[INFO] fetching crate srmw 0.1.1...
[INFO] checking srmw-0.1.1 against master#eb10639928a2781cf0a12440007fbcc1e3a6888f for pr-127827-1
[INFO] extracting crate srmw 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate srmw 0.1.1 on toolchain eb10639928a2781cf0a12440007fbcc1e3a6888f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate srmw 0.1.1
[INFO] finished tweaking crates.io crate srmw 0.1.1
[INFO] tweaked toml for crates.io crate srmw 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate srmw 0.1.1 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" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.9
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.3
[INFO] [stderr]   Downloaded thiserror v1.0.9
[INFO] [stderr]   Downloaded genawaiter v0.2.2
[INFO] [stderr]   Downloaded pin-utils v0.1.0-alpha.4
[INFO] [stderr]   Downloaded memoffset v0.5.3
[INFO] [stderr]   Downloaded futures-timer v2.0.2
[INFO] [stderr]   Downloaded futures-io v0.3.1
[INFO] [stderr]   Downloaded futures-sink v0.3.1
[INFO] [stderr]   Downloaded kv-log-macro v1.0.4
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.6
[INFO] [stderr]   Downloaded async-task v1.0.0
[INFO] [stderr]   Downloaded futures-channel v0.3.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.0
[INFO] [stderr]   Downloaded memchr v2.2.1
[INFO] [stderr]   Downloaded futures-util v0.3.1
[INFO] [stderr]   Downloaded syn v1.0.11
[INFO] [stderr]   Downloaded mio v0.6.21
[INFO] [stderr]   Downloaded futures v0.3.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.0
[INFO] [stderr]   Downloaded futures-executor v0.3.1
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.11
[INFO] [stderr]   Downloaded async-std v1.3.0
[INFO] [stderr]   Downloaded num_cpus v1.11.1
[INFO] [stderr]   Downloaded once_cell v1.2.0
[INFO] [stderr]   Downloaded pin-project-lite v0.1.1
[INFO] [stderr]   Downloaded futures-macro v0.3.1
[INFO] [stderr]   Downloaded futures-core v0.3.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.3
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] [stderr]   Downloaded futures-task v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffd24d0ad1b7d03984a7c4628ad5a72e9f81a4ca04b1aa6f4e51df4eca612f90
[INFO] running `Command { std: "docker" "start" "-a" "ffd24d0ad1b7d03984a7c4628ad5a72e9f81a4ca04b1aa6f4e51df4eca612f90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffd24d0ad1b7d03984a7c4628ad5a72e9f81a4ca04b1aa6f4e51df4eca612f90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd24d0ad1b7d03984a7c4628ad5a72e9f81a4ca04b1aa6f4e51df4eca612f90", kill_on_drop: false }`
[INFO] [stdout] ffd24d0ad1b7d03984a7c4628ad5a72e9f81a4ca04b1aa6f4e51df4eca612f90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67c988be7a714a72679d1cbad83b3811ce71c56e3884b49d6d0b6bce8ab7bc57
[INFO] running `Command { std: "docker" "start" "-a" "67c988be7a714a72679d1cbad83b3811ce71c56e3884b49d6d0b6bce8ab7bc57", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking genawaiter v0.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking async-task v1.0.0
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking async-std v1.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking srmw v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.64s
[INFO] running `Command { std: "docker" "inspect" "67c988be7a714a72679d1cbad83b3811ce71c56e3884b49d6d0b6bce8ab7bc57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67c988be7a714a72679d1cbad83b3811ce71c56e3884b49d6d0b6bce8ab7bc57", kill_on_drop: false }`
[INFO] [stdout] 67c988be7a714a72679d1cbad83b3811ce71c56e3884b49d6d0b6bce8ab7bc57
[INFO] checking srmw-0.1.1 against try#357cc345f0a672ac4bee347eb89b7552541416c1 for pr-127827-1
[INFO] extracting crate srmw 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate srmw 0.1.1 on toolchain 357cc345f0a672ac4bee347eb89b7552541416c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+357cc345f0a672ac4bee347eb89b7552541416c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate srmw 0.1.1
[INFO] finished tweaking crates.io crate srmw 0.1.1
[INFO] tweaked toml for crates.io crate srmw 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate srmw 0.1.1 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" "+357cc345f0a672ac4bee347eb89b7552541416c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+357cc345f0a672ac4bee347eb89b7552541416c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a4df21b14c6a3f8bafc320653264044171a77fd9d105f52c6bb737a32fd833b
[INFO] running `Command { std: "docker" "start" "-a" "2a4df21b14c6a3f8bafc320653264044171a77fd9d105f52c6bb737a32fd833b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a4df21b14c6a3f8bafc320653264044171a77fd9d105f52c6bb737a32fd833b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a4df21b14c6a3f8bafc320653264044171a77fd9d105f52c6bb737a32fd833b", kill_on_drop: false }`
[INFO] [stdout] 2a4df21b14c6a3f8bafc320653264044171a77fd9d105f52c6bb737a32fd833b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+357cc345f0a672ac4bee347eb89b7552541416c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0841a3d9d08e72dd7829e4a3ae775c1f085da63a3dc037cedd7139f15fd51b48
[INFO] running `Command { std: "docker" "start" "-a" "0841a3d9d08e72dd7829e4a3ae775c1f085da63a3dc037cedd7139f15fd51b48", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]     Checking genawaiter v0.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking async-task v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking async-std v1.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking srmw v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/copy.rs:40:25
[INFO] [stdout]    |
[INFO] [stdout] 40 |                         co.yield_(CopyEvent::NoWriters).await;
[INFO] [stdout]    |                         ^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/flush.rs:17:71
[INFO] [stdout]    |
[INFO] [stdout] 17 |                         .map(|(indice, writer)| async move { (indice, writer.flush().await) }),
[INFO] [stdout]    |                                                                       ^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/seek.rs:19:71
[INFO] [stdout]    |
[INFO] [stdout] 19 |                         .map(|(indice, writer)| async move { (indice, writer.seek(from).await) }),
[INFO] [stdout]    |                                                                       ^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/copy.rs:40:25
[INFO] [stdout]    |
[INFO] [stdout] 40 |                         co.yield_(CopyEvent::NoWriters).await;
[INFO] [stdout]    |                         ^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/flush.rs:17:71
[INFO] [stdout]    |
[INFO] [stdout] 17 |                         .map(|(indice, writer)| async move { (indice, writer.flush().await) }),
[INFO] [stdout]    |                                                                       ^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/validate.rs:59:25
[INFO] [stdout]    |
[INFO] [stdout] 59 |                         co.yield_(ValidationEvent::NoWriters).await;
[INFO] [stdout]    |                         ^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/seek.rs:19:71
[INFO] [stdout]    |
[INFO] [stdout] 19 |                         .map(|(indice, writer)| async move { (indice, writer.seek(from).await) }),
[INFO] [stdout]    |                                                                       ^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/validate.rs:59:25
[INFO] [stdout]    |
[INFO] [stdout] 59 |                         co.yield_(ValidationEvent::NoWriters).await;
[INFO] [stdout]    |                         ^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `srmw` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `srmw` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "0841a3d9d08e72dd7829e4a3ae775c1f085da63a3dc037cedd7139f15fd51b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0841a3d9d08e72dd7829e4a3ae775c1f085da63a3dc037cedd7139f15fd51b48", kill_on_drop: false }`
[INFO] [stdout] 0841a3d9d08e72dd7829e4a3ae775c1f085da63a3dc037cedd7139f15fd51b48