[INFO] fetching crate yadon 0.1.1...
[INFO] testing yadon-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate yadon 0.1.1 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate yadon 0.1.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yadon 0.1.1
[INFO] finished tweaking crates.io crate yadon 0.1.1
[INFO] tweaked toml for crates.io crate yadon 0.1.1 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-2022-02-22" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d9a929d6effb68f8d0bd85452773477778204d4d6f7403f068b9005f3781fd4
[INFO] running `Command { std: "docker" "start" "-a" "7d9a929d6effb68f8d0bd85452773477778204d4d6f7403f068b9005f3781fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d9a929d6effb68f8d0bd85452773477778204d4d6f7403f068b9005f3781fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d9a929d6effb68f8d0bd85452773477778204d4d6f7403f068b9005f3781fd4", kill_on_drop: false }`
[INFO] [stdout] 7d9a929d6effb68f8d0bd85452773477778204d4d6f7403f068b9005f3781fd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d152e6d0186ee71df1149e638e1648a901a75d33f2daedb87a70b95e319876f2
[INFO] running `Command { std: "docker" "start" "-a" "d152e6d0186ee71df1149e638e1648a901a75d33f2daedb87a70b95e319876f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling yadon v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.36s
[INFO] running `Command { std: "docker" "inspect" "d152e6d0186ee71df1149e638e1648a901a75d33f2daedb87a70b95e319876f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d152e6d0186ee71df1149e638e1648a901a75d33f2daedb87a70b95e319876f2", kill_on_drop: false }`
[INFO] [stdout] d152e6d0186ee71df1149e638e1648a901a75d33f2daedb87a70b95e319876f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a42ddba99134d9745e5260e2d58ab23c2ca304a0460731e9615005f70610bf2
[INFO] running `Command { std: "docker" "start" "-a" "9a42ddba99134d9745e5260e2d58ab23c2ca304a0460731e9615005f70610bf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling yadon v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "9a42ddba99134d9745e5260e2d58ab23c2ca304a0460731e9615005f70610bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a42ddba99134d9745e5260e2d58ab23c2ca304a0460731e9615005f70610bf2", kill_on_drop: false }`
[INFO] [stdout] 9a42ddba99134d9745e5260e2d58ab23c2ca304a0460731e9615005f70610bf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c076e7db0b1dd32338a0cfa8f01ff7d0efec796eaf66b03d47a3b8124557480a
[INFO] running `Command { std: "docker" "start" "-a" "c076e7db0b1dd32338a0cfa8f01ff7d0efec796eaf66b03d47a3b8124557480a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yadon-810ac987d3e5dbb2)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::apply_smaller_than_target ... ok
[INFO] [stdout] test tests::failed_apply_write_end ... ok
[INFO] [stdout] test tests::cannot_seek_end_without_length ... ok
[INFO] [stdout] test tests::delayed_write ... ok
[INFO] [stdout] test tests::return_values ... ok
[INFO] [stdout] test tests::failed_apply_write_too_much ... ok
[INFO] [stdout] test tests::too_big_write ... ok
[INFO] [stdout] test tests::start_and_end ... ok
[INFO] [stdout] test tests::unspecified_length_end_seek_fails ... ok
[INFO] [stdout] test tests::unspecified_start_current_seek_assumes_0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests yadon
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Yadon (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c076e7db0b1dd32338a0cfa8f01ff7d0efec796eaf66b03d47a3b8124557480a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c076e7db0b1dd32338a0cfa8f01ff7d0efec796eaf66b03d47a3b8124557480a", kill_on_drop: false }`
[INFO] [stdout] c076e7db0b1dd32338a0cfa8f01ff7d0efec796eaf66b03d47a3b8124557480a