[INFO] fetching crate assoc_list 0.1.0...
[INFO] testing assoc_list-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate assoc_list 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate assoc_list 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate assoc_list 0.1.0
[INFO] finished tweaking crates.io crate assoc_list 0.1.0
[INFO] tweaked toml for crates.io crate assoc_list 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 744795aa3484b744b24e473d02872d449dd0ba526b6459cb0fe6e2e44f42d587
[INFO] running `Command { std: "docker" "start" "-a" "744795aa3484b744b24e473d02872d449dd0ba526b6459cb0fe6e2e44f42d587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "744795aa3484b744b24e473d02872d449dd0ba526b6459cb0fe6e2e44f42d587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744795aa3484b744b24e473d02872d449dd0ba526b6459cb0fe6e2e44f42d587", kill_on_drop: false }`
[INFO] [stdout] 744795aa3484b744b24e473d02872d449dd0ba526b6459cb0fe6e2e44f42d587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daee5a68411028ab575afe3981b1d623fc9f6cfc646c5053a98f3cc604670af4
[INFO] running `Command { std: "docker" "start" "-a" "daee5a68411028ab575afe3981b1d623fc9f6cfc646c5053a98f3cc604670af4", kill_on_drop: false }`
[INFO] [stderr]    Compiling assoc_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new() -> AssocList<K, V> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/lib.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn insert(&mut self, k: K, v: V) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn len(&self) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains_key`
[INFO] [stdout]   --> src/lib.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn contains_key(&self, k: &K) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/lib.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn remove(&mut self, k: &K) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "daee5a68411028ab575afe3981b1d623fc9f6cfc646c5053a98f3cc604670af4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daee5a68411028ab575afe3981b1d623fc9f6cfc646c5053a98f3cc604670af4", kill_on_drop: false }`
[INFO] [stdout] daee5a68411028ab575afe3981b1d623fc9f6cfc646c5053a98f3cc604670af4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5568e565c35eca7c8928ad278382ba55f268c31a50140ab9096b456c8aadf293
[INFO] running `Command { std: "docker" "start" "-a" "5568e565c35eca7c8928ad278382ba55f268c31a50140ab9096b456c8aadf293", kill_on_drop: false }`
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new() -> AssocList<K, V> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling assoc_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/lib.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn insert(&mut self, k: K, v: V) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn len(&self) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains_key`
[INFO] [stdout]   --> src/lib.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn contains_key(&self, k: &K) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/lib.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn remove(&mut self, k: &K) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map`
[INFO] [stdout]   --> src/lib.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let map: AssocList<String, String> = AssocList::new();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_map`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "5568e565c35eca7c8928ad278382ba55f268c31a50140ab9096b456c8aadf293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5568e565c35eca7c8928ad278382ba55f268c31a50140ab9096b456c8aadf293", kill_on_drop: false }`
[INFO] [stdout] 5568e565c35eca7c8928ad278382ba55f268c31a50140ab9096b456c8aadf293
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 29cf5e5bfa21a1e5ce256a4aae63e3e15c8b6ac5a2c6b1f4350de142c7237dba
[INFO] running `Command { std: "docker" "start" "-a" "29cf5e5bfa21a1e5ce256a4aae63e3e15c8b6ac5a2c6b1f4350de142c7237dba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/lib.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn new() -> AssocList<K, V> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert`
[INFO] [stderr]   --> src/lib.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn insert(&mut self, k: K, v: V) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len`
[INFO] [stderr]   --> src/lib.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn len(&self) -> usize {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `contains_key`
[INFO] [stderr]   --> src/lib.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn contains_key(&self, k: &K) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `remove`
[INFO] [stderr]   --> src/lib.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn remove(&mut self, k: &K) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `assoc_list` (lib) generated 5 warnings
[INFO] [stderr] warning: unused variable: `map`
[INFO] [stderr]   --> src/lib.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let map: AssocList<String, String> = AssocList::new();
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_map`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `assoc_list` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/assoc_list-0e5cc39815805a0d)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test contains_key_works ... ok
[INFO] [stdout] test get_works ... ok
[INFO] [stdout] test index_works ... ok
[INFO] [stdout] test insert_works ... ok
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] test len_works ... ok
[INFO] [stdout] test remove_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests assoc_list
[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" "29cf5e5bfa21a1e5ce256a4aae63e3e15c8b6ac5a2c6b1f4350de142c7237dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29cf5e5bfa21a1e5ce256a4aae63e3e15c8b6ac5a2c6b1f4350de142c7237dba", kill_on_drop: false }`
[INFO] [stdout] 29cf5e5bfa21a1e5ce256a4aae63e3e15c8b6ac5a2c6b1f4350de142c7237dba