[INFO] fetching crate concat-string 1.0.1...
[INFO] testing concat-string-1.0.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate concat-string 1.0.1 into /workspace/builds/worker-48/source
[INFO] validating manifest of crates.io crate concat-string 1.0.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concat-string 1.0.1
[INFO] finished tweaking crates.io crate concat-string 1.0.1
[INFO] tweaked toml for crates.io crate concat-string 1.0.1 written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cff08038269b3c569619941f7d2349448f60e5a01741a7e9e5b387f65f5b4bca
[INFO] running `Command { std: "docker" "start" "-a" "cff08038269b3c569619941f7d2349448f60e5a01741a7e9e5b387f65f5b4bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cff08038269b3c569619941f7d2349448f60e5a01741a7e9e5b387f65f5b4bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cff08038269b3c569619941f7d2349448f60e5a01741a7e9e5b387f65f5b4bca", kill_on_drop: false }`
[INFO] [stdout] cff08038269b3c569619941f7d2349448f60e5a01741a7e9e5b387f65f5b4bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aff4d60bc78782c584e5e5687c7d6be5ff4fe5cbb72ec18b557b7a4663d3ae5
[INFO] running `Command { std: "docker" "start" "-a" "7aff4d60bc78782c584e5e5687c7d6be5ff4fe5cbb72ec18b557b7a4663d3ae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling concat-string v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "7aff4d60bc78782c584e5e5687c7d6be5ff4fe5cbb72ec18b557b7a4663d3ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aff4d60bc78782c584e5e5687c7d6be5ff4fe5cbb72ec18b557b7a4663d3ae5", kill_on_drop: false }`
[INFO] [stdout] 7aff4d60bc78782c584e5e5687c7d6be5ff4fe5cbb72ec18b557b7a4663d3ae5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7633b23d9ebd113559d42b69b75b73ee15eb206b6f3c9dbca929c7baa7e0d00
[INFO] running `Command { std: "docker" "start" "-a" "a7633b23d9ebd113559d42b69b75b73ee15eb206b6f3c9dbca929c7baa7e0d00", kill_on_drop: false }`
[INFO] [stderr]    Compiling concat-string v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "a7633b23d9ebd113559d42b69b75b73ee15eb206b6f3c9dbca929c7baa7e0d00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7633b23d9ebd113559d42b69b75b73ee15eb206b6f3c9dbca929c7baa7e0d00", kill_on_drop: false }`
[INFO] [stdout] a7633b23d9ebd113559d42b69b75b73ee15eb206b6f3c9dbca929c7baa7e0d00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4f1427c5db4465ab3a1401fc2934d73651658a84272be62afdd471079ea84cbc
[INFO] running `Command { std: "docker" "start" "-a" "4f1427c5db4465ab3a1401fc2934d73651658a84272be62afdd471079ea84cbc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/concat_string-21ab0c4ff6bf15bd)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::concat_string_1_arg ... ok
[INFO] [stdout] test tests::concat_string_str_string ... ok
[INFO] [stdout] test tests::concat_string_0_args ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests concat-string
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - concat_string (line 61) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f1427c5db4465ab3a1401fc2934d73651658a84272be62afdd471079ea84cbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f1427c5db4465ab3a1401fc2934d73651658a84272be62afdd471079ea84cbc", kill_on_drop: false }`
[INFO] [stdout] 4f1427c5db4465ab3a1401fc2934d73651658a84272be62afdd471079ea84cbc
