[INFO] fetching crate concat-util 0.2.0...
[INFO] testing concat-util-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate concat-util 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate concat-util 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concat-util 0.2.0
[INFO] finished tweaking crates.io crate concat-util 0.2.0
[INFO] tweaked toml for crates.io crate concat-util 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate concat-util 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d53201d376ff11ab89110a6ae15f5e29a786b04f00501cdcdc6c2410d52aa6f2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d53201d376ff11ab89110a6ae15f5e29a786b04f00501cdcdc6c2410d52aa6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d53201d376ff11ab89110a6ae15f5e29a786b04f00501cdcdc6c2410d52aa6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d53201d376ff11ab89110a6ae15f5e29a786b04f00501cdcdc6c2410d52aa6f2", kill_on_drop: false }`
[INFO] [stdout] d53201d376ff11ab89110a6ae15f5e29a786b04f00501cdcdc6c2410d52aa6f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 856d4d45c923a5d8d6b4fb83e35257bc3ed797b38f34b66be6ffbdd5bdd369e7
[INFO] running `Command { std: "docker" "start" "-a" "856d4d45c923a5d8d6b4fb83e35257bc3ed797b38f34b66be6ffbdd5bdd369e7", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.1
[INFO] [stderr]    Compiling structopt v0.3.1
[INFO] [stderr]    Compiling concat-util v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.07s
[INFO] running `Command { std: "docker" "inspect" "856d4d45c923a5d8d6b4fb83e35257bc3ed797b38f34b66be6ffbdd5bdd369e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "856d4d45c923a5d8d6b4fb83e35257bc3ed797b38f34b66be6ffbdd5bdd369e7", kill_on_drop: false }`
[INFO] [stdout] 856d4d45c923a5d8d6b4fb83e35257bc3ed797b38f34b66be6ffbdd5bdd369e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 89d515b97c8d707517938c3d71642f35f95096569d3308814ff854a115d5e49d
[INFO] running `Command { std: "docker" "start" "-a" "89d515b97c8d707517938c3d71642f35f95096569d3308814ff854a115d5e49d", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling concat-util v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "89d515b97c8d707517938c3d71642f35f95096569d3308814ff854a115d5e49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89d515b97c8d707517938c3d71642f35f95096569d3308814ff854a115d5e49d", kill_on_drop: false }`
[INFO] [stdout] 89d515b97c8d707517938c3d71642f35f95096569d3308814ff854a115d5e49d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d68814338cf0b27d70763df9cd78e1dd3210475f11e192234aa50aae7cf08b07
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d68814338cf0b27d70763df9cd78e1dd3210475f11e192234aa50aae7cf08b07", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/concat-94e0491d651881a7
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::normal_concatenation_works ... ok
[INFO] [stdout] test tests::escaped_concatenation_works ... ok
[INFO] [stdout] test tests::quoted_concatenation_works ... ok
[INFO] [stdout] test tests::quoted_and_delimited_concatenation_works ... ok
[INFO] [stdout] test tests::escaping_escapes_works ... ok
[INFO] [stdout] test tests::delimited_concatenation_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d68814338cf0b27d70763df9cd78e1dd3210475f11e192234aa50aae7cf08b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d68814338cf0b27d70763df9cd78e1dd3210475f11e192234aa50aae7cf08b07", kill_on_drop: false }`
[INFO] [stdout] d68814338cf0b27d70763df9cd78e1dd3210475f11e192234aa50aae7cf08b07