[INFO] fetching crate preftool-toml 0.2.0...
[INFO] checking preftool-toml-0.2.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate preftool-toml 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate preftool-toml 0.2.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate preftool-toml 0.2.0
[INFO] finished tweaking crates.io crate preftool-toml 0.2.0
[INFO] tweaked toml for crates.io crate preftool-toml 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded caseless v0.2.1
[INFO] [stderr]   Downloaded preftool-dirs v0.2.0
[INFO] [stderr]   Downloaded dirs-sys v0.1.0
[INFO] [stderr]   Downloaded preftool v0.2.0
[INFO] [stderr]   Downloaded preftool-file v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 6e4a610e1cbc56e7cfb656fbcdd1dc11762e186cdd23eb9eacdf109434aeb3af
[INFO] running `Command { std: "docker" "start" "-a" "6e4a610e1cbc56e7cfb656fbcdd1dc11762e186cdd23eb9eacdf109434aeb3af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e4a610e1cbc56e7cfb656fbcdd1dc11762e186cdd23eb9eacdf109434aeb3af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e4a610e1cbc56e7cfb656fbcdd1dc11762e186cdd23eb9eacdf109434aeb3af", kill_on_drop: false }`
[INFO] [stdout] 6e4a610e1cbc56e7cfb656fbcdd1dc11762e186cdd23eb9eacdf109434aeb3af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c01353b21344ca483ace5a253dd5ef6241c78afc346a561bbba8a8d23c3f15be
[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" "c01353b21344ca483ace5a253dd5ef6241c78afc346a561bbba8a8d23c3f15be", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]     Checking dirs-sys v0.1.0
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling caseless v0.2.1
[INFO] [stderr]     Checking preftool v0.2.0
[INFO] [stderr]     Checking preftool-dirs v0.2.0
[INFO] [stderr]     Checking preftool-file v0.2.0
[INFO] [stderr]     Checking preftool-toml v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.91s
[INFO] running `Command { std: "docker" "inspect" "c01353b21344ca483ace5a253dd5ef6241c78afc346a561bbba8a8d23c3f15be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c01353b21344ca483ace5a253dd5ef6241c78afc346a561bbba8a8d23c3f15be", kill_on_drop: false }`
[INFO] [stdout] c01353b21344ca483ace5a253dd5ef6241c78afc346a561bbba8a8d23c3f15be