[INFO] fetching crate stackmap 0.1.2...
[INFO] testing stackmap-0.1.2 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate stackmap 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate stackmap 0.1.2
[INFO] finished tweaking crates.io crate stackmap 0.1.2
[INFO] tweaked toml for crates.io crate stackmap 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stackmap 0.1.2 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stackmap 0.1.2 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23effa3dffff05efaa83c0a8f1bcea37168366111bf28da9e3260b4e9744b924
[INFO] running `Command { std: "docker" "start" "-a" "23effa3dffff05efaa83c0a8f1bcea37168366111bf28da9e3260b4e9744b924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23effa3dffff05efaa83c0a8f1bcea37168366111bf28da9e3260b4e9744b924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23effa3dffff05efaa83c0a8f1bcea37168366111bf28da9e3260b4e9744b924", kill_on_drop: false }`
[INFO] [stdout] 23effa3dffff05efaa83c0a8f1bcea37168366111bf28da9e3260b4e9744b924
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a785856bdc3b9f54ef3eb792f3aba2d44993a5e43209476b959f9995346b461
[INFO] running `Command { std: "docker" "start" "-a" "9a785856bdc3b9f54ef3eb792f3aba2d44993a5e43209476b959f9995346b461", kill_on_drop: false }`
[INFO] [stderr]    Compiling stackmap v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "9a785856bdc3b9f54ef3eb792f3aba2d44993a5e43209476b959f9995346b461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a785856bdc3b9f54ef3eb792f3aba2d44993a5e43209476b959f9995346b461", kill_on_drop: false }`
[INFO] [stdout] 9a785856bdc3b9f54ef3eb792f3aba2d44993a5e43209476b959f9995346b461
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0acfb9ccb12274cc2b748d7edeb9473b090a0fbaffd82bafc5b2db1d630e2c4
[INFO] running `Command { std: "docker" "start" "-a" "f0acfb9ccb12274cc2b748d7edeb9473b090a0fbaffd82bafc5b2db1d630e2c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling stackmap v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:560:38
[INFO] [stdout]     |
[INFO] [stdout] 560 |         assert_eq!(map.remove(&"a"), Some(1));
[INFO] [stdout]     |                                      ^^^^^^^ expected `bool`, found `Option<{integer}>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type `bool`
[INFO] [stdout]                found enum `Option<{integer}>`
[INFO] [stdout] help: use `Option::is_some` to test if the `Option` has a value
[INFO] [stdout]     |
[INFO] [stdout] 560 |         assert_eq!(map.remove(&"a"), Some(1).is_some());
[INFO] [stdout]     |                                             ++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:567:38
[INFO] [stdout]     |
[INFO] [stdout] 567 |         assert_eq!(map.remove(&"c"), None);
[INFO] [stdout]     |                                      ^^^^ expected `bool`, found `Option<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type `bool`
[INFO] [stdout]                found enum `Option<_>`
[INFO] [stdout] help: use `Option::is_some` to test if the `Option` has a value
[INFO] [stdout]     |
[INFO] [stdout] 567 |         assert_eq!(map.remove(&"c"), None.is_some());
[INFO] [stdout]     |                                          ++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:571:38
[INFO] [stdout]     |
[INFO] [stdout] 571 |         assert_eq!(map.remove(&"b"), Some(2));
[INFO] [stdout]     |                                      ^^^^^^^ expected `bool`, found `Option<{integer}>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type `bool`
[INFO] [stdout]                found enum `Option<{integer}>`
[INFO] [stdout] help: use `Option::is_some` to test if the `Option` has a value
[INFO] [stdout]     |
[INFO] [stdout] 571 |         assert_eq!(map.remove(&"b"), Some(2).is_some());
[INFO] [stdout]     |                                             ++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:634:36
[INFO] [stdout]     |
[INFO] [stdout] 634 |         assert_eq!(map.remove(&2), Some("two"));
[INFO] [stdout]     |                                    ^^^^^^^^^^^ expected `bool`, found `Option<&str>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type `bool`
[INFO] [stdout]                found enum `Option<&str>`
[INFO] [stdout] help: use `Option::is_some` to test if the `Option` has a value
[INFO] [stdout]     |
[INFO] [stdout] 634 |         assert_eq!(map.remove(&2), Some("two").is_some());
[INFO] [stdout]     |                                               ++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alloc_after_create`
[INFO] [stdout]    --> src/lib.rs:771:13
[INFO] [stdout]     |
[INFO] [stdout] 771 |         let alloc_after_create = get_allocation_count();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_alloc_after_create`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stackmap` (lib test) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f0acfb9ccb12274cc2b748d7edeb9473b090a0fbaffd82bafc5b2db1d630e2c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0acfb9ccb12274cc2b748d7edeb9473b090a0fbaffd82bafc5b2db1d630e2c4", kill_on_drop: false }`
[INFO] [stdout] f0acfb9ccb12274cc2b748d7edeb9473b090a0fbaffd82bafc5b2db1d630e2c4