[INFO] fetching crate concise-scanf-like-input 0.1.1...
[INFO] testing concise-scanf-like-input-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate concise-scanf-like-input 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate concise-scanf-like-input 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concise-scanf-like-input 0.1.1
[INFO] finished tweaking crates.io crate concise-scanf-like-input 0.1.1
[INFO] tweaked toml for crates.io crate concise-scanf-like-input 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74d03c597bca3e6c0633b1efbff867810ecb67d8a34f2169cbc78dfe6842ce8a
[INFO] running `Command { std: "docker" "start" "-a" "74d03c597bca3e6c0633b1efbff867810ecb67d8a34f2169cbc78dfe6842ce8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74d03c597bca3e6c0633b1efbff867810ecb67d8a34f2169cbc78dfe6842ce8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d03c597bca3e6c0633b1efbff867810ecb67d8a34f2169cbc78dfe6842ce8a", kill_on_drop: false }`
[INFO] [stdout] 74d03c597bca3e6c0633b1efbff867810ecb67d8a34f2169cbc78dfe6842ce8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0549e9d26c9f3af1171e7a07c8fd05c9876f426fa9b08b9b43c25acd381f3ce8
[INFO] running `Command { std: "docker" "start" "-a" "0549e9d26c9f3af1171e7a07c8fd05c9876f426fa9b08b9b43c25acd381f3ce8", kill_on_drop: false }`
[INFO] [stderr]    Compiling concise-scanf-like-input v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Read`, `Write`, `self`
[INFO] [stdout]  --> src/lib.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Read, 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 0.91s
[INFO] running `Command { std: "docker" "inspect" "0549e9d26c9f3af1171e7a07c8fd05c9876f426fa9b08b9b43c25acd381f3ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0549e9d26c9f3af1171e7a07c8fd05c9876f426fa9b08b9b43c25acd381f3ce8", kill_on_drop: false }`
[INFO] [stdout] 0549e9d26c9f3af1171e7a07c8fd05c9876f426fa9b08b9b43c25acd381f3ce8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86d8c91d0c5bd76d319387e8a13ba90dda715aa90848256b07c02530ed74f2ad
[INFO] running `Command { std: "docker" "start" "-a" "86d8c91d0c5bd76d319387e8a13ba90dda715aa90848256b07c02530ed74f2ad", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `Read`, `Write`, `self`
[INFO] [stdout]  --> src/lib.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Read, Write};
[INFO] [stdout]   |               ^^^^  ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling concise-scanf-like-input v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `Write`, `self`
[INFO] [stdout]  --> src/lib.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Read, Write};
[INFO] [stdout]   |               ^^^^  ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "86d8c91d0c5bd76d319387e8a13ba90dda715aa90848256b07c02530ed74f2ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86d8c91d0c5bd76d319387e8a13ba90dda715aa90848256b07c02530ed74f2ad", kill_on_drop: false }`
[INFO] [stdout] 86d8c91d0c5bd76d319387e8a13ba90dda715aa90848256b07c02530ed74f2ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a22fd28fb9af69fe2ef8fcb17f2be43bc0be9ada2a76696229ac475be9d0efe9
[INFO] running `Command { std: "docker" "start" "-a" "a22fd28fb9af69fe2ef8fcb17f2be43bc0be9ada2a76696229ac475be9d0efe9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused imports: `Read`, `Write`, `self`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/lib.rs:1:15
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 1 | use std::io::{self, Read, Write};
[INFO] [stdout] 
[INFO] [stderr]   |               ^^^^  ^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `concise-scanf-like-input` (lib) generated 1 warning
[INFO] [stderr] warning: `concise-scanf-like-input` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/concise_scanf_like_input-9bff9c2556eabbd0)
[INFO] [stderr]    Doc-tests concise-scanf-like-input
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - read_input_lines (line 8) ... ok
[INFO] [stdout] test src/lib.rs - read_line_of_vars (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.82s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a22fd28fb9af69fe2ef8fcb17f2be43bc0be9ada2a76696229ac475be9d0efe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a22fd28fb9af69fe2ef8fcb17f2be43bc0be9ada2a76696229ac475be9d0efe9", kill_on_drop: false }`
[INFO] [stdout] a22fd28fb9af69fe2ef8fcb17f2be43bc0be9ada2a76696229ac475be9d0efe9