[INFO] fetching crate gac 0.1.2...
[INFO] testing gac-0.1.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate gac 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate gac 0.1.2
[INFO] finished tweaking crates.io crate gac 0.1.2
[INFO] tweaked toml for crates.io crate gac 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gac 0.1.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gac 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6dcb337c880470f4b71926950fb569481d7adbb70f6f60a81688801474f12e56
[INFO] running `Command { std: "docker" "start" "-a" "6dcb337c880470f4b71926950fb569481d7adbb70f6f60a81688801474f12e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dcb337c880470f4b71926950fb569481d7adbb70f6f60a81688801474f12e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dcb337c880470f4b71926950fb569481d7adbb70f6f60a81688801474f12e56", kill_on_drop: false }`
[INFO] [stdout] 6dcb337c880470f4b71926950fb569481d7adbb70f6f60a81688801474f12e56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48938a1ecd1503eb87b56a46f0be6c4dcc4be092407b291831081e4a1f717b7d
[INFO] running `Command { std: "docker" "start" "-a" "48938a1ecd1503eb87b56a46f0be6c4dcc4be092407b291831081e4a1f717b7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling gac v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `hash_raw_entry`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(hash_raw_entry, iter_intersperse, str_split_whitespace_remainder)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `raw_entry_mut` found for struct `HashMap<K, V, S>` in the current scope
[INFO] [stdout]   --> src/main.rs:31:21
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 lhs.raw_entry_mut()
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `get_mut` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/collections/hash/map.rs:1171:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `raw_entry_mut` found for struct `HashMap<K, V, S>` in the current scope
[INFO] [stdout]   --> src/main.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 rhs.raw_entry_mut()
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `get_mut` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/collections/hash/map.rs:1171:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gac` (bin "gac") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "48938a1ecd1503eb87b56a46f0be6c4dcc4be092407b291831081e4a1f717b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48938a1ecd1503eb87b56a46f0be6c4dcc4be092407b291831081e4a1f717b7d", kill_on_drop: false }`
[INFO] [stdout] 48938a1ecd1503eb87b56a46f0be6c4dcc4be092407b291831081e4a1f717b7d