[INFO] fetching crate union-utils 0.1.5...
[INFO] checking union-utils-0.1.5 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate union-utils 0.1.5 into /workspace/builds/worker-60/source
[INFO] validating manifest of crates.io crate union-utils 0.1.5 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate union-utils 0.1.5
[INFO] finished tweaking crates.io crate union-utils 0.1.5
[INFO] tweaked toml for crates.io crate union-utils 0.1.5 written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--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-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83416c9d15d91f8ea81bd940318389a7204cf417b23a38da24ca31ca81356b42
[INFO] running `Command { std: "docker" "start" "-a" "83416c9d15d91f8ea81bd940318389a7204cf417b23a38da24ca31ca81356b42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83416c9d15d91f8ea81bd940318389a7204cf417b23a38da24ca31ca81356b42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83416c9d15d91f8ea81bd940318389a7204cf417b23a38da24ca31ca81356b42", kill_on_drop: false }`
[INFO] [stdout] 83416c9d15d91f8ea81bd940318389a7204cf417b23a38da24ca31ca81356b42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcd923c4d13e78f5f066afd10e2687f9d8c1e434bc892ab44fa0c37fe17bfbcf
[INFO] running `Command { std: "docker" "start" "-a" "dcd923c4d13e78f5f066afd10e2687f9d8c1e434bc892ab44fa0c37fe17bfbcf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
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[INFO] [stderr]    Compiling parking_lot_core v0.8.5
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[INFO] [stderr]    Compiling crunchy v0.2.2
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[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling crc32fast v1.2.2
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.6.25
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[INFO] [stderr]     Checking leb128 v0.2.5
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[INFO] [stderr]    Compiling candid_derive v0.4.5
[INFO] [stderr]    Compiling async-trait v0.1.51
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[INFO] [stderr]     Checking binread v2.2.0
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[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking ic-types v0.2.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.4
[INFO] [stderr]     Checking num_enum v0.5.4
[INFO] [stderr]    Compiling candid v0.7.8
[INFO] [stderr]     Checking ic-cdk v0.3.3
[INFO] [stderr]     Checking union-utils v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `install` should have an upper camel case name
[INFO] [stdout]   --> src/management_canister_client.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     install,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Install`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `reinstall` should have an upper camel case name
[INFO] [stdout]   --> src/management_canister_client.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     reinstall,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `Reinstall`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `upgrade` should have an upper camel case name
[INFO] [stdout]   --> src/management_canister_client.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     upgrade,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Upgrade`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `install` should have an upper camel case name
[INFO] [stdout]   --> src/management_canister_client.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     install,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Install`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `reinstall` should have an upper camel case name
[INFO] [stdout]   --> src/management_canister_client.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     reinstall,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `Reinstall`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `upgrade` should have an upper camel case name
[INFO] [stdout]   --> src/management_canister_client.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     upgrade,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Upgrade`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.85s
[INFO] running `Command { std: "docker" "inspect" "dcd923c4d13e78f5f066afd10e2687f9d8c1e434bc892ab44fa0c37fe17bfbcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcd923c4d13e78f5f066afd10e2687f9d8c1e434bc892ab44fa0c37fe17bfbcf", kill_on_drop: false }`
[INFO] [stdout] dcd923c4d13e78f5f066afd10e2687f9d8c1e434bc892ab44fa0c37fe17bfbcf