[INFO] fetching crate union 0.1.7...
[INFO] testing union-0.1.7 against 1.75.0 for beta-1.76-1
[INFO] extracting crate union 0.1.7 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate union 0.1.7 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate union 0.1.7
[INFO] finished tweaking crates.io crate union 0.1.7
[INFO] tweaked toml for crates.io crate union 0.1.7 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-join-macro-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded union_export v0.1.3
[INFO] [stderr]   Downloaded futures-select-macro-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded union_impl v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 094db4958ae38d4010f29a89d55fac33ae9645a411a050573cbc2e994f48f19f
[INFO] running `Command { std: "docker" "start" "-a" "094db4958ae38d4010f29a89d55fac33ae9645a411a050573cbc2e994f48f19f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "094db4958ae38d4010f29a89d55fac33ae9645a411a050573cbc2e994f48f19f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "094db4958ae38d4010f29a89d55fac33ae9645a411a050573cbc2e994f48f19f", kill_on_drop: false }`
[INFO] [stdout] 094db4958ae38d4010f29a89d55fac33ae9645a411a050573cbc2e994f48f19f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd29908abfe01f713b436ecb26ae9314da3b81e4f4071a2ceafebd709f1bc59d
[INFO] running `Command { std: "docker" "start" "-a" "fd29908abfe01f713b436ecb26ae9314da3b81e4f4071a2ceafebd709f1bc59d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling union_impl v0.1.3
[INFO] [stderr]    Compiling union_export v0.1.3
[INFO] [stderr]    Compiling union v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.00s
[INFO] running `Command { std: "docker" "inspect" "fd29908abfe01f713b436ecb26ae9314da3b81e4f4071a2ceafebd709f1bc59d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd29908abfe01f713b436ecb26ae9314da3b81e4f4071a2ceafebd709f1bc59d", kill_on_drop: false }`
[INFO] [stdout] fd29908abfe01f713b436ecb26ae9314da3b81e4f4071a2ceafebd709f1bc59d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ae648cf259d1d468be7523f136ce736962d140e81b8800a0a95d789b869b1cc
[INFO] running `Command { std: "docker" "start" "-a" "6ae648cf259d1d468be7523f136ce736962d140e81b8800a0a95d789b869b1cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling http v0.2.11
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-join-macro-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling unicode-bidi v0.3.14
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling openssl-sys v0.9.98
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling openssl v0.10.62
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling encoding_rs v0.8.33
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling ipnet v2.9.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling futures-timer v1.0.3
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling pin-project v1.1.3
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling hyper v0.13.10
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.10
[INFO] [stderr]    Compiling union v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> tests/union_async_spawn.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         rt.block_on(async {
[INFO] [stdout]    |         ^^ cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut rt = Runtime::new().unwrap();
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> tests/union_async_spawn.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         rt.block_on(async {
[INFO] [stdout]    |         ^^ cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut rt = Runtime::new().unwrap();
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> tests/union_async_spawn.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         rt.block_on(async {
[INFO] [stdout]     |         ^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut rt = Runtime::new().unwrap();
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> tests/union_async_spawn.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         rt.block_on(
[INFO] [stdout]     |         ^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let mut rt = Runtime::new().unwrap();
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> tests/union_async_spawn.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |         rt.block_on(async {
[INFO] [stdout]     |         ^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 250 |         let mut rt = Runtime::new().unwrap();
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> tests/union_async_spawn.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |         rt.block_on(async {
[INFO] [stdout]     |         ^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 289 |         let mut rt = Runtime::new().unwrap();
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> tests/union_async_spawn.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         rt.block_on(async {
[INFO] [stdout]     |         ^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 345 |         let mut rt = Runtime::new().unwrap();
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> tests/union_async_spawn.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |         rt.block_on(async {
[INFO] [stdout]     |         ^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 354 |         let mut rt = Runtime::new().unwrap();
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> tests/union_async_spawn.rs:365:9
[INFO] [stdout]     |
[INFO] [stdout] 365 |         rt.block_on(async {
[INFO] [stdout]     |         ^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 364 |         let mut rt = Runtime::new().unwrap();
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `union` (test "union_async_spawn") due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> tests/union_async.rs:406:9
[INFO] [stdout]     |
[INFO] [stdout] 406 |         rt.block_on(async {
[INFO] [stdout]     |         ^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 404 |         let mut rt = ::tokio::runtime::Runtime::new().unwrap();
[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 E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `union` (test "union_async") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6ae648cf259d1d468be7523f136ce736962d140e81b8800a0a95d789b869b1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae648cf259d1d468be7523f136ce736962d140e81b8800a0a95d789b869b1cc", kill_on_drop: false }`
