[INFO] fetching crate disle 0.9.1...
[INFO] testing disle-0.9.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate disle 0.9.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate disle 0.9.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate disle 0.9.1
[INFO] finished tweaking crates.io crate disle 0.9.1
[INFO] tweaked toml for crates.io crate disle 0.9.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate disle 0.9.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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] 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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] f7aa18a8d54adc29f5091c01af277a22efc904854ee5338d5fb4279fa5ed91d4
[INFO] running `Command { std: "docker" "start" "-a" "f7aa18a8d54adc29f5091c01af277a22efc904854ee5338d5fb4279fa5ed91d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7aa18a8d54adc29f5091c01af277a22efc904854ee5338d5fb4279fa5ed91d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7aa18a8d54adc29f5091c01af277a22efc904854ee5338d5fb4279fa5ed91d4", kill_on_drop: false }`
[INFO] [stdout] f7aa18a8d54adc29f5091c01af277a22efc904854ee5338d5fb4279fa5ed91d4
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 689678d44aed23e5b9915138368ffc5a8ceb663b627a66b8c16bceb80af72f45
[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" "689678d44aed23e5b9915138368ffc5a8ceb663b627a66b8c16bceb80af72f45", kill_on_drop: false }`
[INFO] [stderr]    Compiling caith v2.2.1
[INFO] [stderr]    Compiling serenity v0.9.1
[INFO] [stderr]    Compiling uwl v0.6.0
[INFO] [stderr]    Compiling typemap_rev v0.1.4
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling command_attr v0.3.1
[INFO] [stderr]    Compiling tokio v0.2.23
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling webpki v0.21.3
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling rustls v0.18.1
[INFO] [stderr]    Compiling webpki-roots v0.19.0
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling tracing v0.1.21
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling ron v0.6.2
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling tokio-rustls v0.14.1
[INFO] [stderr]    Compiling async-tungstenite v0.9.3
[INFO] [stderr]    Compiling hyper v0.13.9
[INFO] [stderr]    Compiling hyper-rustls v0.21.0
[INFO] [stderr]    Compiling reqwest v0.10.8
[INFO] [stderr]    Compiling disle v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/discord.rs:923:13
[INFO] [stdout]     |
[INFO] [stdout] 923 |         let mut data = data.read().await;
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 35s
[INFO] running `Command { std: "docker" "inspect" "689678d44aed23e5b9915138368ffc5a8ceb663b627a66b8c16bceb80af72f45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "689678d44aed23e5b9915138368ffc5a8ceb663b627a66b8c16bceb80af72f45", kill_on_drop: false }`
[INFO] [stdout] 689678d44aed23e5b9915138368ffc5a8ceb663b627a66b8c16bceb80af72f45
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57625844de3039f462ffd263d9f4ea23ba53df84c3b96a62246e18c8b95ff238
[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" "57625844de3039f462ffd263d9f4ea23ba53df84c3b96a62246e18c8b95ff238", kill_on_drop: false }`
[INFO] [stderr]    Compiling disle v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/discord.rs:923:13
[INFO] [stdout]     |
[INFO] [stdout] 923 |         let mut data = data.read().await;
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.62s
[INFO] running `Command { std: "docker" "inspect" "57625844de3039f462ffd263d9f4ea23ba53df84c3b96a62246e18c8b95ff238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57625844de3039f462ffd263d9f4ea23ba53df84c3b96a62246e18c8b95ff238", kill_on_drop: false }`
[INFO] [stdout] 57625844de3039f462ffd263d9f4ea23ba53df84c3b96a62246e18c8b95ff238
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dcb46a64819a0b1dee6fe403138944ed4ecbc598483e4e50981fd1dcf469f788
[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" "dcb46a64819a0b1dee6fe403138944ed4ecbc598483e4e50981fd1dcf469f788", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/discord.rs:923:13
[INFO] [stderr]     |
[INFO] [stderr] 923 |         let mut data = data.read().await;
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/disle-1f556c63f67e8837
[INFO] [stdout] running 16 tests
[INFO] [stdout] test alias::tests::add_global_alias_test ... ok
[INFO] [stdout] test alias::tests::expand_alias_calling_self_call_alias ... ok
[INFO] [stdout] test alias::tests::expand_global_alias ... ok
[INFO] [stdout] test alias::tests::expand_cycling_alias ... ok
[INFO] [stdout] test alias::tests::expand_user_and_global_alias ... ok
[INFO] [stdout] test alias::tests::get_global_alias_test ... ok
[INFO] [stdout] test alias::tests::get_alias ... ok
[INFO] [stdout] test alias::tests::expand_no_alias ... ok
[INFO] [stdout] test alias::tests::expand_user_with_global_alias ... ok
[INFO] [stdout] test alias::tests::expand_self_call_alias ... ok
[INFO] [stdout] test alias::tests::expand_one_user_alias ... ok
[INFO] [stdout] test alias::tests::split_two_consecutive_aliases ... ok
[INFO] [stdout] test alias::tests::split_alias ... ok
[INFO] [stdout] test alias::tests::split_only_alias ... ok
[INFO] [stdout] test alias::tests::split_no_alias ... ok
[INFO] [stdout] test alias::tests::split_two_aliases ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dcb46a64819a0b1dee6fe403138944ed4ecbc598483e4e50981fd1dcf469f788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcb46a64819a0b1dee6fe403138944ed4ecbc598483e4e50981fd1dcf469f788", kill_on_drop: false }`
[INFO] [stdout] dcb46a64819a0b1dee6fe403138944ed4ecbc598483e4e50981fd1dcf469f788