[INFO] fetching crate e9571_base64_pro_lib 0.1.0...
[INFO] testing e9571_base64_pro_lib-0.1.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate e9571_base64_pro_lib 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate e9571_base64_pro_lib 0.1.0
[INFO] finished tweaking crates.io crate e9571_base64_pro_lib 0.1.0
[INFO] tweaked toml for crates.io crate e9571_base64_pro_lib 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate e9571_base64_pro_lib 0.1.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate e9571_base64_pro_lib 0.1.0 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39b96e100d70d01caa1ecbee38d443dd12d003551ae1ae9319f2aa23fc6192f9
[INFO] running `Command { std: "docker" "start" "-a" "39b96e100d70d01caa1ecbee38d443dd12d003551ae1ae9319f2aa23fc6192f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39b96e100d70d01caa1ecbee38d443dd12d003551ae1ae9319f2aa23fc6192f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39b96e100d70d01caa1ecbee38d443dd12d003551ae1ae9319f2aa23fc6192f9", kill_on_drop: false }`
[INFO] [stdout] 39b96e100d70d01caa1ecbee38d443dd12d003551ae1ae9319f2aa23fc6192f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fe4a84babea6ce7c3fa5855c021dba707eb61b75d04023301a7d2d980bd9887
[INFO] running `Command { std: "docker" "start" "-a" "3fe4a84babea6ce7c3fa5855c021dba707eb61b75d04023301a7d2d980bd9887", kill_on_drop: false }`
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling e9571_base64_pro_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Engine as _` and `engine::general_purpose`
[INFO] [stdout]  --> src/lib.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use base64::{engine::general_purpose, Engine as _};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File` and `OpenOptions`
[INFO] [stdout]  --> src/lib.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{File, OpenOptions};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]  --> src/lib.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "3fe4a84babea6ce7c3fa5855c021dba707eb61b75d04023301a7d2d980bd9887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fe4a84babea6ce7c3fa5855c021dba707eb61b75d04023301a7d2d980bd9887", kill_on_drop: false }`
[INFO] [stdout] 3fe4a84babea6ce7c3fa5855c021dba707eb61b75d04023301a7d2d980bd9887
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de9eae8bd81615d1be7254f0a064fe1d601322d42b7b0b5bfc6f08d88ad218db
[INFO] running `Command { std: "docker" "start" "-a" "de9eae8bd81615d1be7254f0a064fe1d601322d42b7b0b5bfc6f08d88ad218db", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `Engine as _` and `engine::general_purpose`
[INFO] [stdout]  --> src/lib.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use base64::{engine::general_purpose, Engine as _};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File` and `OpenOptions`
[INFO] [stdout]  --> src/lib.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{File, OpenOptions};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]  --> src/lib.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling e9571_base64_pro_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Engine as _` and `engine::general_purpose`
[INFO] [stdout]  --> src/lib.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use base64::{engine::general_purpose, Engine as _};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File` and `OpenOptions`
[INFO] [stdout]  --> src/lib.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{File, OpenOptions};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read` and `Write`
[INFO] [stdout]  --> src/lib.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "de9eae8bd81615d1be7254f0a064fe1d601322d42b7b0b5bfc6f08d88ad218db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9eae8bd81615d1be7254f0a064fe1d601322d42b7b0b5bfc6f08d88ad218db", kill_on_drop: false }`
[INFO] [stdout] de9eae8bd81615d1be7254f0a064fe1d601322d42b7b0b5bfc6f08d88ad218db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 201046b5aaa334f90a02be1ca52a6b0f3c432c8bfb51373ac9adcd8304bb4462
[INFO] running `Command { std: "docker" "start" "-a" "201046b5aaa334f90a02be1ca52a6b0f3c432c8bfb51373ac9adcd8304bb4462", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Engine as _` and `engine::general_purpose`
[INFO] [stderr]  --> src/lib.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | use base64::{engine::general_purpose, Engine as _};
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `File` and `OpenOptions`
[INFO] [stderr]  --> src/lib.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::{File, OpenOptions};
[INFO] [stderr]   |               ^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Read` and `Write`
[INFO] [stderr]  --> src/lib.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{Read, Write};
[INFO] [stderr]   |               ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `e9571_base64_pro_lib` (lib) generated 4 warnings (run `cargo fix --lib -p e9571_base64_pro_lib` to apply 4 suggestions)
[INFO] [stderr] warning: `e9571_base64_pro_lib` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/e9571_base64_pro_lib-3b98af110b393d31)
[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 e9571_base64_pro_lib
[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" "201046b5aaa334f90a02be1ca52a6b0f3c432c8bfb51373ac9adcd8304bb4462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "201046b5aaa334f90a02be1ca52a6b0f3c432c8bfb51373ac9adcd8304bb4462", kill_on_drop: false }`
[INFO] [stdout] 201046b5aaa334f90a02be1ca52a6b0f3c432c8bfb51373ac9adcd8304bb4462