[INFO] fetching crate polyhorn-cli 0.3.2...
[INFO] checking polyhorn-cli-0.3.2 against beta for pr-78714
[INFO] extracting crate polyhorn-cli 0.3.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate polyhorn-cli 0.3.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polyhorn-cli 0.3.2
[INFO] finished tweaking crates.io crate polyhorn-cli 0.3.2
[INFO] tweaked toml for crates.io crate polyhorn-cli 0.3.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate polyhorn-cli 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b65bf05ca1207db9b4dfc729def057dff2692ef51517b539b2187952f59e27d
[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" "1b65bf05ca1207db9b4dfc729def057dff2692ef51517b539b2187952f59e27d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b65bf05ca1207db9b4dfc729def057dff2692ef51517b539b2187952f59e27d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b65bf05ca1207db9b4dfc729def057dff2692ef51517b539b2187952f59e27d", kill_on_drop: false }`
[INFO] [stdout] 1b65bf05ca1207db9b4dfc729def057dff2692ef51517b539b2187952f59e27d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e57e65047b04f70a0d36a3f8a023a7558419b0638a55501b72bda3a6337cdcc0
[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" "e57e65047b04f70a0d36a3f8a023a7558419b0638a55501b72bda3a6337cdcc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]     Checking unicode-script v0.5.2
[INFO] [stderr]     Checking pico-args v0.3.4
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking os_str_bytes v2.3.2
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking inflections v1.1.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]     Checking kurbo v0.6.3
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking path-dedot v3.0.7
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking svgfilters v0.2.0
[INFO] [stderr]     Checking simplecss v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.14
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[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking inotify v0.7.1
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[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking fontdb v0.1.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.19
[INFO] [stderr]    Compiling libgit2-sys v0.12.14+1.1.0
[INFO] [stderr]    Compiling rustybuzz v0.1.1
[INFO] [stderr]    Compiling tiny-skia v0.1.0
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]    Compiling flate2 v1.0.18
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling cargo v0.48.0
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking dialoguer v0.6.2
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling smart-default v0.6.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]     Checking clap v3.0.0-beta.1
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking usvg v0.11.0
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking cargo-platform v0.1.1
[INFO] [stderr]     Checking serde_ignored v0.1.2
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking plist v1.0.0
[INFO] [stderr]     Checking resvg v0.11.0
[INFO] [stderr]     Checking git2 v0.13.12
[INFO] [stderr]     Checking rustfix v0.5.1
[INFO] [stderr]     Checking crates-io v0.31.1
[INFO] [stderr]     Checking cargo_metadata v0.11.4
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking git2-curl v0.14.1
[INFO] [stderr]     Checking polyhorn-cli v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/android/tasks/find_android_studio.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/android/tasks/find_android_studio.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/android/tasks/find_android_studio.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         mut context: AndroidContext,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/android/tasks/find_android_studio.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         mut context: AndroidContext,
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return reference to temporary value
[INFO] [stdout]   --> src/android/targets.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |            &[
[INFO] [stdout]    |  __________^-
[INFO] [stdout]    | | _________|
[INFO] [stdout]    | ||
[INFO] [stdout] 28 | ||             Target::armeabi_v7a(),
[INFO] [stdout] 29 | ||             Target::arm64_v8a(),
[INFO] [stdout] 30 | ||             Target::x86(),
[INFO] [stdout] 31 | ||             Target::x86_64(),
[INFO] [stdout] 32 | ||         ]
[INFO] [stdout]    | ||         ^
[INFO] [stdout]    | ||_________|
[INFO] [stdout]    | |__________returns a reference to data owned by the current function
[INFO] [stdout]    |            temporary value created here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/android/tasks/find_android_studio.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         mut context: AndroidContext,
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0515`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polyhorn-cli`
[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] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/android/tasks/find_android_studio.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         mut context: AndroidContext,
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return reference to temporary value
[INFO] [stdout]   --> src/android/targets.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |            &[
[INFO] [stdout]    |  __________^-
[INFO] [stdout]    | | _________|
[INFO] [stdout]    | ||
[INFO] [stdout] 28 | ||             Target::armeabi_v7a(),
[INFO] [stdout] 29 | ||             Target::arm64_v8a(),
[INFO] [stdout] 30 | ||             Target::x86(),
[INFO] [stdout] 31 | ||             Target::x86_64(),
[INFO] [stdout] 32 | ||         ]
[INFO] [stdout]    | ||         ^
[INFO] [stdout]    | ||_________|
[INFO] [stdout]    | |__________returns a reference to data owned by the current function
[INFO] [stdout]    |            temporary value created here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0515`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e57e65047b04f70a0d36a3f8a023a7558419b0638a55501b72bda3a6337cdcc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e57e65047b04f70a0d36a3f8a023a7558419b0638a55501b72bda3a6337cdcc0", kill_on_drop: false }`
[INFO] [stdout] e57e65047b04f70a0d36a3f8a023a7558419b0638a55501b72bda3a6337cdcc0