[INFO] fetching crate constellation-rs 0.2.0-alpha.1...
[INFO] documenting constellation-rs-0.2.0-alpha.1 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate constellation-rs 0.2.0-alpha.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate constellation-rs 0.2.0-alpha.1 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate constellation-rs 0.2.0-alpha.1
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate constellation-rs 0.2.0-alpha.1
[INFO] tweaked toml for crates.io crate constellation-rs 0.2.0-alpha.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate constellation-rs 0.2.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_closure v0.2.10
[INFO] [stderr]   Downloaded serde_traitobject v0.2.4
[INFO] [stderr]   Downloaded palaver v0.3.0-alpha.2
[INFO] [stderr]   Downloaded serde_closure_derive v0.2.10
[INFO] [stderr]   Downloaded constellation-internal v0.2.0-alpha.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bab05787ebc97b9e813e90f508ffdf362c3aa2a1dd9c96cbab84bc9df6096d9b
[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" "bab05787ebc97b9e813e90f508ffdf362c3aa2a1dd9c96cbab84bc9df6096d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bab05787ebc97b9e813e90f508ffdf362c3aa2a1dd9c96cbab84bc9df6096d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bab05787ebc97b9e813e90f508ffdf362c3aa2a1dd9c96cbab84bc9df6096d9b", kill_on_drop: false }`
[INFO] [stdout] bab05787ebc97b9e813e90f508ffdf362c3aa2a1dd9c96cbab84bc9df6096d9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bc14a60f118808001625d307693ea6c6351d0a7a5871e061925494711817e24
[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" "0bc14a60f118808001625d307693ea6c6351d0a7a5871e061925494711817e24", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling heapless v0.5.3
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[INFO] [stderr]    Compiling autocfg v0.1.7
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[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling build_id v0.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling relative v0.2.2
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
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[INFO] [stderr]     Checking metatype v0.2.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling constellation-rs v0.2.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking textwrap v0.11.0
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[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking as-slice v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking procfs v0.7.7
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[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]     Checking regex v1.3.4
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[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling serde_closure_derive v0.2.10
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]     Checking serde_bytes v0.11.3
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking erased-serde v0.3.10
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_closure v0.2.10
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking serde_pipe v0.1.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking cargo_metadata v0.9.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking palaver v0.2.8
[INFO] [stderr]     Checking socketstat v0.1.0
[INFO] [stderr]     Checking constellation-internal v0.2.0-alpha.1
[INFO] [stderr]     Checking tcp_typed v0.1.4
[INFO] [stderr]     Checking serde_traitobject v0.2.4
[INFO] [stderr]     Checking notifier v0.1.3
[INFO] [stderr]  Documenting constellation-rs v0.2.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:687:22
[INFO] [stdout]     |
[INFO] [stdout] 687 |       let start = FnOnce!(move |parent| {
[INFO] [stdout]     |                           ^----
[INFO] [stdout]     |                           |
[INFO] [stdout]     |  _________________________help: remove this `mut`
[INFO] [stdout]     | |
[INFO] [stdout] 688 | |         let arg: Vec<u8> = arg;
[INFO] [stdout]     | |______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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" "0bc14a60f118808001625d307693ea6c6351d0a7a5871e061925494711817e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc14a60f118808001625d307693ea6c6351d0a7a5871e061925494711817e24", kill_on_drop: false }`
[INFO] [stdout] 0bc14a60f118808001625d307693ea6c6351d0a7a5871e061925494711817e24