[INFO] fetching crate venom_log 0.1.2...
[INFO] testing venom_log-0.1.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate venom_log 0.1.2 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate venom_log 0.1.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate venom_log 0.1.2
[INFO] finished tweaking crates.io crate venom_log 0.1.2
[INFO] tweaked toml for crates.io crate venom_log 0.1.2 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6395e7b063926e9f95d8bf786cc543b80228fe5d6d2d18d3a9a5ac71f68aca83
[INFO] running `Command { std: "docker" "start" "-a" "6395e7b063926e9f95d8bf786cc543b80228fe5d6d2d18d3a9a5ac71f68aca83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6395e7b063926e9f95d8bf786cc543b80228fe5d6d2d18d3a9a5ac71f68aca83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6395e7b063926e9f95d8bf786cc543b80228fe5d6d2d18d3a9a5ac71f68aca83", kill_on_drop: false }`
[INFO] [stdout] 6395e7b063926e9f95d8bf786cc543b80228fe5d6d2d18d3a9a5ac71f68aca83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59588c2291a0ec785410d98ca0bd055ed923a94578eba314e326c153221638cd
[INFO] running `Command { std: "docker" "start" "-a" "59588c2291a0ec785410d98ca0bd055ed923a94578eba314e326c153221638cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling venom_log v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/plugin/packer.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `Command { std: "docker" "inspect" "59588c2291a0ec785410d98ca0bd055ed923a94578eba314e326c153221638cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59588c2291a0ec785410d98ca0bd055ed923a94578eba314e326c153221638cd", kill_on_drop: false }`
[INFO] [stdout] 59588c2291a0ec785410d98ca0bd055ed923a94578eba314e326c153221638cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 446173bb7d2490adbbb4830fda6adac5bab57889439637f6456d5ca046ef99ac
[INFO] running `Command { std: "docker" "start" "-a" "446173bb7d2490adbbb4830fda6adac5bab57889439637f6456d5ca046ef99ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling venom_log v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/plugin/packer.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/plugin/packer.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.58s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/venom_log-b82b83d82360c9b0)
[INFO] running `Command { std: "docker" "inspect" "446173bb7d2490adbbb4830fda6adac5bab57889439637f6456d5ca046ef99ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446173bb7d2490adbbb4830fda6adac5bab57889439637f6456d5ca046ef99ac", kill_on_drop: false }`
[INFO] [stdout] 446173bb7d2490adbbb4830fda6adac5bab57889439637f6456d5ca046ef99ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 596e4c2e2434e29eec058d5b564c0ff1db93f2933c11b10560c6f4c00b6fb712
[INFO] running `Command { std: "docker" "start" "-a" "596e4c2e2434e29eec058d5b564c0ff1db93f2933c11b10560c6f4c00b6fb712", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]   --> src/plugin/packer.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io::Write;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `venom_log` (lib) generated 1 warning
[INFO] [stderr] warning: `venom_log` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/venom_log-b82b83d82360c9b0)
[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 venom_log
[INFO] [stderr] error[E0659]: `venom_log` is ambiguous
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub use venom_log::*;
[INFO] [stderr]    |         ^^^^^^^^^ ambiguous name
[INFO] [stderr]    |
[INFO] [stderr]    = note: ambiguous because of multiple potential import sources
[INFO] [stderr]    = note: `venom_log` could refer to a crate passed with `--extern`
[INFO] [stderr]    = help: use `::venom_log` to refer to this crate unambiguously
[INFO] [stderr] note: `venom_log` could also refer to the module defined here
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub mod venom_log;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: use `crate::venom_log` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0659`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "596e4c2e2434e29eec058d5b564c0ff1db93f2933c11b10560c6f4c00b6fb712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "596e4c2e2434e29eec058d5b564c0ff1db93f2933c11b10560c6f4c00b6fb712", kill_on_drop: false }`
[INFO] [stdout] 596e4c2e2434e29eec058d5b564c0ff1db93f2933c11b10560c6f4c00b6fb712