[INFO] fetching crate taskpipe 0.1.2...
[INFO] checking taskpipe-0.1.2 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate taskpipe 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate taskpipe 0.1.2 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 305d644e3a2ca93604ad88343a2c0b4c1d167541e3cba4576456d831567aea45
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "305d644e3a2ca93604ad88343a2c0b4c1d167541e3cba4576456d831567aea45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "305d644e3a2ca93604ad88343a2c0b4c1d167541e3cba4576456d831567aea45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305d644e3a2ca93604ad88343a2c0b4c1d167541e3cba4576456d831567aea45", kill_on_drop: false }`
[INFO] [stdout] 305d644e3a2ca93604ad88343a2c0b4c1d167541e3cba4576456d831567aea45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd75ec2d084525bd55611e05f441a4d7c964ad61c118a184cd49ed4c1aa0231b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cd75ec2d084525bd55611e05f441a4d7c964ad61c118a184cd49ed4c1aa0231b", 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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cd75ec2d084525bd55611e05f441a4d7c964ad61c118a184cd49ed4c1aa0231b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd75ec2d084525bd55611e05f441a4d7c964ad61c118a184cd49ed4c1aa0231b", kill_on_drop: false }`
[INFO] [stdout] cd75ec2d084525bd55611e05f441a4d7c964ad61c118a184cd49ed4c1aa0231b