[INFO] cloning repository https://github.com/Kxfusion/generics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kxfusion/generics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKxfusion%2Fgenerics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKxfusion%2Fgenerics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2e0fca2d4ace24c0901a75c115c70616c43688e
[INFO] checking Kxfusion/generics against try#2b41547e41f63ea0ca9cb25417ddd569b19e6a50 for pr-134273
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKxfusion%2Fgenerics" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kxfusion/generics on toolchain 2b41547e41f63ea0ca9cb25417ddd569b19e6a50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kxfusion/generics
[INFO] finished tweaking git repo https://github.com/Kxfusion/generics
[INFO] tweaked toml for git repo https://github.com/Kxfusion/generics written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Kxfusion/generics 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" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking Kxfusion/generics against try#2b41547e41f63ea0ca9cb25417ddd569b19e6a50 for pr-134273
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKxfusion%2Fgenerics" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kxfusion/generics on toolchain 2b41547e41f63ea0ca9cb25417ddd569b19e6a50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kxfusion/generics
[INFO] finished tweaking git repo https://github.com/Kxfusion/generics
[INFO] tweaked toml for git repo https://github.com/Kxfusion/generics written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Kxfusion/generics 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" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9831ced47983a24f4090f9928bcc06226d4586ba8e7b3ebeb5c44af7e116b0c1
[INFO] running `Command { std: "docker" "start" "-a" "9831ced47983a24f4090f9928bcc06226d4586ba8e7b3ebeb5c44af7e116b0c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9831ced47983a24f4090f9928bcc06226d4586ba8e7b3ebeb5c44af7e116b0c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9831ced47983a24f4090f9928bcc06226d4586ba8e7b3ebeb5c44af7e116b0c1", kill_on_drop: false }`
[INFO] [stdout] 9831ced47983a24f4090f9928bcc06226d4586ba8e7b3ebeb5c44af7e116b0c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2b3e9a1b090ffb96d847f44f4c5b56182508fd86b39bcc7c0f6817b75c4b0a1
[INFO] running `Command { std: "docker" "start" "-a" "c2b3e9a1b090ffb96d847f44f4c5b56182508fd86b39bcc7c0f6817b75c4b0a1", kill_on_drop: false }`
[INFO] [stderr]     Checking generics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `item2`
[INFO] [stdout]   --> src/traits.rs:45:51
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn notifyStrict<T: Summary + Debug>(item: &T, item2: &T) {
[INFO] [stdout]    |                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/traits.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn some_function<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/traits.rs:50:31
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn some_function<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `headline`, `location`, and `content` are never read
[INFO] [stdout]   --> src/traits.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct NewsArticle {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 11 |     pub headline: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 12 |     pub location: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 13 |     pub author: String,
[INFO] [stdout] 14 |     pub content: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `reply` and `retweet` are never read
[INFO] [stdout]   --> src/traits.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Tweet {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub reply: bool,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 28 |     pub retweet: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tweet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify` is never used
[INFO] [stdout]   --> src/traits.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn notify(item: &impl Summary) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notifyStrict` is never used
[INFO] [stdout]   --> src/traits.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn notifyStrict<T: Summary + Debug>(item: &T, item2: &T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_function` is never used
[INFO] [stdout]   --> src/traits.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn some_function<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notifyStrict` should have a snake case name
[INFO] [stdout]   --> src/traits.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn notifyStrict<T: Summary + Debug>(item: &T, item2: &T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `notify_strict`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item2`
[INFO] [stdout]   --> src/traits.rs:45:51
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn notifyStrict<T: Summary + Debug>(item: &T, item2: &T) {
[INFO] [stdout]    |                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/traits.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn some_function<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/traits.rs:50:31
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn some_function<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `headline`, `location`, and `content` are never read
[INFO] [stdout]   --> src/traits.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct NewsArticle {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 11 |     pub headline: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 12 |     pub location: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 13 |     pub author: String,
[INFO] [stdout] 14 |     pub content: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `reply` and `retweet` are never read
[INFO] [stdout]   --> src/traits.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Tweet {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub reply: bool,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 28 |     pub retweet: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tweet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify` is never used
[INFO] [stdout]   --> src/traits.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn notify(item: &impl Summary) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notifyStrict` is never used
[INFO] [stdout]   --> src/traits.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn notifyStrict<T: Summary + Debug>(item: &T, item2: &T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_function` is never used
[INFO] [stdout]   --> src/traits.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn some_function<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notifyStrict` should have a snake case name
[INFO] [stdout]   --> src/traits.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn notifyStrict<T: Summary + Debug>(item: &T, item2: &T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `notify_strict`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "c2b3e9a1b090ffb96d847f44f4c5b56182508fd86b39bcc7c0f6817b75c4b0a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b3e9a1b090ffb96d847f44f4c5b56182508fd86b39bcc7c0f6817b75c4b0a1", kill_on_drop: false }`
[INFO] [stdout] c2b3e9a1b090ffb96d847f44f4c5b56182508fd86b39bcc7c0f6817b75c4b0a1