[INFO] fetching crate prettythanks 0.1.0...
[INFO] building prettythanks-0.1.0 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] extracting crate prettythanks 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate prettythanks 0.1.0 on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prettythanks 0.1.0
[INFO] finished tweaking crates.io crate prettythanks 0.1.0
[INFO] tweaked toml for crates.io crate prettythanks 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate prettythanks 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf1b13faf9cf30ccd23abf31439d4cfbd4c14934e46a3fb7266ee9b3f04e3362
[INFO] running `Command { std: "docker" "start" "-a" "bf1b13faf9cf30ccd23abf31439d4cfbd4c14934e46a3fb7266ee9b3f04e3362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf1b13faf9cf30ccd23abf31439d4cfbd4c14934e46a3fb7266ee9b3f04e3362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf1b13faf9cf30ccd23abf31439d4cfbd4c14934e46a3fb7266ee9b3f04e3362", kill_on_drop: false }`
[INFO] [stdout] bf1b13faf9cf30ccd23abf31439d4cfbd4c14934e46a3fb7266ee9b3f04e3362
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eceacea6447a745c62f2dc05d47c43e56c35c7f9ee100c60a395ffccaedbd91a
[INFO] running `Command { std: "docker" "start" "-a" "eceacea6447a745c62f2dc05d47c43e56c35c7f9ee100c60a395ffccaedbd91a", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling argh_shared v0.1.10
[INFO] [stderr]    Compiling camino v1.1.4
[INFO] [stderr]    Compiling prettyplease v0.2.10
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling argh_derive v0.1.10
[INFO] [stderr]    Compiling argh v0.1.10
[INFO] [stderr]    Compiling prettythanks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.47s
[INFO] running `Command { std: "docker" "inspect" "eceacea6447a745c62f2dc05d47c43e56c35c7f9ee100c60a395ffccaedbd91a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eceacea6447a745c62f2dc05d47c43e56c35c7f9ee100c60a395ffccaedbd91a", kill_on_drop: false }`
[INFO] [stdout] eceacea6447a745c62f2dc05d47c43e56c35c7f9ee100c60a395ffccaedbd91a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab1cbc165a4708b6d68c8e1d2c6a88386ff021bbc0a554f258e548214aa498b9
[INFO] running `Command { std: "docker" "start" "-a" "ab1cbc165a4708b6d68c8e1d2c6a88386ff021bbc0a554f258e548214aa498b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling prettythanks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "ab1cbc165a4708b6d68c8e1d2c6a88386ff021bbc0a554f258e548214aa498b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab1cbc165a4708b6d68c8e1d2c6a88386ff021bbc0a554f258e548214aa498b9", kill_on_drop: false }`
[INFO] [stdout] ab1cbc165a4708b6d68c8e1d2c6a88386ff021bbc0a554f258e548214aa498b9