[INFO] fetching crate zulip 0.1.0...
[INFO] checking zulip-0.1.0 against beta for pr-78714
[INFO] extracting crate zulip 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate zulip 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zulip 0.1.0
[INFO] finished tweaking crates.io crate zulip 0.1.0
[INFO] tweaked toml for crates.io crate zulip 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate zulip 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72fa7c9110cd07ac3d1ba9336c128c2b8087147d09a64281bbe5ec5117554c5e
[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" "72fa7c9110cd07ac3d1ba9336c128c2b8087147d09a64281bbe5ec5117554c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72fa7c9110cd07ac3d1ba9336c128c2b8087147d09a64281bbe5ec5117554c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72fa7c9110cd07ac3d1ba9336c128c2b8087147d09a64281bbe5ec5117554c5e", kill_on_drop: false }`
[INFO] [stdout] 72fa7c9110cd07ac3d1ba9336c128c2b8087147d09a64281bbe5ec5117554c5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta" "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] 0e78ecd1e1d12da50ce3537ab4076e477f02a7ec03c3caf0811f9754045eef5a
[INFO] running `Command { std: "docker" "start" "-a" "0e78ecd1e1d12da50ce3537ab4076e477f02a7ec03c3caf0811f9754045eef5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]    Compiling isahc v0.7.6
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking paw-raw v1.0.0
[INFO] [stderr]     Checking urlencoding v1.0.0
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.25
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking libz-sys v1.0.25
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking sluice v0.4.2
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling paw-attributes v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking paw v1.0.0
[INFO] [stderr]    Compiling proc-macro-error v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.3
[INFO] [stderr]     Checking surf v1.0.3
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling structopt-derive v0.4.0
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking structopt v0.3.7
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking zulip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `unicode_width::UnicodeWidthStr`
[INFO] [stdout]  --> src/commands/message.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use unicode_width::UnicodeWidthStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unicode_width::UnicodeWidthStr`
[INFO] [stdout]  --> src/commands/topics.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use unicode_width::UnicodeWidthStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unicode_width::UnicodeWidthStr`
[INFO] [stdout]  --> src/commands/message.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use unicode_width::UnicodeWidthStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unicode_width::UnicodeWidthStr`
[INFO] [stdout]  --> src/commands/topics.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use unicode_width::UnicodeWidthStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/commands/message.rs:101:10
[INFO] [stdout]     |
[INFO] [stdout] 101 |     for (id, (stream_id, topic)) in filtered {
[INFO] [stdout]     |          ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `msg`
[INFO] [stdout]  --> src/commands/message.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Success { msg: String, messages: Vec<Message> },
[INFO] [stdout]   |               ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `description`
[INFO] [stdout]   --> src/commands/message.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     description: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `invite_only`
[INFO] [stdout]   --> src/commands/message.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     invite_only: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/commands/message.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stream_id`
[INFO] [stdout]   --> src/commands/message.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     stream_id: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `msg`
[INFO] [stdout]  --> src/commands/streams.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Success { msg: String, streams: Vec<Stream> },
[INFO] [stdout]   |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `invite_only`
[INFO] [stdout]   --> src/commands/streams.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     invite_only: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `msg`
[INFO] [stdout]  --> src/commands/topics.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Success { msg: String, topics: Vec<Topic> },
[INFO] [stdout]   |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_id`
[INFO] [stdout]   --> src/commands/topics.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     max_id: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/commands/message.rs:101:10
[INFO] [stdout]     |
[INFO] [stdout] 101 |     for (id, (stream_id, topic)) in filtered {
[INFO] [stdout]     |          ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `msg`
[INFO] [stdout]  --> src/commands/message.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Success { msg: String, messages: Vec<Message> },
[INFO] [stdout]   |               ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `description`
[INFO] [stdout]   --> src/commands/message.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     description: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `invite_only`
[INFO] [stdout]   --> src/commands/message.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     invite_only: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/commands/message.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stream_id`
[INFO] [stdout]   --> src/commands/message.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     stream_id: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `msg`
[INFO] [stdout]  --> src/commands/streams.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Success { msg: String, streams: Vec<Stream> },
[INFO] [stdout]   |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `invite_only`
[INFO] [stdout]   --> src/commands/streams.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     invite_only: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `msg`
[INFO] [stdout]  --> src/commands/topics.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Success { msg: String, topics: Vec<Topic> },
[INFO] [stdout]   |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_id`
[INFO] [stdout]   --> src/commands/topics.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     max_id: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "0e78ecd1e1d12da50ce3537ab4076e477f02a7ec03c3caf0811f9754045eef5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e78ecd1e1d12da50ce3537ab4076e477f02a7ec03c3caf0811f9754045eef5a", kill_on_drop: false }`
[INFO] [stdout] 0e78ecd1e1d12da50ce3537ab4076e477f02a7ec03c3caf0811f9754045eef5a