[INFO] fetching crate thread_io 0.3.1...
[INFO] testing thread_io-0.3.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate thread_io 0.3.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate thread_io 0.3.1
[INFO] finished tweaking crates.io crate thread_io 0.3.1
[INFO] tweaked toml for crates.io crate thread_io 0.3.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate thread_io 0.3.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd0190ad5ad2c56307b0825ca71104d08c8120eae7f39388db2dfb4d63b5d74a
[INFO] running `Command { std: "docker" "start" "-a" "fd0190ad5ad2c56307b0825ca71104d08c8120eae7f39388db2dfb4d63b5d74a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd0190ad5ad2c56307b0825ca71104d08c8120eae7f39388db2dfb4d63b5d74a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd0190ad5ad2c56307b0825ca71104d08c8120eae7f39388db2dfb4d63b5d74a", kill_on_drop: false }`
[INFO] [stdout] fd0190ad5ad2c56307b0825ca71104d08c8120eae7f39388db2dfb4d63b5d74a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c87b102b1d94a21ead6f72fd7034cf19045544e6eb54da13604c2370bdcaebf
[INFO] running `Command { std: "docker" "start" "-a" "5c87b102b1d94a21ead6f72fd7034cf19045544e6eb54da13604c2370bdcaebf", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling thread_io v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "5c87b102b1d94a21ead6f72fd7034cf19045544e6eb54da13604c2370bdcaebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c87b102b1d94a21ead6f72fd7034cf19045544e6eb54da13604c2370bdcaebf", kill_on_drop: false }`
[INFO] [stdout] 5c87b102b1d94a21ead6f72fd7034cf19045544e6eb54da13604c2370bdcaebf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a524ca5f28f161ebbf45de0493dad684159f22af9680ffbacce3499450f03f87
[INFO] running `Command { std: "docker" "start" "-a" "a524ca5f28f161ebbf45de0493dad684159f22af9680ffbacce3499450f03f87", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread_io v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> tests/read.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |         data: &'a [u8],
[INFO] [stdout]    |                -- the lifetime is named here
[INFO] [stdout] ...
[INFO] [stdout] 22 |     ) -> Reader {
[INFO] [stdout]    |          ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 22 |     ) -> Reader<'a> {
[INFO] [stdout]    |                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "a524ca5f28f161ebbf45de0493dad684159f22af9680ffbacce3499450f03f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a524ca5f28f161ebbf45de0493dad684159f22af9680ffbacce3499450f03f87", kill_on_drop: false }`
[INFO] [stdout] a524ca5f28f161ebbf45de0493dad684159f22af9680ffbacce3499450f03f87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dc1639c6a54e0a59f265dd72fd1c6afc4aa45ad0a38a39d875df576d9ad5112c
[INFO] running `Command { std: "docker" "start" "-a" "dc1639c6a54e0a59f265dd72fd1c6afc4aa45ad0a38a39d875df576d9ad5112c", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> tests/read.rs:22:10
[INFO] [stderr]    |
[INFO] [stderr] 17 |         data: &'a [u8],
[INFO] [stderr]    |                -- the lifetime is named here
[INFO] [stderr] ...
[INFO] [stderr] 22 |     ) -> Reader {
[INFO] [stderr]    |          ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 22 |     ) -> Reader<'a> {
[INFO] [stderr]    |                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `thread_io` (test "read") generated 1 warning (run `cargo fix --test "read"` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/thread_io-180b02bf7e7456f2)
[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]      Running tests/read.rs (/opt/rustwide/target/debug/deps/read-3c1048394f771a89)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test read_interrupted ... ok
[INFO] [stdout] test read_fail_processing ... ok
[INFO] [stdout] test read_panic - should panic ... ok
[INFO] [stdout] test reader_init_fail ... ok
[INFO] [stdout] test read_panic_processing - should panic ... ok
[INFO] [stdout] test reader_init_panic - should panic ... ok
[INFO] [stdout] test read_fail ... ok
[INFO] [stdout] test read ... ok
[INFO] [stderr]      Running tests/write.rs (/opt/rustwide/target/debug/deps/write-627fe32571127c51)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.36s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test write_source_fail ... ok
[INFO] [stdout] test writer_init_fail ... ok
[INFO] [stdout] test writer_flush ... ok
[INFO] [stdout] test writer_init_panic - should panic ... ok
[INFO] [stdout] test write_source_panic - should panic ... ok
[INFO] [stdout] test write_thread ... ok
[INFO] [stderr]    Doc-tests thread_io
[INFO] [stdout] test write_fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.91s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/write.rs - write::writer (line 222) ... ok
[INFO] [stdout] test src/write.rs - write::writer_init (line 250) ... ok
[INFO] [stdout] test src/write.rs - write::writer_finish (line 287) ... ok
[INFO] [stdout] test src/read.rs - read::reader (line 198) ... ok
[INFO] [stdout] test src/read.rs - read::reader_init (line 226) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dc1639c6a54e0a59f265dd72fd1c6afc4aa45ad0a38a39d875df576d9ad5112c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc1639c6a54e0a59f265dd72fd1c6afc4aa45ad0a38a39d875df576d9ad5112c", kill_on_drop: false }`
[INFO] [stdout] dc1639c6a54e0a59f265dd72fd1c6afc4aa45ad0a38a39d875df576d9ad5112c