[INFO] cloning repository https://github.com/museun/shaken
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/museun/shaken" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Fshaken", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Fshaken'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bbb6b6aea60d22f87c5c601105959bde5e859d5
[INFO] checking museun/shaken against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Fshaken" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/museun/shaken on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/museun/shaken
[INFO] finished tweaking git repo https://github.com/museun/shaken
[INFO] tweaked toml for git repo https://github.com/museun/shaken written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/museun/shaken already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sct v0.5.0
[INFO] [stderr]   Downloaded webpki-roots v0.16.0
[INFO] [stderr]   Downloaded rustls v0.15.2
[INFO] [stderr]   Downloaded ascii v0.9.1
[INFO] [stderr]   Downloaded webpki v0.19.1
[INFO] [stderr]   Downloaded ring v0.14.6
[INFO] [stderr]   Downloaded bincode v1.1.3
[INFO] [stderr]   Downloaded libsqlite3-sys v0.13.0
[INFO] [stderr]   Downloaded simplelog v0.5.3
[INFO] [stderr]   Downloaded inventory-impl v0.1.3
[INFO] [stderr]   Downloaded inventory v0.1.3
[INFO] [stderr]   Downloaded rusqlite v0.17.0
[INFO] [stderr]   Downloaded qstring v0.6.0
[INFO] [stderr]   Downloaded ghost v0.1.0
[INFO] [stderr]   Downloaded chunked_transfer v1.0.0
[INFO] [stderr]   Downloaded ureq v0.9.1
[INFO] [stderr]   Downloaded ctor v0.1.8
[INFO] [stderr]   Downloaded hashbrown v0.2.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] f02853198489fabcfdbcd5acf0a5ed33a22f0e2c34a8fad2e2c1869ba5e9c7f3
[INFO] running `Command { std: "docker" "start" "-a" "f02853198489fabcfdbcd5acf0a5ed33a22f0e2c34a8fad2e2c1869ba5e9c7f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f02853198489fabcfdbcd5acf0a5ed33a22f0e2c34a8fad2e2c1869ba5e9c7f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f02853198489fabcfdbcd5acf0a5ed33a22f0e2c34a8fad2e2c1869ba5e9c7f3", kill_on_drop: false }`
[INFO] [stdout] f02853198489fabcfdbcd5acf0a5ed33a22f0e2c34a8fad2e2c1869ba5e9c7f3
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8838e1a3793bd5aff379cd5c8fc7fc964422745ec8d75cc8cd499790b5b2c845
[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" "8838e1a3793bd5aff379cd5c8fc7fc964422745ec8d75cc8cd499790b5b2c845", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking fallible-iterator v0.1.6
[INFO] [stderr]     Checking ascii v0.9.1
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking chunked_transfer v1.0.0
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling shaken v0.1.0 (/opt/rustwide/workdir/shaken)
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling bincode v1.1.3
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking qstring v0.6.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking directories v1.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling libsqlite3-sys v0.13.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking once_cell v0.1.8
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking tiny_http v0.6.2
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]     Checking webpki-roots v0.16.0
[INFO] [stderr]     Checking ureq v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling inventory-impl v0.1.3
[INFO] [stderr]    Compiling ghost v0.1.0
[INFO] [stderr]    Compiling ctor v0.1.8
[INFO] [stderr]     Checking inventory v0.1.3
[INFO] [stderr]     Checking toml v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking hashbrown v0.2.0
[INFO] [stderr]     Checking rusqlite v0.17.0
[INFO] [stderr]     Checking dono v0.1.0 (/opt/rustwide/workdir/dono)
[INFO] [stdout] warning: the item `LevelFilter` is imported redundantly
[INFO] [stdout]    --> shaken/src/util.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 1   | use log::*;
[INFO] [stdout]     |     ------ the item `LevelFilter` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 173 |     use simplelog::LevelFilter;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LevelFilter` is imported redundantly
[INFO] [stdout]    --> shaken/src/util.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 1   | use log::*;
[INFO] [stdout]     |     ------ the item `LevelFilter` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 173 |     use simplelog::LevelFilter;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> shaken/src/template.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             std::mem::replace(&mut self, this);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> shaken/src/registry.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         std::mem::replace(&mut self.help, Some(help.to_string()));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> shaken/src/registry.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         std::mem::replace(&mut self.namespace, Some(namespace.to_string()));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> shaken/src/modules/twitchpoll.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         std::mem::replace(&mut self.poll, Some(poll));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> shaken/src/modules/twitchpoll.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         std::mem::replace(&mut self.start, Some(Instant::now()));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking brain v0.1.0 (/opt/rustwide/workdir/brain)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> brain/src/markov.rs:72:10
[INFO] [stdout]    |
[INFO] [stdout] 72 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> brain/src/markov.rs:72:10
[INFO] [stdout]    |
[INFO] [stdout] 72 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> shaken/src/template.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             std::mem::replace(&mut self, this);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> shaken/src/registry.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         std::mem::replace(&mut self.help, Some(help.to_string()));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> shaken/src/registry.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         std::mem::replace(&mut self.namespace, Some(namespace.to_string()));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> shaken/src/modules/twitchpoll.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         std::mem::replace(&mut self.poll, Some(poll));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> shaken/src/modules/twitchpoll.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         std::mem::replace(&mut self.start, Some(Instant::now()));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.29s
[INFO] running `Command { std: "docker" "inspect" "8838e1a3793bd5aff379cd5c8fc7fc964422745ec8d75cc8cd499790b5b2c845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8838e1a3793bd5aff379cd5c8fc7fc964422745ec8d75cc8cd499790b5b2c845", kill_on_drop: false }`
[INFO] [stdout] 8838e1a3793bd5aff379cd5c8fc7fc964422745ec8d75cc8cd499790b5b2c845