[INFO] fetching crate fast-map 0.2.1...
[INFO] testing fast-map-0.2.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate fast-map 0.2.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate fast-map 0.2.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast-map 0.2.1
[INFO] finished tweaking crates.io crate fast-map 0.2.1
[INFO] tweaked toml for crates.io crate fast-map 0.2.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fast-map-derive v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb95bee93e0488ee5dc7e6efc6208a96a9aca10083ad5d879252b94a71379aea
[INFO] running `Command { std: "docker" "start" "-a" "fb95bee93e0488ee5dc7e6efc6208a96a9aca10083ad5d879252b94a71379aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb95bee93e0488ee5dc7e6efc6208a96a9aca10083ad5d879252b94a71379aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb95bee93e0488ee5dc7e6efc6208a96a9aca10083ad5d879252b94a71379aea", kill_on_drop: false }`
[INFO] [stdout] fb95bee93e0488ee5dc7e6efc6208a96a9aca10083ad5d879252b94a71379aea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87b2a81e7806bdb4a4dd7b78c63554be83af659b5182bcd6b85cf777611b1f81
[INFO] running `Command { std: "docker" "start" "-a" "87b2a81e7806bdb4a4dd7b78c63554be83af659b5182bcd6b85cf777611b1f81", kill_on_drop: false }`
[INFO] [stderr]    Compiling fast-map v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling fast-map-derive v0.2.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.30s
[INFO] running `Command { std: "docker" "inspect" "87b2a81e7806bdb4a4dd7b78c63554be83af659b5182bcd6b85cf777611b1f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87b2a81e7806bdb4a4dd7b78c63554be83af659b5182bcd6b85cf777611b1f81", kill_on_drop: false }`
[INFO] [stdout] 87b2a81e7806bdb4a4dd7b78c63554be83af659b5182bcd6b85cf777611b1f81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e93f10108220af2f0ad73fabcf71c0098d459569eb67bb70f279e2744f733021
[INFO] running `Command { std: "docker" "start" "-a" "e93f10108220af2f0ad73fabcf71c0098d459569eb67bb70f279e2744f733021", kill_on_drop: false }`
[INFO] [stderr]    Compiling fast-map v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:119:10
[INFO] [stdout]     |
[INFO] [stdout] 119 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `A`
[INFO] [stdout]    --> src/lib.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |             A,
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `D`
[INFO] [stdout]    --> src/lib.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |             D,
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         foo.insert(1, "1");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         foo.insert(2, "2");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         foo.insert(3, "3");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |         foo.insert(4, "4");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "e93f10108220af2f0ad73fabcf71c0098d459569eb67bb70f279e2744f733021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e93f10108220af2f0ad73fabcf71c0098d459569eb67bb70f279e2744f733021", kill_on_drop: false }`
[INFO] [stdout] e93f10108220af2f0ad73fabcf71c0098d459569eb67bb70f279e2744f733021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9111b3e3d12600a09e3fe1f5ca94d6e316f631a034525d3f039e7f99d4623ed6
[INFO] running `Command { std: "docker" "start" "-a" "9111b3e3d12600a09e3fe1f5ca94d6e316f631a034525d3f039e7f99d4623ed6", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stdout] running 3 tests
[INFO] [stderr]    --> src/lib.rs:119:10
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::it_works_3 ... ok
[INFO] [stderr] 119 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A`
[INFO] [stderr]    --> src/lib.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |             A,
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D`
[INFO] [stderr]    --> src/lib.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |             D,
[INFO] [stderr]     |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         foo.insert(1, "1");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 |         foo.insert(2, "2");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |         foo.insert(3, "3");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |         foo.insert(4, "4");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fast_map-c6d03bac3057ac88)
[INFO] [stdout] test tests::it_works_2 ... ok
[INFO] [stderr]    Doc-tests fast-map
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 18) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9111b3e3d12600a09e3fe1f5ca94d6e316f631a034525d3f039e7f99d4623ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9111b3e3d12600a09e3fe1f5ca94d6e316f631a034525d3f039e7f99d4623ed6", kill_on_drop: false }`
[INFO] [stdout] 9111b3e3d12600a09e3fe1f5ca94d6e316f631a034525d3f039e7f99d4623ed6