[INFO] cloning repository https://github.com/berke/discipline
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/berke/discipline" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberke%2Fdiscipline", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberke%2Fdiscipline'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 040f7adb22013485a3e41c5599b0b48457c0f014
[INFO] checking berke/discipline against master#ff647322379c48947c196639599067665ff9eb88 for pr-151539-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberke%2Fdiscipline" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/berke/discipline
[INFO] finished tweaking git repo https://github.com/berke/discipline
[INFO] tweaked toml for git repo https://github.com/berke/discipline written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/berke/discipline on toolchain ff647322379c48947c196639599067665ff9eb88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/berke/discipline already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3b10a5ceed2d5f6512cf9b06b2afd8d1f0e397daac7ae4b1c4364a344ccb4467
[INFO] running `Command { std: "docker" "start" "3b10a5ceed2d5f6512cf9b06b2afd8d1f0e397daac7ae4b1c4364a344ccb4467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3b10a5ceed2d5f6512cf9b06b2afd8d1f0e397daac7ae4b1c4364a344ccb4467" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b10a5ceed2d5f6512cf9b06b2afd8d1f0e397daac7ae4b1c4364a344ccb4467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3b10a5ceed2d5f6512cf9b06b2afd8d1f0e397daac7ae4b1c4364a344ccb4467" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking discipline-ui v0.1.0 (/opt/rustwide/workdir/ui)
[INFO] [stdout] warning: method `yank` is never used
[INFO] [stdout]   --> ui/src/ptr.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait Make {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn yank(&self)->Ref<Self::T>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Gettable` is never used
[INFO] [stdout]   --> ui/src/ptr.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub trait Gettable {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Settable` is never used
[INFO] [stdout]   --> ui/src/ptr.rs:50:11
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub trait Settable {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `yank` is never used
[INFO] [stdout]   --> ui/src/ptr.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait Make {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn yank(&self)->Ref<Self::T>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Gettable` is never used
[INFO] [stdout]   --> ui/src/ptr.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub trait Gettable {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Updatable` is never used
[INFO] [stdout]   --> ui/src/ptr.rs:55:11
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub trait Updatable {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Settable` is never used
[INFO] [stdout]   --> ui/src/ptr.rs:50:11
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub trait Settable {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Updatable` is never used
[INFO] [stdout]   --> ui/src/ptr.rs:55:11
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub trait Updatable {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `loop_delay` is never read
[INFO] [stdout]   --> ui/src/main.rs:80:6
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub struct Config {
[INFO] [stdout]    |                ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub loop_delay:f64,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `loop_delay` is never read
[INFO] [stdout]   --> ui/src/main.rs:80:6
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub struct Config {
[INFO] [stdout]    |                ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub loop_delay:f64,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> ui/src/ptr.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn yank(&self)->Ref<Self::T>;
[INFO] [stdout]    |             ^^^^^   ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn yank(&self)->Ref<'_, Self::T>;
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> ui/src/ptr.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn yank(&self)->Ref<Self::T>;
[INFO] [stdout]    |             ^^^^^   ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn yank(&self)->Ref<'_, Self::T>;
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> ui/src/ptr.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn yank_mut(&self)->RefMut<Self::T>;
[INFO] [stdout]    |                 ^^^^^   ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn yank_mut(&self)->RefMut<'_, Self::T>;
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> ui/src/ptr.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn yank(&self)->Ref<Self::T> {
[INFO] [stdout]    |             ^^^^^   ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn yank(&self)->Ref<'_, Self::T> {
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> ui/src/ptr.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn yank_mut(&self)->RefMut<Self::T>;
[INFO] [stdout]    |                 ^^^^^   ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn yank_mut(&self)->RefMut<'_, Self::T>;
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> ui/src/ptr.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn yank(&self)->Ref<Self::T> {
[INFO] [stdout]    |             ^^^^^   ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn yank(&self)->Ref<'_, Self::T> {
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> ui/src/ptr.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn yank_mut(&self)->RefMut<Self::T> {
[INFO] [stdout]    |                 ^^^^^   ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn yank_mut(&self)->RefMut<'_, Self::T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> ui/src/ptr.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn yank_mut(&self)->RefMut<Self::T> {
[INFO] [stdout]    |                 ^^^^^   ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn yank_mut(&self)->RefMut<'_, Self::T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "3b10a5ceed2d5f6512cf9b06b2afd8d1f0e397daac7ae4b1c4364a344ccb4467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b10a5ceed2d5f6512cf9b06b2afd8d1f0e397daac7ae4b1c4364a344ccb4467", kill_on_drop: false }`
[INFO] [stdout] 3b10a5ceed2d5f6512cf9b06b2afd8d1f0e397daac7ae4b1c4364a344ccb4467
