[INFO] fetching crate juniper_serde 0.1.0...
[INFO] checking juniper_serde-0.1.0 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] extracting crate juniper_serde 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate juniper_serde 0.1.0 on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate juniper_serde 0.1.0
[INFO] finished tweaking crates.io crate juniper_serde 0.1.0
[INFO] tweaked toml for crates.io crate juniper_serde 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "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] 5956335d1777cf2b19e6b8ac2f7b3463656e4c26283d7fc7cd8e286c9e2175a7
[INFO] running `Command { std: "docker" "start" "-a" "5956335d1777cf2b19e6b8ac2f7b3463656e4c26283d7fc7cd8e286c9e2175a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5956335d1777cf2b19e6b8ac2f7b3463656e4c26283d7fc7cd8e286c9e2175a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5956335d1777cf2b19e6b8ac2f7b3463656e4c26283d7fc7cd8e286c9e2175a7", kill_on_drop: false }`
[INFO] [stdout] 5956335d1777cf2b19e6b8ac2f7b3463656e4c26283d7fc7cd8e286c9e2175a7
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f64d5d60417c3aac800f07dcadbe694933bddeb57017763408944323bd2c674
[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" "6f64d5d60417c3aac800f07dcadbe694933bddeb57017763408944323bd2c674", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking hashbrown v0.9.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling juniper_codegen v0.12.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking juniper v0.12.0
[INFO] [stderr]     Checking juniper_serde v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "6f64d5d60417c3aac800f07dcadbe694933bddeb57017763408944323bd2c674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f64d5d60417c3aac800f07dcadbe694933bddeb57017763408944323bd2c674", kill_on_drop: false }`
[INFO] [stdout] 6f64d5d60417c3aac800f07dcadbe694933bddeb57017763408944323bd2c674