[INFO] fetching crate taskpipe 0.1.2...
[INFO] checking taskpipe-0.1.2 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate taskpipe 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate taskpipe 0.1.2 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate taskpipe 0.1.2
[INFO] finished tweaking crates.io crate taskpipe 0.1.2
[INFO] tweaked toml for crates.io crate taskpipe 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bc52bd839df4367d2e5815ddda31018f706302055bee1aa54e0c0454e864794
[INFO] running `Command { std: "docker" "start" "-a" "2bc52bd839df4367d2e5815ddda31018f706302055bee1aa54e0c0454e864794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bc52bd839df4367d2e5815ddda31018f706302055bee1aa54e0c0454e864794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bc52bd839df4367d2e5815ddda31018f706302055bee1aa54e0c0454e864794", kill_on_drop: false }`
[INFO] [stdout] 2bc52bd839df4367d2e5815ddda31018f706302055bee1aa54e0c0454e864794
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 898a87ccdf995ee1958e0699e5d0562200821f3667e47653d67f421aa3c4bfc3
[INFO] running `Command { std: "docker" "start" "-a" "898a87ccdf995ee1958e0699e5d0562200821f3667e47653d67f421aa3c4bfc3", kill_on_drop: false }`
[INFO] [stderr]     Checking taskpipe v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::thread::JoinGuard`
[INFO] [stdout]  --> src/lib.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::thread::{Thread,JoinGuard};
[INFO] [stdout]   |                          ^^^^^^^^^ no `JoinGuard` in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::thread::JoinGuard`
[INFO] [stdout]  --> src/lib.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::thread::{Thread,JoinGuard};
[INFO] [stdout]   |                          ^^^^^^^^^ no `JoinGuard` in `thread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `spawn` found for struct `Thread` in the current scope
[INFO] [stdout]   --> src/lib.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Thread::spawn(move || {
[INFO] [stdout]    |             ^^^^^ function or associated item not found in `Thread`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `Thread` consider using one of the following associated functions:
[INFO] [stdout]       Thread::new
[INFO] [stdout]       Thread::new_unnamed
[INFO] [stdout]       Thread::new_main
[INFO] [stdout]       Thread::new_inner
[INFO] [stdout]   --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/thread/mod.rs:1321:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `spawn` found for struct `Thread` in the current scope
[INFO] [stdout]   --> src/lib.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Thread::spawn(move || {
[INFO] [stdout]    |             ^^^^^ function or associated item not found in `Thread`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `Thread` consider using one of the following associated functions:
[INFO] [stdout]       Thread::new
[INFO] [stdout]       Thread::new_unnamed
[INFO] [stdout]       Thread::new_main
[INFO] [stdout]       Thread::new_inner
[INFO] [stdout]   --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/thread/mod.rs:1321:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `spawn` found for struct `Thread` in the current scope
[INFO] [stdout]   --> src/lib.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |         Thread::spawn(move || {
[INFO] [stdout]    |                 ^^^^^ function or associated item not found in `Thread`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `Thread` consider using one of the following associated functions:
[INFO] [stdout]       Thread::new
[INFO] [stdout]       Thread::new_unnamed
[INFO] [stdout]       Thread::new_main
[INFO] [stdout]       Thread::new_inner
[INFO] [stdout]   --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/thread/mod.rs:1321:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `spawn` found for struct `Thread` in the current scope
[INFO] [stdout]   --> src/lib.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |         Thread::spawn(move || {
[INFO] [stdout]    |                 ^^^^^ function or associated item not found in `Thread`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `Thread` consider using one of the following associated functions:
[INFO] [stdout]       Thread::new
[INFO] [stdout]       Thread::new_unnamed
[INFO] [stdout]       Thread::new_main
[INFO] [stdout]       Thread::new_inner
[INFO] [stdout]   --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/thread/mod.rs:1321:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `spawn` found for struct `Thread` in the current scope
[INFO] [stdout]   --> src/lib.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Thread::spawn(move || {
[INFO] [stdout]    |                 ^^^^^ function or associated item not found in `Thread`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `Thread` consider using one of the following associated functions:
[INFO] [stdout]       Thread::new
[INFO] [stdout]       Thread::new_unnamed
[INFO] [stdout]       Thread::new_main
[INFO] [stdout]       Thread::new_inner
[INFO] [stdout]   --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/thread/mod.rs:1321:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `spawn` found for struct `Thread` in the current scope
[INFO] [stdout]   --> src/lib.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Thread::spawn(move || {
[INFO] [stdout]    |                 ^^^^^ function or associated item not found in `Thread`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `Thread` consider using one of the following associated functions:
[INFO] [stdout]       Thread::new
[INFO] [stdout]       Thread::new_unnamed
[INFO] [stdout]       Thread::new_main
[INFO] [stdout]       Thread::new_inner
[INFO] [stdout]   --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/thread/mod.rs:1321:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `spawn` found for struct `Thread` in the current scope
[INFO] [stdout]   --> src/lib.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |         Thread::spawn(move || {
[INFO] [stdout]    |                 ^^^^^ function or associated item not found in `Thread`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `Thread` consider using one of the following associated functions:
[INFO] [stdout]       Thread::new
[INFO] [stdout]       Thread::new_unnamed
[INFO] [stdout]       Thread::new_main
[INFO] [stdout]       Thread::new_inner
[INFO] [stdout]   --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/thread/mod.rs:1321:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `spawn` found for struct `Thread` in the current scope
[INFO] [stdout]   --> src/lib.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |         Thread::spawn(move || {
[INFO] [stdout]    |                 ^^^^^ function or associated item not found in `Thread`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `Thread` consider using one of the following associated functions:
[INFO] [stdout]       Thread::new
[INFO] [stdout]       Thread::new_unnamed
[INFO] [stdout]       Thread::new_main
[INFO] [stdout]       Thread::new_inner
[INFO] [stdout]   --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/thread/mod.rs:1321:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `scoped` found for struct `Thread` in the current scope
[INFO] [stdout]    --> src/lib.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |         Thread::scoped(move || {
[INFO] [stdout]     |                 ^^^^^^ function or associated item not found in `Thread`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Thread` consider using one of the following associated functions:
[INFO] [stdout]       Thread::new
[INFO] [stdout]       Thread::new_unnamed
[INFO] [stdout]       Thread::new_main
[INFO] [stdout]       Thread::new_inner
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/thread/mod.rs:1321:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `scoped` found for struct `Thread` in the current scope
[INFO] [stdout]    --> src/lib.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |         Thread::scoped(move || {
[INFO] [stdout]     |                 ^^^^^^ function or associated item not found in `Thread`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Thread` consider using one of the following associated functions:
[INFO] [stdout]       Thread::new
[INFO] [stdout]       Thread::new_unnamed
[INFO] [stdout]       Thread::new_main
[INFO] [stdout]       Thread::new_inner
[INFO] [stdout]    --> /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/thread/mod.rs:1321:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `taskpipe` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `taskpipe` (lib test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "898a87ccdf995ee1958e0699e5d0562200821f3667e47653d67f421aa3c4bfc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "898a87ccdf995ee1958e0699e5d0562200821f3667e47653d67f421aa3c4bfc3", kill_on_drop: false }`
[INFO] [stdout] 898a87ccdf995ee1958e0699e5d0562200821f3667e47653d67f421aa3c4bfc3