[INFO] cloning repository https://github.com/PRL-PRG/djanco-python2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PRL-PRG/djanco-python2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPRL-PRG%2Fdjanco-python2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPRL-PRG%2Fdjanco-python2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0f9a65404eb0cfeead92587b5048772f46ecf2c
[INFO] testing PRL-PRG/djanco-python2 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPRL-PRG%2Fdjanco-python2" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PRL-PRG/djanco-python2 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 git repo https://github.com/PRL-PRG/djanco-python2
[INFO] finished tweaking git repo https://github.com/PRL-PRG/djanco-python2
[INFO] tweaked toml for git repo https://github.com/PRL-PRG/djanco-python2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/PRL-PRG/djanco-python2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/PRL-PRG/djanco`
[INFO] [stderr]     Updating git repository `https://github.com/PRL-PRG/djanco_ext`
[INFO] [stderr]     Updating git repository `https://github.com/PRL-PRG/codedj-parasite.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-hack-impl v0.4.3
[INFO] [stderr]   Downloaded num-bigint v0.3.2
[INFO] [stderr]   Downloaded dialoguer v0.8.0
[INFO] [stderr]   Downloaded git2_credentials v0.7.3
[INFO] [stderr]   Downloaded proc-macro-hack v0.4.3
[INFO] [stderr]   Downloaded mashup-impl v0.1.13+deprecated
[INFO] [stderr]   Downloaded mashup v0.1.13+deprecated
[INFO] [stderr]   Downloaded delegate v0.5.2
[INFO] [stderr]   Downloaded git2 v0.13.20
[INFO] [stderr]   Downloaded libgit2-sys v0.12.21+1.1.0
[INFO] [stderr]   Downloaded rand_pcg v0.3.1
[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" "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] e17eaf05766fb24061ff8039e7590db0bd74b49509d931865cbb2b0dedbedfdc
[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" "e17eaf05766fb24061ff8039e7590db0bd74b49509d931865cbb2b0dedbedfdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e17eaf05766fb24061ff8039e7590db0bd74b49509d931865cbb2b0dedbedfdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e17eaf05766fb24061ff8039e7590db0bd74b49509d931865cbb2b0dedbedfdc", kill_on_drop: false }`
[INFO] [stdout] e17eaf05766fb24061ff8039e7590db0bd74b49509d931865cbb2b0dedbedfdc
[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" "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] d69d2835c52a2f39442494f88f65212dbc0d32d5d6ec4e8828d21e5234f04842
[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" "d69d2835c52a2f39442494f88f65212dbc0d32d5d6ec4e8828d21e5234f04842", kill_on_drop: false }`
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[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling console v0.14.1
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[INFO] [stderr]    Compiling num v0.3.1
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[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling delegate v0.5.2
[INFO] [stderr]    Compiling djanco_ext v0.1.2 (https://github.com/PRL-PRG/djanco_ext#864c3b28)
[INFO] [stderr]    Compiling git2 v0.13.20
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling git2_credentials v0.7.3
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling parasite v0.3.0 (https://github.com/PRL-PRG/codedj-parasite.git?tag=moving-sentinel#3f0ad026)
[INFO] [stderr]    Compiling djanco v0.3.2 (https://github.com/PRL-PRG/djanco?branch=main#a137bf31)
[INFO] [stderr]    Compiling djanco-python2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `itertools`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `itertools`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unique` found for struct `FlatMap` in the current scope
[INFO] [stdout]     --> src/lib.rs:62:10
[INFO] [stdout]      |
[INFO] [stdout] 62   |         .unique()
[INFO] [stdout]      |          ^^^^^^ method not found in `FlatMap<FlatMap<AttributeMapIter<QuincunxIter<'_, djanco::objects::Commit>, djanco::commit::Paths, djanco::objects::Commit, Option<Vec<ItemWithData<'_, djanco::objects::Path>>>>, Option<Vec<ItemWithData<'_, djanco::objects::Path>>>, [closure@src/lib.rs:58:19: 58:34]>, Vec<ItemWithData<'_, djanco::objects::Path>>, [closure@src/lib.rs:60:19: 60:34]>`
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/itertools-0.10.1/src/lib.rs:1310:8
[INFO] [stdout]      |
[INFO] [stdout] 1310 |     fn unique(self) -> Unique<Self>
[INFO] [stdout]      |        ------ the method is available for `FlatMap<FlatMap<AttributeMapIter<QuincunxIter<'_, djanco::objects::Commit>, djanco::commit::Paths, djanco::objects::Commit, Option<Vec<ItemWithData<'_, djanco::objects::Path>>>>, Option<Vec<ItemWithData<'_, djanco::objects::Path>>>, [closure@src/lib.rs:58:19: 58:34]>, Vec<ItemWithData<'_, djanco::objects::Path>>, [closure@src/lib.rs:60:19: 60:34]>` here
[INFO] [stdout]      |
[INFO] [stdout]      = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]      |
[INFO] [stdout] 1    | use itertools::Itertools;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unique` found for struct `FlatMap` in the current scope
[INFO] [stdout]     --> src/lib.rs:74:10
[INFO] [stdout]      |
[INFO] [stdout] 74   |         .unique()
[INFO] [stdout]      |          ^^^^^^ method not found in `FlatMap<FlatMap<AttributeMapIter<QuincunxIter<'_, djanco::objects::Commit>, djanco::commit::SnapshotIds, djanco::objects::Commit, Option<Vec<djanco::objects::SnapshotId>>>, Option<Vec<djanco::objects::SnapshotId>>, [closure@src/lib.rs:70:19: 70:34]>, Vec<djanco::objects::SnapshotId>, [closure@src/lib.rs:72:19: 72:34]>`
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/itertools-0.10.1/src/lib.rs:1310:8
[INFO] [stdout]      |
[INFO] [stdout] 1310 |     fn unique(self) -> Unique<Self>
[INFO] [stdout]      |        ------ the method is available for `FlatMap<FlatMap<AttributeMapIter<QuincunxIter<'_, djanco::objects::Commit>, djanco::commit::SnapshotIds, djanco::objects::Commit, Option<Vec<djanco::objects::SnapshotId>>>, Option<Vec<djanco::objects::SnapshotId>>, [closure@src/lib.rs:70:19: 70:34]>, Vec<djanco::objects::SnapshotId>, [closure@src/lib.rs:72:19: 72:34]>` here
[INFO] [stdout]      |
[INFO] [stdout]      = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]      |
[INFO] [stdout] 1    | use itertools::Itertools;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `djanco-python2`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d69d2835c52a2f39442494f88f65212dbc0d32d5d6ec4e8828d21e5234f04842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d69d2835c52a2f39442494f88f65212dbc0d32d5d6ec4e8828d21e5234f04842", kill_on_drop: false }`
[INFO] [stdout] d69d2835c52a2f39442494f88f65212dbc0d32d5d6ec4e8828d21e5234f04842