[INFO] fetching crate map_vec 0.3.0...
[INFO] checking map_vec-0.3.0 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate map_vec 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate map_vec 0.3.0 on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate map_vec 0.3.0
[INFO] finished tweaking crates.io crate map_vec 0.3.0
[INFO] tweaked toml for crates.io crate map_vec 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ee6466669fc3fb995930f94bdfd440519d6ad7bfaf0fe270979b2108d47c984
[INFO] running `Command { std: "docker" "start" "-a" "2ee6466669fc3fb995930f94bdfd440519d6ad7bfaf0fe270979b2108d47c984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ee6466669fc3fb995930f94bdfd440519d6ad7bfaf0fe270979b2108d47c984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ee6466669fc3fb995930f94bdfd440519d6ad7bfaf0fe270979b2108d47c984", kill_on_drop: false }`
[INFO] [stdout] 2ee6466669fc3fb995930f94bdfd440519d6ad7bfaf0fe270979b2108d47c984
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef91b24a722e633c699a0782369f3b2bc33f1f61dc2196bcd1293936bde7a943
[INFO] running `Command { std: "docker" "start" "-a" "ef91b24a722e633c699a0782369f3b2bc33f1f61dc2196bcd1293936bde7a943", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking serde_json v1.0.96
[INFO] [stderr]     Checking map_vec v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/map.rs:1202:21
[INFO] [stdout]      |
[INFO] [stdout] 1202 |         a.insert(key.clone(), value.clone());
[INFO] [stdout]      |                     ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]      = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/map.rs:1202:36
[INFO] [stdout]      |
[INFO] [stdout] 1202 |         a.insert(key.clone(), value.clone());
[INFO] [stdout]      |                                    ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/map.rs:1206:26
[INFO] [stdout]      |
[INFO] [stdout] 1206 |         match a.entry(key.clone()) {
[INFO] [stdout]      |                          ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/map.rs:1221:26
[INFO] [stdout]      |
[INFO] [stdout] 1221 |         match a.entry(key.clone()) {
[INFO] [stdout]      |                          ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/map.rs:1225:31
[INFO] [stdout]      |
[INFO] [stdout] 1225 |                 e.insert(value.clone());
[INFO] [stdout]      |                               ^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `map_vec` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "ef91b24a722e633c699a0782369f3b2bc33f1f61dc2196bcd1293936bde7a943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef91b24a722e633c699a0782369f3b2bc33f1f61dc2196bcd1293936bde7a943", kill_on_drop: false }`
[INFO] [stdout] ef91b24a722e633c699a0782369f3b2bc33f1f61dc2196bcd1293936bde7a943