[INFO] cloning repository https://github.com/thomhuds/matrix_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomhuds/matrix_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomhuds%2Fmatrix_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomhuds%2Fmatrix_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86a993d3f0fb35e830532bfb90c99b220786d5a6
[INFO] checking thomhuds/matrix_server against try#961316100510fe780d266d35bcf68702fbb049e5 for pr-78935-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomhuds%2Fmatrix_server" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thomhuds/matrix_server on toolchain 961316100510fe780d266d35bcf68702fbb049e5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+961316100510fe780d266d35bcf68702fbb049e5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thomhuds/matrix_server
[INFO] finished tweaking git repo https://github.com/thomhuds/matrix_server
[INFO] tweaked toml for git repo https://github.com/thomhuds/matrix_server written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/thomhuds/matrix_server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+961316100510fe780d266d35bcf68702fbb049e5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+961316100510fe780d266d35bcf68702fbb049e5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+961316100510fe780d266d35bcf68702fbb049e5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_canonical v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+961316100510fe780d266d35bcf68702fbb049e5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 522a46b532890c65decb0ec021ae13883cc3ff5198b3ab5034fb9d36a61fca33
[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" "522a46b532890c65decb0ec021ae13883cc3ff5198b3ab5034fb9d36a61fca33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "522a46b532890c65decb0ec021ae13883cc3ff5198b3ab5034fb9d36a61fca33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "522a46b532890c65decb0ec021ae13883cc3ff5198b3ab5034fb9d36a61fca33", kill_on_drop: false }`
[INFO] [stdout] 522a46b532890c65decb0ec021ae13883cc3ff5198b3ab5034fb9d36a61fca33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+961316100510fe780d266d35bcf68702fbb049e5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cb8d4f6457bc7755691ad8a936df82a899b64e369569eb87018666d56179e30
[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" "9cb8d4f6457bc7755691ad8a936df82a899b64e369569eb87018666d56179e30", kill_on_drop: false }`
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[INFO] [stderr]     Checking actix-http v1.0.1
[INFO] [stderr]     Checking awc v1.0.1
[INFO] [stderr]     Checking actix-web v2.0.0
[INFO] [stderr]     Checking matrix_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Json`
[INFO] [stdout]  --> src/util/mod.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use actix_web::{post, web::{Data, Json}};
[INFO] [stdout]   |                                   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Value as JsonValue`
[INFO] [stdout]  --> src/util/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde_json::Value as JsonValue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]  --> src/util/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Json`
[INFO] [stdout]  --> src/util/mod.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use actix_web::{post, web::{Data, Json}};
[INFO] [stdout]   |                                   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Value as JsonValue`
[INFO] [stdout]  --> src/util/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde_json::Value as JsonValue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]  --> src/util/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/client/room_events.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |     let mut leave = HashMap::new();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/client/room_events.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |     let mut leave = HashMap::new();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LimitExceeded`
[INFO] [stdout]   --> src/client/error.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     LimitExceeded,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UrlNotUtf8`
[INFO] [stdout]   --> src/client/error.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     UrlNotUtf8(Utf8Error),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `room_alias_name`
[INFO] [stdout]   --> src/client/room.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     room_alias_name: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `invite_3pid`
[INFO] [stdout]   --> src/client/room.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     invite_3pid: Option<Vec<Invite3pid>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id_server`
[INFO] [stdout]   --> src/client/room.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     id_server: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `medium`
[INFO] [stdout]   --> src/client/room.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     medium: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]   --> src/client/room.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     address: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `at`
[INFO] [stdout]    --> src/client/room_events.rs:332:5
[INFO] [stdout]     |
[INFO] [stdout] 332 |     at: String,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `limit`
[INFO] [stdout]    --> src/client/user.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 |     limit: Option<usize>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `redact`
[INFO] [stdout]    --> src/events/room.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn redact(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/storage/postgres.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new(db_address: String, cap: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LimitExceeded`
[INFO] [stdout]   --> src/client/error.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     LimitExceeded,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UrlNotUtf8`
[INFO] [stdout]   --> src/client/error.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     UrlNotUtf8(Utf8Error),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `room_alias_name`
[INFO] [stdout]   --> src/client/room.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     room_alias_name: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `invite_3pid`
[INFO] [stdout]   --> src/client/room.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     invite_3pid: Option<Vec<Invite3pid>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id_server`
[INFO] [stdout]   --> src/client/room.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     id_server: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `medium`
[INFO] [stdout]   --> src/client/room.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     medium: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]   --> src/client/room.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     address: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `at`
[INFO] [stdout]    --> src/client/room_events.rs:332:5
[INFO] [stdout]     |
[INFO] [stdout] 332 |     at: String,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `limit`
[INFO] [stdout]    --> src/client/user.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 |     limit: Option<usize>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `redact`
[INFO] [stdout]    --> src/events/room.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn redact(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/storage/postgres.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new(db_address: String, cap: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 00s
[INFO] running `Command { std: "docker" "inspect" "9cb8d4f6457bc7755691ad8a936df82a899b64e369569eb87018666d56179e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb8d4f6457bc7755691ad8a936df82a899b64e369569eb87018666d56179e30", kill_on_drop: false }`
[INFO] [stdout] 9cb8d4f6457bc7755691ad8a936df82a899b64e369569eb87018666d56179e30