[INFO] fetching crate uu_echo 0.0.7...
[INFO] testing uu_echo-0.0.7 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate uu_echo 0.0.7 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate uu_echo 0.0.7 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 uu_echo 0.0.7
[INFO] finished tweaking crates.io crate uu_echo 0.0.7
[INFO] tweaked toml for crates.io crate uu_echo 0.0.7 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate crates.io crate uu_echo 0.0.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] cb587def584936cef19181b7d9f8a0e8e8a3186a6fee38a7c67ff9239cfcfe3f
[INFO] running `Command { std: "docker" "start" "-a" "cb587def584936cef19181b7d9f8a0e8e8a3186a6fee38a7c67ff9239cfcfe3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb587def584936cef19181b7d9f8a0e8e8a3186a6fee38a7c67ff9239cfcfe3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb587def584936cef19181b7d9f8a0e8e8a3186a6fee38a7c67ff9239cfcfe3f", kill_on_drop: false }`
[INFO] [stdout] cb587def584936cef19181b7d9f8a0e8e8a3186a6fee38a7c67ff9239cfcfe3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] ff1ae9e9135686dbda34e4b55f461c99988483fb00c453773008defc2d765610
[INFO] running `Command { std: "docker" "start" "-a" "ff1ae9e9135686dbda34e4b55f461c99988483fb00c453773008defc2d765610", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling dns-lookup v1.0.7
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling uucore v0.0.9
[INFO] [stderr]    Compiling uu_echo v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.29s
[INFO] running `Command { std: "docker" "inspect" "ff1ae9e9135686dbda34e4b55f461c99988483fb00c453773008defc2d765610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff1ae9e9135686dbda34e4b55f461c99988483fb00c453773008defc2d765610", kill_on_drop: false }`
[INFO] [stdout] ff1ae9e9135686dbda34e4b55f461c99988483fb00c453773008defc2d765610
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] f72a18b3f69545c35b0137d1289f27b44f0a5542e83eaab0623de36030ffc80b
[INFO] running `Command { std: "docker" "start" "-a" "f72a18b3f69545c35b0137d1289f27b44f0a5542e83eaab0623de36030ffc80b", kill_on_drop: false }`
[INFO] [stderr]    Compiling uu_echo v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "f72a18b3f69545c35b0137d1289f27b44f0a5542e83eaab0623de36030ffc80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f72a18b3f69545c35b0137d1289f27b44f0a5542e83eaab0623de36030ffc80b", kill_on_drop: false }`
[INFO] [stdout] f72a18b3f69545c35b0137d1289f27b44f0a5542e83eaab0623de36030ffc80b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 600d4fb2237ff7f5c59dcb6aa7ad35d554324a2d8c44099407841cccf7d8be65
[INFO] running `Command { std: "docker" "start" "-a" "600d4fb2237ff7f5c59dcb6aa7ad35d554324a2d8c44099407841cccf7d8be65", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/uu_echo-2d714987e2180eeb)
[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]      Running unittests (/opt/rustwide/target/debug/deps/echo-3c78d4acd2b3ca24)
[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 uu_echo
[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" "600d4fb2237ff7f5c59dcb6aa7ad35d554324a2d8c44099407841cccf7d8be65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "600d4fb2237ff7f5c59dcb6aa7ad35d554324a2d8c44099407841cccf7d8be65", kill_on_drop: false }`
[INFO] [stdout] 600d4fb2237ff7f5c59dcb6aa7ad35d554324a2d8c44099407841cccf7d8be65