[INFO] fetching crate timeout_io 0.6.0...
[INFO] testing timeout_io-0.6.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate timeout_io 0.6.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate timeout_io 0.6.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate timeout_io 0.6.0
[INFO] finished tweaking crates.io crate timeout_io 0.6.0
[INFO] tweaked toml for crates.io crate timeout_io 0.6.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bb752e0c8446e8c12ea5b0f7147711cda8a02bad9bcb7adfb718f0e5bdbc20f
[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" "4bb752e0c8446e8c12ea5b0f7147711cda8a02bad9bcb7adfb718f0e5bdbc20f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bb752e0c8446e8c12ea5b0f7147711cda8a02bad9bcb7adfb718f0e5bdbc20f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bb752e0c8446e8c12ea5b0f7147711cda8a02bad9bcb7adfb718f0e5bdbc20f", kill_on_drop: false }`
[INFO] [stdout] 4bb752e0c8446e8c12ea5b0f7147711cda8a02bad9bcb7adfb718f0e5bdbc20f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9e9b5109aebc471104941d01d1a84d56d1398522923e44d57e14f0cfdab63224
[INFO] running `Command { std: "docker" "start" "-a" "9e9b5109aebc471104941d01d1a84d56d1398522923e44d57e14f0cfdab63224", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling timeout_io v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "9e9b5109aebc471104941d01d1a84d56d1398522923e44d57e14f0cfdab63224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e9b5109aebc471104941d01d1a84d56d1398522923e44d57e14f0cfdab63224", kill_on_drop: false }`
[INFO] [stdout] 9e9b5109aebc471104941d01d1a84d56d1398522923e44d57e14f0cfdab63224
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 25d73b8f836ad49249c9e78bceabf6d32cf1a95eca9d323cc98d75efe0ea8881
[INFO] running `Command { std: "docker" "start" "-a" "25d73b8f836ad49249c9e78bceabf6d32cf1a95eca9d323cc98d75efe0ea8881", kill_on_drop: false }`
[INFO] [stderr]    Compiling timeout_io v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/writer.rs:108:19
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 else { panic!(e) }
[INFO] [stdout]     |                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 else { panic!("{}", e) }
[INFO] [stdout]     |                               ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 else { std::panic::panic_any(e) }
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "25d73b8f836ad49249c9e78bceabf6d32cf1a95eca9d323cc98d75efe0ea8881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d73b8f836ad49249c9e78bceabf6d32cf1a95eca9d323cc98d75efe0ea8881", kill_on_drop: false }`
[INFO] [stdout] 25d73b8f836ad49249c9e78bceabf6d32cf1a95eca9d323cc98d75efe0ea8881
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 67fd12cefea69914197c1e276eb30fde2209e7187d5926dc90556d7b67090cb8
[INFO] running `Command { std: "docker" "start" "-a" "67fd12cefea69914197c1e276eb30fde2209e7187d5926dc90556d7b67090cb8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> tests/writer.rs:108:19
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 108 |                 else { panic!(e) }
[INFO] [stdout] 
[INFO] [stderr]     |                               ^
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 2 tests
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 else { panic!("{}", e) }
[INFO] [stderr]     |                               ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 else { std::panic::panic_any(e) }
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `timeout_io` (test "writer") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/timeout_io-c9185b212fa5fefd)
[INFO] [stderr]      Running tests/acceptor.rs (/opt/rustwide/target/debug/deps/acceptor-227554e22c903444)
[INFO] [stdout] test test_accept_timeout ... ok
[INFO] [stdout] test test_accept_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/reader.rs (/opt/rustwide/target/debug/deps/reader-f7023bc1b3940ebb)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test_read_oneshot_err ... ok
[INFO] [stdout] test test_read_exact_err ... ok
[INFO] [stdout] test test_read_until_not_found ... ok
[INFO] [stdout] test test_read_until_err ... ok
[INFO] [stdout] test test_read_oneshot_timeout ... ok
[INFO] [stdout] test test_read_oneshot_ok ... ok
[INFO] [stdout] test test_read_exact_ok ... ok
[INFO] [stdout] test test_read_until_ok ... ok
[INFO] [stdout] test test_read_exact_timeout ... ok
[INFO] [stdout] test test_read_until_timeout ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/resolver.rs (/opt/rustwide/target/debug/deps/resolver-171dc2eda8c8389c)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_dns_resolve_timeout ... ignored
[INFO] [stderr]      Running tests/writer.rs (/opt/rustwide/target/debug/deps/writer-dd0c6999c3b4c3a0)
[INFO] [stdout] test test_parse_ip_err ... ok
[INFO] [stdout] test test_dns_resolve_ok ... ok
[INFO] [stdout] test test_parse_ip_ok ... ok
[INFO] [stdout] test test_dns_resolve_invalid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_write_exact_timeout ... ignored
[INFO] [stdout] test test_write_oneshot_err_broken_pipe ... ignored
[INFO] [stdout] test test_write_oneshot_ok ... ok
[INFO] [stdout] test test_write_oneshot_err ... ok
[INFO] [stdout] test test_write_exact_err ... ok
[INFO] [stdout] test test_write_exact_ok ... ok
[INFO] [stderr]    Doc-tests timeout_io
[INFO] [stdout] test test_write_oneshot_timeout ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 2.39s
[INFO] [stdout] 
[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" "67fd12cefea69914197c1e276eb30fde2209e7187d5926dc90556d7b67090cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67fd12cefea69914197c1e276eb30fde2209e7187d5926dc90556d7b67090cb8", kill_on_drop: false }`
[INFO] [stdout] 67fd12cefea69914197c1e276eb30fde2209e7187d5926dc90556d7b67090cb8