[INFO] fetching crate rotating-buffer 0.2.0...
[INFO] testing rotating-buffer-0.2.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate rotating-buffer 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rotating-buffer 0.2.0
[INFO] finished tweaking crates.io crate rotating-buffer 0.2.0
[INFO] tweaked toml for crates.io crate rotating-buffer 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rotating-buffer 0.2.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rotating-buffer 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2086d02a585b7107060d2af396dd292f99a90987b847dd8bf7908aa7b44dd943
[INFO] running `Command { std: "docker" "start" "-a" "2086d02a585b7107060d2af396dd292f99a90987b847dd8bf7908aa7b44dd943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2086d02a585b7107060d2af396dd292f99a90987b847dd8bf7908aa7b44dd943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2086d02a585b7107060d2af396dd292f99a90987b847dd8bf7908aa7b44dd943", kill_on_drop: false }`
[INFO] [stdout] 2086d02a585b7107060d2af396dd292f99a90987b847dd8bf7908aa7b44dd943
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85740b67b8651bd166e031bcf9cd779391ea3e87c8b05d81cb05728b674db017
[INFO] running `Command { std: "docker" "start" "-a" "85740b67b8651bd166e031bcf9cd779391ea3e87c8b05d81cb05728b674db017", kill_on_drop: false }`
[INFO] [stderr]    Compiling rotating-buffer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "85740b67b8651bd166e031bcf9cd779391ea3e87c8b05d81cb05728b674db017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85740b67b8651bd166e031bcf9cd779391ea3e87c8b05d81cb05728b674db017", kill_on_drop: false }`
[INFO] [stdout] 85740b67b8651bd166e031bcf9cd779391ea3e87c8b05d81cb05728b674db017
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cf5d676577781341c21cb8f63b895fc26209322cfc8ef035b32ca8544d42592
[INFO] running `Command { std: "docker" "start" "-a" "5cf5d676577781341c21cb8f63b895fc26209322cfc8ef035b32ca8544d42592", kill_on_drop: false }`
[INFO] [stderr]    Compiling rotating-buffer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "5cf5d676577781341c21cb8f63b895fc26209322cfc8ef035b32ca8544d42592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf5d676577781341c21cb8f63b895fc26209322cfc8ef035b32ca8544d42592", kill_on_drop: false }`
[INFO] [stdout] 5cf5d676577781341c21cb8f63b895fc26209322cfc8ef035b32ca8544d42592
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 28b0b3d7654d2b84477c1357350d67d20df280634b31f02d8e1b472046748bf4
[INFO] running `Command { std: "docker" "start" "-a" "28b0b3d7654d2b84477c1357350d67d20df280634b31f02d8e1b472046748bf4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rotating_buffer-5c14c1dc52bf6653)
[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]    Doc-tests rotating_buffer
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - RotatingBuffer<T,S>::get_append_only (line 70) ... ok
[INFO] [stdout] test src/lib.rs - RotatingBuffer<T,S>::as_slice (line 54) ... ok
[INFO] [stdout] test src/lib.rs - RotatingBuffer<T,S>::rotate_right_and_resize_at (line 151) ... ok
[INFO] [stdout] test src/lib.rs - RotatingBuffer<T,S> (line 170) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - RotatingBuffer<T,S>::add_len (line 112) ... ok
[INFO] [stdout] test src/lib.rs - RotatingBuffer<T,S>::rotate_right_and_resize (line 132) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28b0b3d7654d2b84477c1357350d67d20df280634b31f02d8e1b472046748bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b0b3d7654d2b84477c1357350d67d20df280634b31f02d8e1b472046748bf4", kill_on_drop: false }`
[INFO] [stdout] 28b0b3d7654d2b84477c1357350d67d20df280634b31f02d8e1b472046748bf4