[INFO] cloning repository https://github.com/rolph-recto/ifcap-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rolph-recto/ifcap-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frolph-recto%2Fifcap-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frolph-recto%2Fifcap-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0e3496a72786a55bc6742cda79462ce7b0f5db7
[INFO] checking rolph-recto/ifcap-rust against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frolph-recto%2Fifcap-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rolph-recto/ifcap-rust on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rolph-recto/ifcap-rust
[INFO] finished tweaking git repo https://github.com/rolph-recto/ifcap-rust
[INFO] tweaked toml for git repo https://github.com/rolph-recto/ifcap-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/rolph-recto/ifcap-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded im v15.0.0
[INFO] [stderr]   Downloaded sized-chunks v0.6.2
[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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34b21e5b65b86224d7d57ed9873c4bccaa29f66d18b9bf229afbe24b9625369b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "34b21e5b65b86224d7d57ed9873c4bccaa29f66d18b9bf229afbe24b9625369b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34b21e5b65b86224d7d57ed9873c4bccaa29f66d18b9bf229afbe24b9625369b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34b21e5b65b86224d7d57ed9873c4bccaa29f66d18b9bf229afbe24b9625369b", kill_on_drop: false }`
[INFO] [stdout] 34b21e5b65b86224d7d57ed9873c4bccaa29f66d18b9bf229afbe24b9625369b
[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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 443b4664a6ef522f61326e5ee36499fe769e715218c5e9ab9b4b1842a888dcec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "443b4664a6ef522f61326e5ee36499fe769e715218c5e9ab9b4b1842a888dcec", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]     Checking ifcap-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::types::IfcapType::*`
[INFO] [stdout]  --> src/tests.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use crate::types::IfcapType::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/types/lattice_solve.rs:454:20
[INFO] [stdout]     |
[INFO] [stdout] 454 |               } else {
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 455 | |                 // pure literal elimination
[INFO] [stdout] 456 | |
[INFO] [stdout] 457 | |             }
[INFO] [stdout]     | |_____________^ expected enum `Option`, found `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Option<im::HashMap<i32, bool>>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/types/lattice_solve.rs:454:20
[INFO] [stdout]     |
[INFO] [stdout] 454 |               } else {
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 455 | |                 // pure literal elimination
[INFO] [stdout] 456 | |
[INFO] [stdout] 457 | |             }
[INFO] [stdout]     | |_____________^ expected enum `Option`, found `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Option<im::HashMap<i32, bool>>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ifcap-rust`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "443b4664a6ef522f61326e5ee36499fe769e715218c5e9ab9b4b1842a888dcec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443b4664a6ef522f61326e5ee36499fe769e715218c5e9ab9b4b1842a888dcec", kill_on_drop: false }`
[INFO] [stdout] 443b4664a6ef522f61326e5ee36499fe769e715218c5e9ab9b4b1842a888dcec