[INFO] fetching crate disle 0.9.1...
[INFO] testing disle-0.9.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate disle 0.9.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate disle 0.9.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-2/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded command_attr v0.3.1
[INFO] [stderr]   Downloaded caith v2.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00492e858a6cded4cabb10fdf0b58a11c77a35bf7ebb7e2e778da17b424754e3
[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" "00492e858a6cded4cabb10fdf0b58a11c77a35bf7ebb7e2e778da17b424754e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00492e858a6cded4cabb10fdf0b58a11c77a35bf7ebb7e2e778da17b424754e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00492e858a6cded4cabb10fdf0b58a11c77a35bf7ebb7e2e778da17b424754e3", kill_on_drop: false }`
[INFO] [stdout] 00492e858a6cded4cabb10fdf0b58a11c77a35bf7ebb7e2e778da17b424754e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ab24b3ff57194fae5635ff4de2c6156e9bd02dffb073792addc58e135fe9af7
[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" "0ab24b3ff57194fae5635ff4de2c6156e9bd02dffb073792addc58e135fe9af7", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling caith v2.2.1
[INFO] [stderr]    Compiling serenity v0.9.1
[INFO] [stderr]    Compiling typemap_rev v0.1.4
[INFO] [stderr]    Compiling uwl v0.6.0
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling command_attr v0.3.1
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling tracing v0.1.21
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling sha-1 v0.9.2
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling ron v0.6.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio v0.2.23
[INFO] [stderr]    Compiling pest_meta v2.1.3
[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 v0.20.0
[INFO] [stderr]    Compiling webpki-roots v0.19.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-rustls v0.14.1
[INFO] [stderr]    Compiling async-tungstenite v0.9.3
[INFO] [stderr]    Compiling h2 v0.2.7
[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 33s
[INFO] running `Command { std: "docker" "inspect" "0ab24b3ff57194fae5635ff4de2c6156e9bd02dffb073792addc58e135fe9af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ab24b3ff57194fae5635ff4de2c6156e9bd02dffb073792addc58e135fe9af7", kill_on_drop: false }`
[INFO] [stdout] 0ab24b3ff57194fae5635ff4de2c6156e9bd02dffb073792addc58e135fe9af7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4e4a42ea67f58745c6956ca181ec69a2723b4400de950327856d9698c8d40ef
[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" "e4e4a42ea67f58745c6956ca181ec69a2723b4400de950327856d9698c8d40ef", 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 16.42s
[INFO] running `Command { std: "docker" "inspect" "e4e4a42ea67f58745c6956ca181ec69a2723b4400de950327856d9698c8d40ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e4a42ea67f58745c6956ca181ec69a2723b4400de950327856d9698c8d40ef", kill_on_drop: false }`
[INFO] [stdout] e4e4a42ea67f58745c6956ca181ec69a2723b4400de950327856d9698c8d40ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7b2334fec90b46ae437d058bd58972e18e223ea598afc067afdeaa0e26b9fae
[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" "a7b2334fec90b46ae437d058bd58972e18e223ea598afc067afdeaa0e26b9fae", 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 0.22s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/disle-44dca3bf673e4938
[INFO] [stdout] 
[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_no_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_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::get_global_alias_test ... ok
[INFO] [stdout] test alias::tests::split_alias ... ok
[INFO] [stdout] test alias::tests::split_no_alias ... ok
[INFO] [stdout] test alias::tests::expand_user_and_global_alias ... ok
[INFO] [stdout] test alias::tests::split_two_consecutive_aliases ... ok
[INFO] [stdout] test alias::tests::get_alias ... ok
[INFO] [stdout] test alias::tests::split_only_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; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a7b2334fec90b46ae437d058bd58972e18e223ea598afc067afdeaa0e26b9fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7b2334fec90b46ae437d058bd58972e18e223ea598afc067afdeaa0e26b9fae", kill_on_drop: false }`
[INFO] [stdout] a7b2334fec90b46ae437d058bd58972e18e223ea598afc067afdeaa0e26b9fae