[INFO] fetching crate casper-types 1.2.1...
[INFO] checking casper-types-1.2.1 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate casper-types 1.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate casper-types 1.2.1 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate casper-types 1.2.1
[INFO] finished tweaking crates.io crate casper-types 1.2.1
[INFO] tweaked toml for crates.io crate casper-types 1.2.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0579ad4e736a56946849d6dc5bed9f75eca0a4870de9c9fff28de161d99c6d45
[INFO] running `Command { std: "docker" "start" "-a" "0579ad4e736a56946849d6dc5bed9f75eca0a4870de9c9fff28de161d99c6d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0579ad4e736a56946849d6dc5bed9f75eca0a4870de9c9fff28de161d99c6d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0579ad4e736a56946849d6dc5bed9f75eca0a4870de9c9fff28de161d99c6d45", kill_on_drop: false }`
[INFO] [stdout] 0579ad4e736a56946849d6dc5bed9f75eca0a4870de9c9fff28de161d99c6d45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad7d4108250e24535d54b1390f11e1f16f4e299084d47073ad60ea762e5ea24c
[INFO] running `Command { std: "docker" "start" "-a" "ad7d4108250e24535d54b1390f11e1f16f4e299084d47073ad60ea762e5ea24c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling ryu v1.0.5
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[INFO] [stderr]     Checking either v1.6.1
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[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling serde_json v1.0.64
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[INFO] [stderr]    Compiling num-traits v0.2.14
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[INFO] [stderr]     Checking csv-core v0.1.10
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[INFO] [stderr]    Compiling cast v0.2.7
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[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling datasize_derive v0.2.9
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking elliptic-curve v0.8.5
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
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[INFO] [stderr]     Checking ed25519-dalek v1.0.1
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[INFO] [stderr]     Checking serde_cbor v0.11.1
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[INFO] [stderr]     Checking serde_test v1.0.126
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking casper-types v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking version-sync v0.9.2
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]   --> src/json_pretty_printer.rs:50:31
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut long_strings: Vec<String> = vec![];
[INFO] [stdout]    |                               ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 46 |     use alloc::vec::Vec;
[INFO] [stdout]    |
[INFO] [stdout] 46 |     use crate::json_pretty_printer::tests::alloc::prelude::v1::Vec;
[INFO] [stdout]    |
[INFO] [stdout] 46 |     use proptest::std_facade::Vec;
[INFO] [stdout]    |
[INFO] [stdout] 46 |     use serde::__private::Vec;
[INFO] [stdout]    |
[INFO] [stdout]      and 1 other candidate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `casper-types` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ad7d4108250e24535d54b1390f11e1f16f4e299084d47073ad60ea762e5ea24c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7d4108250e24535d54b1390f11e1f16f4e299084d47073ad60ea762e5ea24c", kill_on_drop: false }`
[INFO] [stdout] ad7d4108250e24535d54b1390f11e1f16f4e299084d47073ad60ea762e5ea24c