[INFO] fetching crate lcs-png-diff-server 0.1.6...
[INFO] checking lcs-png-diff-server-0.1.6 against master#18a6d911caba59605eb03db1452848a85d2e5879 for pr-112743
[INFO] extracting crate lcs-png-diff-server 0.1.6 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate lcs-png-diff-server 0.1.6 on toolchain 18a6d911caba59605eb03db1452848a85d2e5879
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lcs-png-diff-server 0.1.6
[INFO] finished tweaking crates.io crate lcs-png-diff-server 0.1.6
[INFO] tweaked toml for crates.io crate lcs-png-diff-server 0.1.6 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate lcs-png-diff-server 0.1.6 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" "+18a6d911caba59605eb03db1452848a85d2e5879" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded axum-extra v0.3.6
[INFO] [stderr]   Downloaded rusty_pool v0.7.0
[INFO] [stderr]   Downloaded axum-core v0.2.7
[INFO] [stderr]   Downloaded iri-string v0.4.1
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.14
[INFO] [stderr]   Downloaded clap v3.2.10
[INFO] [stderr]   Downloaded hashbrown v0.12.2
[INFO] [stderr]   Downloaded async-compression v0.3.14
[INFO] [stderr]   Downloaded axum v0.5.12
[INFO] [stderr]   Downloaded lcs-png-diff v0.3.1
[INFO] [stderr]   Downloaded tower-http v0.3.4
[INFO] [stderr]   Downloaded clap_derive v3.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f1c4f2bb8c09d31b4340694093061a8a876f6cab49b0a5fb0da703fe8e63f2d
[INFO] running `Command { std: "docker" "start" "-a" "9f1c4f2bb8c09d31b4340694093061a8a876f6cab49b0a5fb0da703fe8e63f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f1c4f2bb8c09d31b4340694093061a8a876f6cab49b0a5fb0da703fe8e63f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f1c4f2bb8c09d31b4340694093061a8a876f6cab49b0a5fb0da703fe8e63f2d", kill_on_drop: false }`
[INFO] [stdout] 9f1c4f2bb8c09d31b4340694093061a8a876f6cab49b0a5fb0da703fe8e63f2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3d930d1e69cf92d95b65bd675d0cb1edb5b00877f966156d5b6191e1590ae49
[INFO] running `Command { std: "docker" "start" "-a" "c3d930d1e69cf92d95b65bd675d0cb1edb5b00877f966156d5b6191e1590ae49", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.1
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[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]     Checking rusty_pool v0.7.0
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[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.14
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]    Compiling pin-project-internal v1.0.11
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]     Checking axum-core v0.2.7
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[INFO] [stderr]     Checking pin-project v1.0.11
[INFO] [stderr]     Checking clap v3.2.10
[INFO] [stderr]     Checking tokio-util v0.7.3
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[INFO] [stderr]     Checking async-compression v0.3.14
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
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[INFO] [stderr]     Checking tower-http v0.3.4
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking lcs-png-diff v0.3.1
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking axum v0.5.12
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stderr]     Checking axum-extra v0.3.6
[INFO] [stderr]     Checking lcs-png-diff-server v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.75s
[INFO] running `Command { std: "docker" "inspect" "c3d930d1e69cf92d95b65bd675d0cb1edb5b00877f966156d5b6191e1590ae49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d930d1e69cf92d95b65bd675d0cb1edb5b00877f966156d5b6191e1590ae49", kill_on_drop: false }`
[INFO] [stdout] c3d930d1e69cf92d95b65bd675d0cb1edb5b00877f966156d5b6191e1590ae49