[INFO] fetching crate lazy_transducer 0.2.1...
[INFO] testing lazy_transducer-0.2.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate lazy_transducer 0.2.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate lazy_transducer 0.2.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lazy_transducer 0.2.1
[INFO] finished tweaking crates.io crate lazy_transducer 0.2.1
[INFO] tweaked toml for crates.io crate lazy_transducer 0.2.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate lazy_transducer 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scroll v0.10.1
[INFO] [stderr]   Downloaded scroll_derive v0.10.1
[INFO] [stderr]   Downloaded thiserror v1.0.11
[INFO] [stderr]   Downloaded thiserror-impl v1.0.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1eb2d8279be987cbee42da5ada925fb4157f221e10f57b4dc952fc90a015e2d
[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" "b1eb2d8279be987cbee42da5ada925fb4157f221e10f57b4dc952fc90a015e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1eb2d8279be987cbee42da5ada925fb4157f221e10f57b4dc952fc90a015e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1eb2d8279be987cbee42da5ada925fb4157f221e10f57b4dc952fc90a015e2d", kill_on_drop: false }`
[INFO] [stdout] b1eb2d8279be987cbee42da5ada925fb4157f221e10f57b4dc952fc90a015e2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] d0de6a95858c3ba0e720aa8c7de00a2598eeec7908e8deb828452792c2976ebe
[INFO] running `Command { std: "docker" "start" "-a" "d0de6a95858c3ba0e720aa8c7de00a2598eeec7908e8deb828452792c2976ebe", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]    Compiling thiserror v1.0.11
[INFO] [stderr]    Compiling lazy_transducer v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.43s
[INFO] running `Command { std: "docker" "inspect" "d0de6a95858c3ba0e720aa8c7de00a2598eeec7908e8deb828452792c2976ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0de6a95858c3ba0e720aa8c7de00a2598eeec7908e8deb828452792c2976ebe", kill_on_drop: false }`
[INFO] [stdout] d0de6a95858c3ba0e720aa8c7de00a2598eeec7908e8deb828452792c2976ebe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 57512a46b136fe4878f5b97c2008806c0e1240dda727cb73f578512f5b9d213e
[INFO] running `Command { std: "docker" "start" "-a" "57512a46b136fe4878f5b97c2008806c0e1240dda727cb73f578512f5b9d213e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling scroll v0.10.1
[INFO] [stderr]    Compiling lazy_transducer v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `LE`
[INFO] [stdout]  --> tests/test.rs:4:60
[INFO] [stdout]   |
[INFO] [stdout] 4 | use scroll::{IOread, IOwrite, Pread, Pwrite, SizeWith, BE, LE};
[INFO] [stdout]   |                                                            ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]  --> tests/test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.68s
[INFO] running `Command { std: "docker" "inspect" "57512a46b136fe4878f5b97c2008806c0e1240dda727cb73f578512f5b9d213e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57512a46b136fe4878f5b97c2008806c0e1240dda727cb73f578512f5b9d213e", kill_on_drop: false }`
[INFO] [stdout] 57512a46b136fe4878f5b97c2008806c0e1240dda727cb73f578512f5b9d213e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2df512fd294d722f5dcf6b777385784aa2d91380d869e0b643c63a28385a243c
[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" "2df512fd294d722f5dcf6b777385784aa2d91380d869e0b643c63a28385a243c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `LE`
[INFO] [stderr]  --> tests/test.rs:4:60
[INFO] [stderr]   |
[INFO] [stderr] 4 | use scroll::{IOread, IOwrite, Pread, Pwrite, SizeWith, BE, LE};
[INFO] [stderr]   |                                                            ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Cursor`
[INFO] [stderr]  --> tests/test.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::Cursor;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lazy_transducer-c5ee263be40abb55
[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 /opt/rustwide/target/debug/deps/test-58b0aea09f08b4de
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test lifetime_transducer ... ok
[INFO] [stdout] test basic_transducer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lazy_transducer
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lazy_transducer.rs - lazy_transducer::LazyTransducer::new (line 128) ... ok
[INFO] [stdout] test src/lazy_transducer.rs - lazy_transducer::LazyTransducer::get (line 147) ... ok
[INFO] [stdout] test src/lazy_transducer.rs - lazy_transducer::LazyTransducer (line 31) ... ok
[INFO] [stdout] test src/builder.rs - builder::Builder (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lazy_transducer.rs - lazy_transducer::LazyTransducer (line 53) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2df512fd294d722f5dcf6b777385784aa2d91380d869e0b643c63a28385a243c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df512fd294d722f5dcf6b777385784aa2d91380d869e0b643c63a28385a243c", kill_on_drop: false }`
[INFO] [stdout] 2df512fd294d722f5dcf6b777385784aa2d91380d869e0b643c63a28385a243c