[INFO] fetching crate serde_tokenstream 0.1.2...
[INFO] checking serde_tokenstream-0.1.2 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate serde_tokenstream 0.1.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate serde_tokenstream 0.1.2 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_tokenstream 0.1.2
[INFO] finished tweaking crates.io crate serde_tokenstream 0.1.2
[INFO] tweaked toml for crates.io crate serde_tokenstream 0.1.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 794a4dd8ef38d4746904a70621b483892d2a6287b688a3b8b7e6a4ac0f1b1369
[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" "794a4dd8ef38d4746904a70621b483892d2a6287b688a3b8b7e6a4ac0f1b1369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "794a4dd8ef38d4746904a70621b483892d2a6287b688a3b8b7e6a4ac0f1b1369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "794a4dd8ef38d4746904a70621b483892d2a6287b688a3b8b7e6a4ac0f1b1369", kill_on_drop: false }`
[INFO] [stdout] 794a4dd8ef38d4746904a70621b483892d2a6287b688a3b8b7e6a4ac0f1b1369
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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] 7e3d579a5bdf2b4ff39f81b8f48bbc17eb375e8782e2059dac6b29fdcfff7b79
[INFO] running `Command { std: "docker" "start" "-a" "7e3d579a5bdf2b4ff39f81b8f48bbc17eb375e8782e2059dac6b29fdcfff7b79", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling trybuild v1.0.35
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking syn v1.0.42
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_tokenstream v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.30s
[INFO] running `Command { std: "docker" "inspect" "7e3d579a5bdf2b4ff39f81b8f48bbc17eb375e8782e2059dac6b29fdcfff7b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e3d579a5bdf2b4ff39f81b8f48bbc17eb375e8782e2059dac6b29fdcfff7b79", kill_on_drop: false }`
[INFO] [stdout] 7e3d579a5bdf2b4ff39f81b8f48bbc17eb375e8782e2059dac6b29fdcfff7b79