[INFO] cloning repository https://github.com/dots-git/linkr-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dots-git/linkr-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdots-git%2Flinkr-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdots-git%2Flinkr-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16a8f2095f45007d6f54b490d0c4b8a4fb6ad079
[INFO] checking dots-git/linkr-rs against try#3ec2a775459d36c7d90654e47c56ff7bb0d542ab for pr-139087
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdots-git%2Flinkr-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dots-git/linkr-rs on toolchain 3ec2a775459d36c7d90654e47c56ff7bb0d542ab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dots-git/linkr-rs
[INFO] finished tweaking git repo https://github.com/dots-git/linkr-rs
[INFO] tweaked toml for git repo https://github.com/dots-git/linkr-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dots-git/linkr-rs 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" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "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 dots-git/linkr-rs against try#3ec2a775459d36c7d90654e47c56ff7bb0d542ab for pr-139087
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdots-git%2Flinkr-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dots-git/linkr-rs on toolchain 3ec2a775459d36c7d90654e47c56ff7bb0d542ab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dots-git/linkr-rs
[INFO] finished tweaking git repo https://github.com/dots-git/linkr-rs
[INFO] tweaked toml for git repo https://github.com/dots-git/linkr-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dots-git/linkr-rs 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" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cc12bfe1845b00723bf319ebe525bb2eac93fff2126da033fc31757f30688b6
[INFO] running `Command { std: "docker" "start" "-a" "3cc12bfe1845b00723bf319ebe525bb2eac93fff2126da033fc31757f30688b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cc12bfe1845b00723bf319ebe525bb2eac93fff2126da033fc31757f30688b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc12bfe1845b00723bf319ebe525bb2eac93fff2126da033fc31757f30688b6", kill_on_drop: false }`
[INFO] [stdout] 3cc12bfe1845b00723bf319ebe525bb2eac93fff2126da033fc31757f30688b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f4891de7317afad7335d6581bd1f71dd16fea60c25effea6778a20cd5d26847
[INFO] running `Command { std: "docker" "start" "-a" "6f4891de7317afad7335d6581bd1f71dd16fea60c25effea6778a20cd5d26847", kill_on_drop: false }`
[INFO] [stderr]     Checking linkr-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let func = Func::new(
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let func = Func::new(
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut var = Var::new(1.0);
[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: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut var = Var::new(1.0);
[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] error[E0597]: `var` does not live long enough
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 6  |       let mut var = Var::new(1.0);
[INFO] [stdout]    |           ------- binding `var` declared here
[INFO] [stdout] ...
[INFO] [stdout] 9  |           Some(Box::new(|| {
[INFO] [stdout]    |                -        -- value captured here
[INFO] [stdout]    |  ______________|
[INFO] [stdout]    | |
[INFO] [stdout] 10 | |             var.value()
[INFO] [stdout]    | |             ^^^ borrowed value does not live long enough
[INFO] [stdout] 11 | |         })),
[INFO] [stdout]    | |__________- coercion requires that `var` is borrowed for `'static`
[INFO] [stdout] ...
[INFO] [stdout] 14 |   }
[INFO] [stdout]    |   - `var` dropped here while still borrowed
[INFO] [stdout]    |
[INFO] [stdout]    = note: due to object lifetime defaults, `Box<dyn Fn() -> f64>` actually means `Box<(dyn Fn() -> f64 + 'static)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0597]: `var` does not live long enough
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 6  |       let mut var = Var::new(1.0);
[INFO] [stdout]    |           ------- binding `var` declared here
[INFO] [stdout] ...
[INFO] [stdout] 9  |           Some(Box::new(|| {
[INFO] [stdout]    |                -        -- value captured here
[INFO] [stdout]    |  ______________|
[INFO] [stdout]    | |
[INFO] [stdout] 10 | |             var.value()
[INFO] [stdout]    | |             ^^^ borrowed value does not live long enough
[INFO] [stdout] 11 | |         })),
[INFO] [stdout]    | |__________- coercion requires that `var` is borrowed for `'static`
[INFO] [stdout] ...
[INFO] [stdout] 14 |   }
[INFO] [stdout]    |   - `var` dropped here while still borrowed
[INFO] [stdout]    |
[INFO] [stdout]    = note: due to object lifetime defaults, `Box<dyn Fn() -> f64>` actually means `Box<(dyn Fn() -> f64 + 'static)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0597`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0597`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linkr-rs` (bin "linkr-rs") due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `linkr-rs` (bin "linkr-rs" test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6f4891de7317afad7335d6581bd1f71dd16fea60c25effea6778a20cd5d26847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f4891de7317afad7335d6581bd1f71dd16fea60c25effea6778a20cd5d26847", kill_on_drop: false }`
[INFO] [stdout] 6f4891de7317afad7335d6581bd1f71dd16fea60c25effea6778a20cd5d26847