[INFO] fetching crate bytes_chain 1.1.8...
[INFO] testing bytes_chain-1.1.8 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate bytes_chain 1.1.8 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate bytes_chain 1.1.8 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 bytes_chain 1.1.8
[INFO] finished tweaking crates.io crate bytes_chain 1.1.8
[INFO] tweaked toml for crates.io crate bytes_chain 1.1.8 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 1416179c360e8c59ce49cff21c0b0e63918a8eac9c20878df2693f43b1eafc21
[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" "1416179c360e8c59ce49cff21c0b0e63918a8eac9c20878df2693f43b1eafc21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1416179c360e8c59ce49cff21c0b0e63918a8eac9c20878df2693f43b1eafc21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1416179c360e8c59ce49cff21c0b0e63918a8eac9c20878df2693f43b1eafc21", kill_on_drop: false }`
[INFO] [stdout] 1416179c360e8c59ce49cff21c0b0e63918a8eac9c20878df2693f43b1eafc21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] e5e5c857ba2ffa8b7645f052391002a2ebe9449a747cbf21602d8033c29a982e
[INFO] running `Command { std: "docker" "start" "-a" "e5e5c857ba2ffa8b7645f052391002a2ebe9449a747cbf21602d8033c29a982e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes_chain v1.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `NumberAble` is imported redundantly
[INFO] [stdout]    --> src/buffer.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 4   | use crate::NumberAble;
[INFO] [stdout]     |     ----------------- the item `NumberAble` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 141 |         use crate::NumberAble;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/number.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn tf<T>(buf: &NumberAble, i: usize) -> T
[INFO] [stdout]    |                ^^^^^^^^^^ help: use `dyn`: `dyn NumberAble`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "e5e5c857ba2ffa8b7645f052391002a2ebe9449a747cbf21602d8033c29a982e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5e5c857ba2ffa8b7645f052391002a2ebe9449a747cbf21602d8033c29a982e", kill_on_drop: false }`
[INFO] [stdout] e5e5c857ba2ffa8b7645f052391002a2ebe9449a747cbf21602d8033c29a982e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] b36b79ae39d83b2e8c1ffd26eb4fc58014d1be31fb8337b2dc754daa896fe6d4
[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" "b36b79ae39d83b2e8c1ffd26eb4fc58014d1be31fb8337b2dc754daa896fe6d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes_chain v1.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `NumberAble` is imported redundantly
[INFO] [stdout]    --> src/buffer.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 4   | use crate::NumberAble;
[INFO] [stdout]     |     ----------------- the item `NumberAble` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 141 |         use crate::NumberAble;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/number.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn tf<T>(buf: &NumberAble, i: usize) -> T
[INFO] [stdout]    |                ^^^^^^^^^^ help: use `dyn`: `dyn NumberAble`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `NumberAble` is imported redundantly
[INFO] [stdout]    --> src/buffer.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 4   | use crate::NumberAble;
[INFO] [stdout]     |     ----------------- the item `NumberAble` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 141 |         use crate::NumberAble;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/number.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn tf<T>(buf: &NumberAble, i: usize) -> T
[INFO] [stdout]    |                ^^^^^^^^^^ help: use `dyn`: `dyn NumberAble`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "b36b79ae39d83b2e8c1ffd26eb4fc58014d1be31fb8337b2dc754daa896fe6d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b36b79ae39d83b2e8c1ffd26eb4fc58014d1be31fb8337b2dc754daa896fe6d4", kill_on_drop: false }`
[INFO] [stdout] b36b79ae39d83b2e8c1ffd26eb4fc58014d1be31fb8337b2dc754daa896fe6d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 38970190d359e6edc88809c9b6e2c78d5cfe10dc9bb158f60680e455ee252889
[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" "38970190d359e6edc88809c9b6e2c78d5cfe10dc9bb158f60680e455ee252889", kill_on_drop: false }`
[INFO] [stderr] warning: the item `NumberAble` is imported redundantly
[INFO] [stderr]    --> src/buffer.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 4   | use crate::NumberAble;
[INFO] [stderr]     |     ----------------- the item `NumberAble` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 141 |         use crate::NumberAble;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/number.rs:77:16
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn tf<T>(buf: &NumberAble, i: usize) -> T
[INFO] [stderr]    |                ^^^^^^^^^^ help: use `dyn`: `dyn NumberAble`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the item `NumberAble` is imported redundantly
[INFO] [stderr]    --> src/buffer.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 4   | use crate::NumberAble;
[INFO] [stderr]     |     ----------------- the item `NumberAble` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 141 |         use crate::NumberAble;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/number.rs:77:16
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn tf<T>(buf: &NumberAble, i: usize) -> T
[INFO] [stderr]    |                ^^^^^^^^^^ help: use `dyn`: `dyn NumberAble`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bytes_chain-a1273d331ea9d33d
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test buffer::test_bytes_buffer_slice ... ok
[INFO] [stdout] test number::test_number_for_buffer ... ok
[INFO] [stdout] test buffer::test_io_buf ... ok
[INFO] [stdout] test buffer::test_bytes_buffer_normal ... ok
[INFO] [stdout] test buffer::test_buffer_truncate ... ok
[INFO] [stdout] test number::test_number_for_slice ... ok
[INFO] [stdout] test buffer::test_buffer_in_buffer ... 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]    Doc-tests bytes_chain
[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" "38970190d359e6edc88809c9b6e2c78d5cfe10dc9bb158f60680e455ee252889", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38970190d359e6edc88809c9b6e2c78d5cfe10dc9bb158f60680e455ee252889", kill_on_drop: false }`
[INFO] [stdout] 38970190d359e6edc88809c9b6e2c78d5cfe10dc9bb158f60680e455ee252889