[INFO] fetching crate compt 1.6.1...
[INFO] checking compt-1.6.1 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate compt 1.6.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate compt 1.6.1 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate compt 1.6.1
[INFO] finished tweaking crates.io crate compt 1.6.1
[INFO] tweaked toml for crates.io crate compt 1.6.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-test v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b22a80c05de37b83e740ac19cca2edf38a72402fc6658380b3389636d169291e
[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" "b22a80c05de37b83e740ac19cca2edf38a72402fc6658380b3389636d169291e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b22a80c05de37b83e740ac19cca2edf38a72402fc6658380b3389636d169291e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b22a80c05de37b83e740ac19cca2edf38a72402fc6658380b3389636d169291e", kill_on_drop: false }`
[INFO] [stdout] b22a80c05de37b83e740ac19cca2edf38a72402fc6658380b3389636d169291e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c22324bd8838118c778c8f5cff2be5539f19b94b66f42d46f914ac8c540a315
[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" "2c22324bd8838118c778c8f5cff2be5539f19b94b66f42d46f914ac8c540a315", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking compt v1.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rustc-test v0.3.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stdout] error[E0599]: no method named `bfs_iter` found for struct `compt::bfs_order::VistrMut<'_, {integer}>` in the current scope
[INFO] [stdout]   --> benches/trees.rs:36:32
[INFO] [stdout]    |
[INFO] [stdout] 36 |         for a in k.vistr_mut().bfs_iter() {
[INFO] [stdout]    |                                ^^^^^^^^ method not found in `compt::bfs_order::VistrMut<'_, {integer}>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `bfs_iter` found for struct `compt::dfs_order::VistrMut<'_, {integer}, PreOrder>` in the current scope
[INFO] [stdout]   --> benches/trees.rs:48:32
[INFO] [stdout]    |
[INFO] [stdout] 48 |         for a in k.vistr_mut().bfs_iter() {
[INFO] [stdout]    |                                ^^^^^^^^ method not found in `compt::dfs_order::VistrMut<'_, {integer}, PreOrder>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compt`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "2c22324bd8838118c778c8f5cff2be5539f19b94b66f42d46f914ac8c540a315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c22324bd8838118c778c8f5cff2be5539f19b94b66f42d46f914ac8c540a315", kill_on_drop: false }`
[INFO] [stdout] 2c22324bd8838118c778c8f5cff2be5539f19b94b66f42d46f914ac8c540a315