[INFO] fetching crate futures-io 0.3.31...
[INFO] testing futures-io-0.3.31 against master#a1531335fe2807715fff569904d99602022643a7 for pr-145277
[INFO] extracting crate futures-io 0.3.31 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate futures-io 0.3.31
[INFO] finished tweaking crates.io crate futures-io 0.3.31
[INFO] tweaked toml for crates.io crate futures-io 0.3.31 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate futures-io 0.3.31 on toolchain a1531335fe2807715fff569904d99602022643a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 626b5e208290e43b688fdda7f3a2fd8523b77d49126e31720eec739bc1b1fb80
[INFO] running `Command { std: "docker" "start" "-a" "626b5e208290e43b688fdda7f3a2fd8523b77d49126e31720eec739bc1b1fb80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "626b5e208290e43b688fdda7f3a2fd8523b77d49126e31720eec739bc1b1fb80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "626b5e208290e43b688fdda7f3a2fd8523b77d49126e31720eec739bc1b1fb80", kill_on_drop: false }`
[INFO] [stdout] 626b5e208290e43b688fdda7f3a2fd8523b77d49126e31720eec739bc1b1fb80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e0719904309eee5846b01ab44e8ba8277a69fa5f9c8baee2a7310743824b2cc
[INFO] running `Command { std: "docker" "start" "-a" "8e0719904309eee5846b01ab44e8ba8277a69fa5f9c8baee2a7310743824b2cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io v0.3.31 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "8e0719904309eee5846b01ab44e8ba8277a69fa5f9c8baee2a7310743824b2cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e0719904309eee5846b01ab44e8ba8277a69fa5f9c8baee2a7310743824b2cc", kill_on_drop: false }`
[INFO] [stdout] 8e0719904309eee5846b01ab44e8ba8277a69fa5f9c8baee2a7310743824b2cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a2014ad75f6e3c171fa3ecc50c5136677b5860c580045f485866729095a3d74
[INFO] running `Command { std: "docker" "start" "-a" "8a2014ad75f6e3c171fa3ecc50c5136677b5860c580045f485866729095a3d74", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io v0.3.31 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "8a2014ad75f6e3c171fa3ecc50c5136677b5860c580045f485866729095a3d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a2014ad75f6e3c171fa3ecc50c5136677b5860c580045f485866729095a3d74", kill_on_drop: false }`
[INFO] [stdout] 8a2014ad75f6e3c171fa3ecc50c5136677b5860c580045f485866729095a3d74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 055ae874519a0b4f6b70d15b632e2c0b6d4b21abafc04cc65fdd4d5b74e8ba74
[INFO] running `Command { std: "docker" "start" "-a" "055ae874519a0b4f6b70d15b632e2c0b6d4b21abafc04cc65fdd4d5b74e8ba74", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/futures_io-7fd7e80f4564509c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures_io
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "055ae874519a0b4f6b70d15b632e2c0b6d4b21abafc04cc65fdd4d5b74e8ba74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "055ae874519a0b4f6b70d15b632e2c0b6d4b21abafc04cc65fdd4d5b74e8ba74", kill_on_drop: false }`
[INFO] [stdout] 055ae874519a0b4f6b70d15b632e2c0b6d4b21abafc04cc65fdd4d5b74e8ba74