[INFO] fetching crate read-from 0.5.2...
[INFO] testing read-from-0.5.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate read-from 0.5.2 into /workspace/builds/worker-48/source
[INFO] validating manifest of crates.io crate read-from 0.5.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate read-from 0.5.2
[INFO] finished tweaking crates.io crate read-from 0.5.2
[INFO] tweaked toml for crates.io crate read-from 0.5.2 written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "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-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cbb02344d7bc5d092ca2b1ea35ffe2c5b67289408a8543c8fd5d7acd4573daa
[INFO] running `Command { std: "docker" "start" "-a" "9cbb02344d7bc5d092ca2b1ea35ffe2c5b67289408a8543c8fd5d7acd4573daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cbb02344d7bc5d092ca2b1ea35ffe2c5b67289408a8543c8fd5d7acd4573daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cbb02344d7bc5d092ca2b1ea35ffe2c5b67289408a8543c8fd5d7acd4573daa", kill_on_drop: false }`
[INFO] [stdout] 9cbb02344d7bc5d092ca2b1ea35ffe2c5b67289408a8543c8fd5d7acd4573daa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36807ff75ef5ae8b98e5d5a89d3412fb47ce852bb49ca46916955c1361dbcbfc
[INFO] running `Command { std: "docker" "start" "-a" "36807ff75ef5ae8b98e5d5a89d3412fb47ce852bb49ca46916955c1361dbcbfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling read-from v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "36807ff75ef5ae8b98e5d5a89d3412fb47ce852bb49ca46916955c1361dbcbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36807ff75ef5ae8b98e5d5a89d3412fb47ce852bb49ca46916955c1361dbcbfc", kill_on_drop: false }`
[INFO] [stdout] 36807ff75ef5ae8b98e5d5a89d3412fb47ce852bb49ca46916955c1361dbcbfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd8f24ad608ae49181ee6f07aa3676e9afe4e9923a1017c6515ca08ac78ec1dd
[INFO] running `Command { std: "docker" "start" "-a" "dd8f24ad608ae49181ee6f07aa3676e9afe4e9923a1017c6515ca08ac78ec1dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling read-from v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "dd8f24ad608ae49181ee6f07aa3676e9afe4e9923a1017c6515ca08ac78ec1dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8f24ad608ae49181ee6f07aa3676e9afe4e9923a1017c6515ca08ac78ec1dd", kill_on_drop: false }`
[INFO] [stdout] dd8f24ad608ae49181ee6f07aa3676e9afe4e9923a1017c6515ca08ac78ec1dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 99c734a51601b39c07576d4f8a571fdd55e1a4afa049bcf8474582fcc56442a5
[INFO] running `Command { std: "docker" "start" "-a" "99c734a51601b39c07576d4f8a571fdd55e1a4afa049bcf8474582fcc56442a5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/read_from-dc7d9a655e31af16)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests read-from
[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 5 tests
[INFO] [stdout] test src/lib.rs - ReadFrom (line 25) ... ok
[INFO] [stdout] test src/lib.rs - NativeEndian (line 221) ... ok
[INFO] [stdout] test src/lib.rs - WriteTo (line 78) ... ok
[INFO] [stdout] test src/lib.rs - LittleEndian (line 185) ... ok
[INFO] [stdout] test src/lib.rs - BigEndian (line 203) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "99c734a51601b39c07576d4f8a571fdd55e1a4afa049bcf8474582fcc56442a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c734a51601b39c07576d4f8a571fdd55e1a4afa049bcf8474582fcc56442a5", kill_on_drop: false }`
[INFO] [stdout] 99c734a51601b39c07576d4f8a571fdd55e1a4afa049bcf8474582fcc56442a5