[INFO] fetching crate read-write-ext 0.1.1...
[INFO] testing read-write-ext-0.1.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate read-write-ext 0.1.1 into /workspace/builds/worker-85/source
[INFO] validating manifest of crates.io crate read-write-ext 0.1.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate read-write-ext 0.1.1
[INFO] finished tweaking crates.io crate read-write-ext 0.1.1
[INFO] tweaked toml for crates.io crate read-write-ext 0.1.1 written to /workspace/builds/worker-85/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixed-buffer v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3311b48bec87e92a74872b7659424de49bd49da94d0d57415c27b33427b870d
[INFO] running `Command { std: "docker" "start" "-a" "c3311b48bec87e92a74872b7659424de49bd49da94d0d57415c27b33427b870d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3311b48bec87e92a74872b7659424de49bd49da94d0d57415c27b33427b870d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3311b48bec87e92a74872b7659424de49bd49da94d0d57415c27b33427b870d", kill_on_drop: false }`
[INFO] [stdout] c3311b48bec87e92a74872b7659424de49bd49da94d0d57415c27b33427b870d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d19db201ce56913bbf0c2d8540c918cfeba794463e280916a5c1ebe6df1efc07
[INFO] running `Command { std: "docker" "start" "-a" "d19db201ce56913bbf0c2d8540c918cfeba794463e280916a5c1ebe6df1efc07", kill_on_drop: false }`
[INFO] [stderr]    Compiling read-write-ext v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "d19db201ce56913bbf0c2d8540c918cfeba794463e280916a5c1ebe6df1efc07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d19db201ce56913bbf0c2d8540c918cfeba794463e280916a5c1ebe6df1efc07", kill_on_drop: false }`
[INFO] [stdout] d19db201ce56913bbf0c2d8540c918cfeba794463e280916a5c1ebe6df1efc07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e44790aba5736eccbf9d52d6a3970bb96d7d43f4af74567cfb9e74c355f9c42
[INFO] running `Command { std: "docker" "start" "-a" "9e44790aba5736eccbf9d52d6a3970bb96d7d43f4af74567cfb9e74c355f9c42", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed-buffer v0.4.0
[INFO] [stderr]    Compiling read-write-ext v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "9e44790aba5736eccbf9d52d6a3970bb96d7d43f4af74567cfb9e74c355f9c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e44790aba5736eccbf9d52d6a3970bb96d7d43f4af74567cfb9e74c355f9c42", kill_on_drop: false }`
[INFO] [stdout] 9e44790aba5736eccbf9d52d6a3970bb96d7d43f4af74567cfb9e74c355f9c42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02d78d80c97802f8e22fcf542258327aea435ceb879c44a322e3930ba6186a79
[INFO] running `Command { std: "docker" "start" "-a" "02d78d80c97802f8e22fcf542258327aea435ceb879c44a322e3930ba6186a79", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/read_write_ext-4c64508cbe3c00b5)
[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/chain.rs (/opt/rustwide/target/debug/deps/chain-2f95a246e5729833)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test both_empty ... ok
[INFO] [stdout] test doesnt_read_second_when_first_has_data ... ok
[INFO] [stdout] test doesnt_read_second_when_first_returns_error ... ok
[INFO] [stdout] test passes_writes_through ... ok
[INFO] [stdout] test reads_first_then_second ... ok
[INFO] [stdout] test reads_second_when_first_empty ... ok
[INFO] [stdout] test returns_error_from_second ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/take.rs (/opt/rustwide/target/debug/deps/take-1b1afa9dfb5e626e)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_utils.rs (/opt/rustwide/target/debug/deps/test_utils-b31f3f0072d348e6)
[INFO] [stdout] running 10 tests
[INFO] [stderr]    Doc-tests read-write-ext
[INFO] [stdout] test doesnt_call_read_after_len_reached_in_multiple_reads ... ok
[INFO] [stdout] test doesnt_read_when_zero ... ok
[INFO] [stdout] test doesnt_call_read_after_len_reached ... ok
[INFO] [stdout] test empty ... ok
[INFO] [stdout] test exactly_len_in_multiple_reads ... ok
[INFO] [stdout] test exactly_len ... ok
[INFO] [stdout] test fewer_than_len ... ok
[INFO] [stdout] test fewer_than_len_in_multiple_reads ... ok
[INFO] [stdout] test passes_writes_through ... ok
[INFO] [stdout] test read_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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] [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" "02d78d80c97802f8e22fcf542258327aea435ceb879c44a322e3930ba6186a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02d78d80c97802f8e22fcf542258327aea435ceb879c44a322e3930ba6186a79", kill_on_drop: false }`
[INFO] [stdout] 02d78d80c97802f8e22fcf542258327aea435ceb879c44a322e3930ba6186a79