d5f9186d02c99231f6e3978132b433731478f36d53", kill_on_drop: false }`
[INFO] [stdout] 03a08b5aa5d0880df40137d5f9186d02c99231f6e3978132b433731478f36d53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59646232bbc5ddc4b5b735b8a8aebb25e44a6cd29f226decd6291ddd6bba63c1
[INFO] running `Command { std: "docker" "start" "-a" "59646232bbc5ddc4b5b735b8a8aebb25e44a6cd29f226decd6291ddd6bba63c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking slice-group-by v0.2.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking lightproc v0.3.5
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bastion-utils v0.3.2
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.5
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking lever v0.1.2
[INFO] [stderr]     Checking bastion-executor v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub use crate::blocking::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^ the name `spawn_blocking` in the value namespace is first re-exported here
[INFO] [stdout] 46 |     pub use crate::pool::*;
[INFO] [stdout]    |             -------------- but the name `spawn_blocking` in the value namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking tokio-test v0.4.2
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/stats.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bastion-executor` (bench "stats") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/blocking.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bastion-executor` (bench "blocking") due to 1 previous error
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/spawn.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bastion_executor::load_balancer`
[INFO] [stdout]  --> benches/spawn.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use bastion_executor::load_balancer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bastion-executor` (bench "spawn") due to 1 previous error; 1 warning emitted
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/perf.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/run_blocking.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bastion_executor::run::run`
[INFO] [stdout]  --> benches/run_blocking.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use bastion_executor::run::run;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::future::join_all`
[INFO] [stdout]  --> benches/run_blocking.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures::future::join_all;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bastion-executor` (bench "perf") due to 1 previous error
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/lib.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub use crate::blocking::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^ the name `spawn_blocking` in the value namespace is first re-exported here
[INFO] [stdout] 46 |     pub use crate::pool::*;
[INFO] [stdout]    |             -------------- but the name `spawn_blocking` in the value namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bastion-executor` (bench "run_blocking") due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "59646232bbc5ddc4b5b735b8a8aebb25e44a6cd29f226decd6291ddd6bba63c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59646232bbc5ddc4b5b735b8a8aebb25e44a6cd29f226decd6291ddd6bba63c1", kill_on_drop: false }`
[INFO] [stdout] 59646232bbc5ddc4b5b735b8a8aebb25e44a6cd29f226decd6291ddd6bba63c1
