[INFO] cloning repository https://github.com/fnlcon/rust_tour
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fnlcon/rust_tour" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffnlcon%2Frust_tour", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffnlcon%2Frust_tour'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29adff458ed30eaf06be1993ff165500165c2ad4
[INFO] checking fnlcon/rust_tour against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffnlcon%2Frust_tour" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fnlcon/rust_tour on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fnlcon/rust_tour
[INFO] finished tweaking git repo https://github.com/fnlcon/rust_tour
[INFO] tweaked toml for git repo https://github.com/fnlcon/rust_tour written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/fnlcon/rust_tour already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 710c972dda9a71b564a6bb6419880d1938e35171f58a7da54abeac7a95e36956
[INFO] running `Command { std: "docker" "start" "-a" "710c972dda9a71b564a6bb6419880d1938e35171f58a7da54abeac7a95e36956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "710c972dda9a71b564a6bb6419880d1938e35171f58a7da54abeac7a95e36956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "710c972dda9a71b564a6bb6419880d1938e35171f58a7da54abeac7a95e36956", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa601a644f2cd1ac4942833349178e15d2e45883d3715812172b372a6bc76572
[INFO] running `Command { std: "docker" "start" "-a" "aa601a644f2cd1ac4942833349178e15d2e45883d3715812172b372a6bc76572", kill_on_drop: false }`
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[INFO] [stdout] error[E0434]: can't capture dynamic environment in a fn item
[INFO] [stdout]   --> tree_case1/src/lib.rs:94:34
[INFO] [stdout]    |
[INFO] [stdout] 94 |                     update(node, path)
[INFO] [stdout]    |                                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: use the `|| { ... }` closure form instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `node_name` in this scope
[INFO] [stdout]   --> tree_case1/src/lib.rs:93:36
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 if node.name() == &node_name[..] {
[INFO] [stdout]    |                                    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::thread_rng`
[INFO] [stdout]  --> tree_case1/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::thread_rng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0434]: can't capture dynamic environment in a fn item
[INFO] [stdout]   --> tree_case1/src/lib.rs:94:34
[INFO] [stdout]    |
[INFO] [stdout] 94 |                     update(node, path)
[INFO] [stdout]    |                                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: use the `|| { ... }` closure form instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `node_name` in this scope
[INFO] [stdout]   --> tree_case1/src/lib.rs:93:36
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 if node.name() == &node_name[..] {
[INFO] [stdout]    |                                    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::thread_rng`
[INFO] [stdout]  --> tree_case1/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::thread_rng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stdout]    --> tree_case1/src/lib.rs:143:16
[INFO] [stdout]     |
[INFO] [stdout] 143 |     use rand::{thread_rng, Rng};
[INFO] [stdout]     |                ^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BorrowMut`, `Borrow`
[INFO] [stdout]    --> tree_case1/src/lib.rs:144:23
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]     |                       ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::LinkedList`
[INFO] [stdout]    --> tree_case1/src/lib.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     use std::collections::LinkedList;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]    --> tree_case1/src/lib.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     use std::fs::File;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0434.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tree_case1` due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0434.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "aa601a644f2cd1ac4942833349178e15d2e45883d3715812172b372a6bc76572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa601a644f2cd1ac4942833349178e15d2e45883d3715812172b372a6bc76572", kill_on_drop: false }`
[INFO] [stdout] aa601a644f2cd1ac4942833349178e15d2e45883d3715812172b372a6bc76572