[INFO] [stdout] 6ae648cf259d1d468be7523f136ce736962d140e81b8800a0a95d789b869b1cc
[INFO] testing union-0.1.7 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate union 0.1.7 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate union 0.1.7 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate union 0.1.7
[INFO] finished tweaking crates.io crate union 0.1.7
[INFO] tweaked toml for crates.io crate union 0.1.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d1852f9dd6b1d618270bdbd6930a8fb8ca61c2a0146da027ce88cbb49821ff9
[INFO] running `Command { std: "docker" "start" "-a" "2d1852f9dd6b1d618270bdbd6930a8fb8ca61c2a0146da027ce88cbb49821ff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d1852f9dd6b1d618270bdbd6930a8fb8ca61c2a0146da027ce88cbb49821ff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d1852f9dd6b1d618270bdbd6930a8fb8ca61c2a0146da027ce88cbb49821ff9", kill_on_drop: false }`
[INFO] [stdout] 2d1852f9dd6b1d618270bdbd6930a8fb8ca61c2a0146da027ce88cbb49821ff9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0446b55a691e1786169ec89fe1bee57f45fb86d8f63732ae0abdc78ece34748d
[INFO] running `Command { std: "docker" "start" "-a" "0446b55a691e1786169ec89fe1bee57f45fb86d8f63732ae0abdc78ece34748d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling union_impl v0.1.3
[INFO] [stderr]    Compiling union_export v0.1.3
[INFO] [stderr]    Compiling union v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.04s
[INFO] running `Command { std: "docker" "inspect" "0446b55a691e1786169ec89fe1bee57f45fb86d8f63732ae0abdc78ece34748d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0446b55a691e1786169ec89fe1bee57f45fb86d8f63732ae0abdc78ece34748d", kill_on_drop: false }`
[INFO] [stdout] 0446b55a691e1786169ec89fe1bee57f45fb86d8f63732ae0abdc78ece34748d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e058543a361fad2731827119c8030d2f87dd768f0f0e67ce7bbe9c4f1b4dd8b
[INFO] running `Command { std: "docker" "start" "-a" "7e058543a361fad2731827119c8030d2f87dd768f0f0e67ce7bbe9c4f1b4dd8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling http v0.2.11
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling futures-join-macro-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
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[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling unicode-bidi v0.3.14
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling openssl-sys v0.9.98
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling openssl v0.10.62
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling encoding_rs v0.8.33
[INFO] [stderr]    Compiling ipnet v2.9.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling futures-timer v1.0.3
[INFO] [stderr]    Compiling pin-project v1.1.3
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling hyper v0.13.10
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.10
[INFO] [stderr]    Compiling union v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> tests/union_async_spawn.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         rt.block_on(async {
[INFO] [stdout]    |         ^^ cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut rt = Runtime::new().unwrap();
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> tests/union_async_spawn.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         rt.block_on(async {
[INFO] [stdout]    |         ^^ cannot borrow as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut rt = Runtime::new().unwrap();
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> tests/union_async_spawn.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         rt.block_on(async {
[INFO] [stdout]     |         ^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let mut rt = Runtime::new().unwrap();
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> tests/union_async_spawn.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         rt.block_on(
[INFO] [stdout]     |         ^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let mut rt = Runtime::new().unwrap();
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> tests/union_async_spawn.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |         rt.block_on(async {
[INFO] [stdout]     |         ^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 250 |         let mut rt = Runtime::new().unwrap();
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> tests/union_async_spawn.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |         rt.block_on(async {
[INFO] [stdout]     |         ^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 289 |         let mut rt = Runtime::new().unwrap();
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> tests/union_async_spawn.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         rt.block_on(async {
[INFO] [stdout]     |         ^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 345 |         let mut rt = Runtime::new().unwrap();
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> tests/union_async_spawn.rs:355:9
[INFO] [stdout]     |
[INFO] [stdout] 355 |         rt.block_on(async {
[INFO] [stdout]     |         ^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 354 |         let mut rt = Runtime::new().unwrap();
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> tests/union_async_spawn.rs:365:9
[INFO] [stdout]     |
[INFO] [stdout] 365 |         rt.block_on(async {
[INFO] [stdout]     |         ^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 364 |         let mut rt = Runtime::new().unwrap();
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `union` (test "union_async_spawn") due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0596]: cannot borrow `rt` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> tests/union_async.rs:406:9
[INFO] [stdout]     |
[INFO] [stdout] 406 |         rt.block_on(async {
[INFO] [stdout]     |         ^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 404 |         let mut rt = ::tokio::runtime::Runtime::new().unwrap();
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `union` (test "union_async") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7e058543a361fad2731827119c8030d2f87dd768f0f0e67ce7bbe9c4f1b4dd8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e058543a361fad2731827119c8030d2f87dd768f0f0e67ce7bbe9c4f1b4dd8b", kill_on_drop: false }`
[INFO] [stdout] 7e058543a361fad2731827119c8030d2f87dd768f0f0e67ce7bbe9c4f1b4dd8b
