[INFO] fetching crate nakama-rs 0.1.1...
[INFO] checking nakama-rs-0.1.1 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate nakama-rs 0.1.1 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate nakama-rs 0.1.1 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nakama-rs 0.1.1
[INFO] finished tweaking crates.io crate nakama-rs 0.1.1
[INFO] tweaked toml for crates.io crate nakama-rs 0.1.1 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] crate crates.io crate nakama-rs 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ureq v2.0.2
[INFO] [stderr]   Downloaded nanoserde-derive v0.1.16
[INFO] [stderr]   Downloaded sapp-jsutils v0.1.5
[INFO] [stderr]   Downloaded qws v0.7.9
[INFO] [stderr]   Downloaded nanoserde v0.1.24
[INFO] [stderr]   Downloaded quad-net v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ee5c25de9366f13918dec72c8578337039ada9a3a3603095a7b07d58d699469
[INFO] running `Command { std: "docker" "start" "-a" "3ee5c25de9366f13918dec72c8578337039ada9a3a3603095a7b07d58d699469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ee5c25de9366f13918dec72c8578337039ada9a3a3603095a7b07d58d699469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ee5c25de9366f13918dec72c8578337039ada9a3a3603095a7b07d58d699469", kill_on_drop: false }`
[INFO] [stdout] 3ee5c25de9366f13918dec72c8578337039ada9a3a3603095a7b07d58d699469
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dabb5ed8717b5d577c67b2c06caa665dbce848c7539a7a46910248c70de24b79
[INFO] running `Command { std: "docker" "start" "-a" "dabb5ed8717b5d577c67b2c06caa665dbce848c7539a7a46910248c70de24b79", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]    Compiling nanoserde-derive v0.1.16
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]     Checking nanoserde v0.1.24
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking qws v0.7.9
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking ureq v2.0.2
[INFO] [stderr]     Checking quad-net v0.1.1
[INFO] [stderr]     Checking nakama-rs v0.1.1 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/matchmaker.rs (2 fixes)
[INFO] [stderr]    Migrating examples/matchmaker.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/leaderboard.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/register.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.53s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking nakama-rs v0.1.1 (/tmp/fixit)
[INFO] [stdout] error[E0596]: cannot borrow `properties` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/matchmaker.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |         let properties = self
[INFO] [stdout]     |             ---------- help: consider changing this to be mutable: `mut properties`
[INFO] [stdout] ...
[INFO] [stdout] 157 |         properties.sort();
[INFO] [stdout]     |         ^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `properties` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/matchmaker.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let properties = self
[INFO] [stdout]     |             ---------- help: consider changing this to be mutable: `mut properties`
[INFO] [stdout] ...
[INFO] [stdout] 176 |         properties.sort();
[INFO] [stdout]     |         ^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nakama-rs` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to check after updating to 2021
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "dabb5ed8717b5d577c67b2c06caa665dbce848c7539a7a46910248c70de24b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dabb5ed8717b5d577c67b2c06caa665dbce848c7539a7a46910248c70de24b79", kill_on_drop: false }`
[INFO] [stdout] dabb5ed8717b5d577c67b2c06caa665dbce848c7539a7a46910248c70de24b79