[INFO] cloning repository https://github.com/pluzeaux/bullitt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pluzeaux/bullitt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpluzeaux%2Fbullitt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpluzeaux%2Fbullitt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df05fedcda48ab550df882d77c14d8a6544edf18
[INFO] testing pluzeaux/bullitt against master#9e136a30a965bf4e63f03095c57df7257bf96fd6 for pr-134530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpluzeaux%2Fbullitt" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pluzeaux/bullitt on toolchain 9e136a30a965bf4e63f03095c57df7257bf96fd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pluzeaux/bullitt
[INFO] finished tweaking git repo https://github.com/pluzeaux/bullitt
[INFO] tweaked toml for git repo https://github.com/pluzeaux/bullitt written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pluzeaux/bullitt 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" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9345d47c2e703a82fc5ae46954d957b9e50ee1c1dd2e4062aaa2a22cc1ba4aef
[INFO] running `Command { std: "docker" "start" "-a" "9345d47c2e703a82fc5ae46954d957b9e50ee1c1dd2e4062aaa2a22cc1ba4aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9345d47c2e703a82fc5ae46954d957b9e50ee1c1dd2e4062aaa2a22cc1ba4aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9345d47c2e703a82fc5ae46954d957b9e50ee1c1dd2e4062aaa2a22cc1ba4aef", kill_on_drop: false }`
[INFO] [stdout] 9345d47c2e703a82fc5ae46954d957b9e50ee1c1dd2e4062aaa2a22cc1ba4aef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8c993771d45c14f00a9226d8ebbe1c65ff877e649f04bd880af31d630baaa85
[INFO] running `Command { std: "docker" "start" "-a" "e8c993771d45c14f00a9226d8ebbe1c65ff877e649f04bd880af31d630baaa85", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling bullitt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/linked_list.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Cell<T> {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 5 |     succ: Link<T>,
[INFO] [stdout] 6 |     value: T,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Cell` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `Command { std: "docker" "inspect" "e8c993771d45c14f00a9226d8ebbe1c65ff877e649f04bd880af31d630baaa85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c993771d45c14f00a9226d8ebbe1c65ff877e649f04bd880af31d630baaa85", kill_on_drop: false }`
[INFO] [stdout] e8c993771d45c14f00a9226d8ebbe1c65ff877e649f04bd880af31d630baaa85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a6e3d003205393fc36d76fdf958d2d3fe49380c51e06eae71a4df92d3065c27
[INFO] running `Command { std: "docker" "start" "-a" "5a6e3d003205393fc36d76fdf958d2d3fe49380c51e06eae71a4df92d3065c27", kill_on_drop: false }`
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/linked_list.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Cell<T> {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 5 |     succ: Link<T>,
[INFO] [stdout] 6 |     value: T,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Cell` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bullitt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]   --> src/linked_list.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use std::borrow::BorrowMut;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Cell`
[INFO] [stdout]   --> src/linked_list.rs:59:42
[INFO] [stdout]    |
[INFO] [stdout] 59 |     use crate::linked_list::{LinkedList, Cell, Link};
[INFO] [stdout]    |                                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `Command { std: "docker" "inspect" "5a6e3d003205393fc36d76fdf958d2d3fe49380c51e06eae71a4df92d3065c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a6e3d003205393fc36d76fdf958d2d3fe49380c51e06eae71a4df92d3065c27", kill_on_drop: false }`
[INFO] [stdout] 5a6e3d003205393fc36d76fdf958d2d3fe49380c51e06eae71a4df92d3065c27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 306ee9e3ddbaf5868669a62c8dc007e6c4f06b6fbb05a8b1efe7f0f77d0e6dc6
[INFO] running `Command { std: "docker" "start" "-a" "306ee9e3ddbaf5868669a62c8dc007e6c4f06b6fbb05a8b1efe7f0f77d0e6dc6", kill_on_drop: false }`
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]  --> src/linked_list.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Cell<T> {
[INFO] [stderr]   |            ---- field in this struct
[INFO] [stderr] 5 |     succ: Link<T>,
[INFO] [stderr] 6 |     value: T,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Cell` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bullitt` (lib) generated 1 warning
[INFO] [stderr] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stderr]   --> src/linked_list.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     use std::borrow::BorrowMut;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Cell`
[INFO] [stderr]   --> src/linked_list.rs:59:42
[INFO] [stderr]    |
[INFO] [stderr] 59 |     use crate::linked_list::{LinkedList, Cell, Link};
[INFO] [stderr]    |                                          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `bullitt` (lib test) generated 2 warnings (run `cargo fix --lib -p bullitt --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bullitt-d70ba8595be3b7c1)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test anagram::detect_simple_anagram ... ok
[INFO] [stdout] test anagram::does_not_detect_a_differently_cased_unicode_word_as_its_own_anagram ... ok
[INFO] [stdout] test anagram::does_not_detect_a_differently_cased_word_as_its_own_anagram ... ok
[INFO] [stdout] test data_structures::tests::bench_linked_list_append ... ok
[INFO] [stdout] test data_structures::tests::bench_vec_append ... ok
[INFO] [stdout] test anagram::no_matches ... ok
[INFO] [stdout] test anagram::case_insensitive_anagrams ... ok
[INFO] [stdout] test data_structures::tests::transaction_log_pop ... ok
[INFO] [stdout] test linked_list::tests::display_multiple_values ... ok
[INFO] [stdout] test linked_list::tests::add_multiple_values ... ok
[INFO] [stdout] test data_structures::tests::transaction_log_append ... ok
[INFO] [stdout] test linked_list::tests::create_linked_list ... ok
[INFO] [stdout] test data_structures::tests::bench_vec_find ... ok
[INFO] [stdout] test data_structures::tests::bench_std_linked_list_find ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bullitt
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "306ee9e3ddbaf5868669a62c8dc007e6c4f06b6fbb05a8b1efe7f0f77d0e6dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "306ee9e3ddbaf5868669a62c8dc007e6c4f06b6fbb05a8b1efe7f0f77d0e6dc6", kill_on_drop: false }`
[INFO] [stdout] 306ee9e3ddbaf5868669a62c8dc007e6c4f06b6fbb05a8b1efe7f0f77d0e6dc6