[INFO] fetching crate serde_tokenstream 0.1.2...
[INFO] checking serde_tokenstream-0.1.2 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate serde_tokenstream 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate serde_tokenstream 0.1.2 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e43ae2e7c9d8d05787d0b7f8ed275a7bddd125189ac5b4e63c8e37b14902bf5
[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" "4e43ae2e7c9d8d05787d0b7f8ed275a7bddd125189ac5b4e63c8e37b14902bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e43ae2e7c9d8d05787d0b7f8ed275a7bddd125189ac5b4e63c8e37b14902bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e43ae2e7c9d8d05787d0b7f8ed275a7bddd125189ac5b4e63c8e37b14902bf5", kill_on_drop: false }`
[INFO] [stdout] 4e43ae2e7c9d8d05787d0b7f8ed275a7bddd125189ac5b4e63c8e37b14902bf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0b7156efd2e80ffdcd70f7260c0e5ada7451eec237f459c387f5a0ab10a35cc
[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" "f0b7156efd2e80ffdcd70f7260c0e5ada7451eec237f459c387f5a0ab10a35cc", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking proc-macro2 v1.0.20
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_tokenstream v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking trybuild v1.0.33
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.79s
[INFO] running `Command { std: "docker" "inspect" "f0b7156efd2e80ffdcd70f7260c0e5ada7451eec237f459c387f5a0ab10a35cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b7156efd2e80ffdcd70f7260c0e5ada7451eec237f459c387f5a0ab10a35cc", kill_on_drop: false }`
[INFO] [stdout] f0b7156efd2e80ffdcd70f7260c0e5ada7451eec237f459c387f5a0ab10a35cc