[INFO] cloning repository https://github.com/mammothbane/thulani
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mammothbane/thulani" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmammothbane%2Fthulani", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmammothbane%2Fthulani'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f59c15906229d8458844003cedbb4aac78926def
[INFO] testing mammothbane/thulani against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmammothbane%2Fthulani" "/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/mammothbane/thulani on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mammothbane/thulani
[INFO] finished tweaking git repo https://github.com/mammothbane/thulani
[INFO] tweaked toml for git repo https://github.com/mammothbane/thulani written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mammothbane/thulani already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] ac51290976745b968272df8bc0e22092eceb0612bf2627e5cb72d9eccdfbf9ed
[INFO] running `Command { std: "docker" "start" "-a" "ac51290976745b968272df8bc0e22092eceb0612bf2627e5cb72d9eccdfbf9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac51290976745b968272df8bc0e22092eceb0612bf2627e5cb72d9eccdfbf9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac51290976745b968272df8bc0e22092eceb0612bf2627e5cb72d9eccdfbf9ed", kill_on_drop: false }`
[INFO] [stdout] ac51290976745b968272df8bc0e22092eceb0612bf2627e5cb72d9eccdfbf9ed
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5999fd65daac4b4dca3281a227f3dab2147299d87a6d938e1b106c684efd5a8
[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" "c5999fd65daac4b4dca3281a227f3dab2147299d87a6d938e1b106c684efd5a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling md5 v0.3.8
[INFO] [stderr]    Compiling fallible-iterator v0.1.6
[INFO] [stderr]    Compiling hex v0.2.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling serenity v0.7.5 (https://github.com/mammothbane/serenity?branch=master#df8e502d)
[INFO] [stderr]    Compiling uwl v0.4.2
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
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[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling audiopus_sys v0.1.7
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling crypto-mac v0.5.2
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling hmac v0.5.0
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling audiopus v0.1.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling backtrace v0.3.49
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling tar v0.4.29
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling input_buffer v0.2.0
[INFO] [stderr]    Compiling webpki v0.21.3
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.4
[INFO] [stderr]    Compiling statrs v0.10.0
[INFO] [stderr]    Compiling publicsuffix v1.5.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling libsodium-sys v0.2.5
[INFO] [stderr]    Compiling postgres-protocol v0.3.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ct-logs v0.6.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling r2d2 v0.8.8
[INFO] [stderr]    Compiling rustls v0.16.0
[INFO] [stderr]    Compiling webpki-roots v0.17.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling isolang v0.2.1
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling ctrlc v3.1.4
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling tungstenite v0.9.2
[INFO] [stderr]    Compiling tokio-rustls v0.10.3
[INFO] [stderr]    Compiling serde_derive v1.0.113
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling command_attr v0.1.6 (https://github.com/mammothbane/serenity?branch=master#df8e502d)
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling envconfig_derive v0.8.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling envconfig v0.8.0
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling hyper-rustls v0.17.1
[INFO] [stderr]    Compiling serde v1.0.113
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling postgres-shared v0.4.2
[INFO] [stderr]    Compiling fern v0.5.9
[INFO] [stderr]    Compiling diesel v1.4.5
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling postgres v0.15.2
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling r2d2_postgres v0.14.0
[INFO] [stderr]    Compiling sodiumoxide v0.2.5
[INFO] [stderr]    Compiling timeago v0.1.5
[INFO] [stderr]    Compiling thulani v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(pattern)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(concat_idents)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(clamp)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(box_syntax, box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Try`
[INFO] [stdout]    --> src/db/mod.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     use std::ops::Try;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Try`
[INFO] [stdout]    --> src/db/mod.rs:257:9
[INFO] [stdout]     |
[INFO] [stdout] 257 |     use std::ops::Try;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Try`
[INFO] [stdout]    --> src/db/mod.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |     use std::ops::Try;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'try_trait_v2'
[INFO] [stdout]    --> src/db/mod.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |     use std::ops::Try;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'try_trait_v2'
[INFO] [stdout]    --> src/db/mod.rs:257:9
[INFO] [stdout]     |
[INFO] [stdout] 257 |     use std::ops::Try;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'try_trait_v2'
[INFO] [stdout]    --> src/db/mod.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |     use std::ops::Try;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_result` found for enum `std::option::Option` in the current scope
[INFO] [stdout]    --> src/db/mod.rs:246:10
[INFO] [stdout]     |
[INFO] [stdout] 246 |         .into_result()
[INFO] [stdout]     |          ^^^^^^^^^^^ method not found in `std::option::Option<&i32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_result` found for enum `std::option::Option` in the current scope
[INFO] [stdout]    --> src/db/mod.rs:266:10
[INFO] [stdout]     |
[INFO] [stdout] 266 |         .into_result()
[INFO] [stdout]     |          ^^^^^^^^^^^ method not found in `std::option::Option<&i32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_result` found for enum `std::option::Option` in the current scope
[INFO] [stdout]    --> src/db/mod.rs:286:10
[INFO] [stdout]     |
[INFO] [stdout] 286 |         .into_result()
[INFO] [stdout]     |          ^^^^^^^^^^^ method not found in `std::option::Option<&i32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thulani`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c5999fd65daac4b4dca3281a227f3dab2147299d87a6d938e1b106c684efd5a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5999fd65daac4b4dca3281a227f3dab2147299d87a6d938e1b106c684efd5a8", kill_on_drop: false }`
[INFO] [stdout] c5999fd65daac4b4dca3281a227f3dab2147299d87a6d938e1b106c684efd5a8
