[INFO] fetching crate rena 1.1.1...
[INFO] checking rena-1.1.1 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] extracting crate rena 1.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rena 1.1.1 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rena 1.1.1
[INFO] finished tweaking crates.io crate rena 1.1.1
[INFO] tweaked toml for crates.io crate rena 1.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rena 1.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-error v0.1.2
[INFO] [stderr]   Downloaded eyre v0.6.1
[INFO] [stderr]   Downloaded sharded-slab v0.0.9
[INFO] [stderr]   Downloaded color-spantrace v0.1.4
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.12
[INFO] [stderr]   Downloaded strfmt v0.1.6
[INFO] [stderr]   Downloaded paris v1.5.7
[INFO] [stderr]   Downloaded owo-colors v1.1.3
[INFO] [stderr]   Downloaded indenter v0.3.0
[INFO] [stderr]   Downloaded color-eyre v0.5.5
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", 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] a6d887594e184a7bb8f19b54cae7b9fe84712f7fdceefb7a63ed0c3f4e3a1ce5
[INFO] running `Command { std: "docker" "start" "-a" "a6d887594e184a7bb8f19b54cae7b9fe84712f7fdceefb7a63ed0c3f4e3a1ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6d887594e184a7bb8f19b54cae7b9fe84712f7fdceefb7a63ed0c3f4e3a1ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d887594e184a7bb8f19b54cae7b9fe84712f7fdceefb7a63ed0c3f4e3a1ce5", kill_on_drop: false }`
[INFO] [stdout] a6d887594e184a7bb8f19b54cae7b9fe84712f7fdceefb7a63ed0c3f4e3a1ce5
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--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] 42e4600a173bd860cd9a0a5f0b35f4db3aa221359965bd3a76b07398e5aeb090
[INFO] running `Command { std: "docker" "start" "-a" "42e4600a173bd860cd9a0a5f0b35f4db3aa221359965bd3a76b07398e5aeb090", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling eyre v0.6.1
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking indenter v0.3.0
[INFO] [stderr]     Checking owo-colors v1.1.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking paris v1.5.7
[INFO] [stderr]     Checking strfmt v0.1.6
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking tracing-subscriber v0.2.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.4
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking color-eyre v0.5.5
[INFO] [stderr]     Checking rena v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.57s
[INFO] running `Command { std: "docker" "inspect" "42e4600a173bd860cd9a0a5f0b35f4db3aa221359965bd3a76b07398e5aeb090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42e4600a173bd860cd9a0a5f0b35f4db3aa221359965bd3a76b07398e5aeb090", kill_on_drop: false }`
[INFO] [stdout] 42e4600a173bd860cd9a0a5f0b35f4db3aa221359965bd3a76b07398e5aeb090