[INFO] fetching crate edelcrantz 0.6.1...
[INFO] checking edelcrantz-0.6.1 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate edelcrantz 0.6.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate edelcrantz 0.6.1 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate edelcrantz 0.6.1
[INFO] finished tweaking crates.io crate edelcrantz 0.6.1
[INFO] tweaked toml for crates.io crate edelcrantz 0.6.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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] 25b241c3c19af265a32f64822c840371b3f247b656d53bced8655181a08b0ced
[INFO] running `Command { std: "docker" "start" "-a" "25b241c3c19af265a32f64822c840371b3f247b656d53bced8655181a08b0ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25b241c3c19af265a32f64822c840371b3f247b656d53bced8655181a08b0ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b241c3c19af265a32f64822c840371b3f247b656d53bced8655181a08b0ced", kill_on_drop: false }`
[INFO] [stdout] 25b241c3c19af265a32f64822c840371b3f247b656d53bced8655181a08b0ced
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d004987372a50ffb8c4449d56de3e0d369e151b2be1d1efe8ad86dc4ab4eef6
[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" "1d004987372a50ffb8c4449d56de3e0d369e151b2be1d1efe8ad86dc4ab4eef6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling byteorder_async v1.2.0
[INFO] [stderr]     Checking postcard-cobs v0.1.5-pre
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking sluice v0.5.4
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nb-connect v1.0.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.6
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking duplexify v1.2.2
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking postcard v0.5.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.17
[INFO] [stderr]     Checking edelcrantz v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:269:3
[INFO] [stdout]     |
[INFO] [stdout] 269 | #[serde(bound = "")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 270 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]     |                 --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:269:3
[INFO] [stdout]     |
[INFO] [stdout] 269 | #[serde(bound = "")]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout] 270 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]     |                 --------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "1d004987372a50ffb8c4449d56de3e0d369e151b2be1d1efe8ad86dc4ab4eef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d004987372a50ffb8c4449d56de3e0d369e151b2be1d1efe8ad86dc4ab4eef6", kill_on_drop: false }`
[INFO] [stdout] 1d004987372a50ffb8c4449d56de3e0d369e151b2be1d1efe8ad86dc4ab4eef6