[INFO] fetching crate amper 1.0.0...
[INFO] checking amper-1.0.0 against master#18a6d911caba59605eb03db1452848a85d2e5879 for pr-112743
[INFO] extracting crate amper 1.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate amper 1.0.0 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 amper 1.0.0
[INFO] finished tweaking crates.io crate amper 1.0.0
[INFO] tweaked toml for crates.io crate amper 1.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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]  Downloading crates ...
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[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ef5c7949fb86dca61f7fbfa611a5758be3ddc6d0ff6dfd1b1bfff23cd6139ac
[INFO] running `Command { std: "docker" "start" "-a" "1ef5c7949fb86dca61f7fbfa611a5758be3ddc6d0ff6dfd1b1bfff23cd6139ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ef5c7949fb86dca61f7fbfa611a5758be3ddc6d0ff6dfd1b1bfff23cd6139ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef5c7949fb86dca61f7fbfa611a5758be3ddc6d0ff6dfd1b1bfff23cd6139ac", kill_on_drop: false }`
[INFO] [stdout] 1ef5c7949fb86dca61f7fbfa611a5758be3ddc6d0ff6dfd1b1bfff23cd6139ac
[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=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] 0262debc1fb6d5a4e1758d74d599596662081d368100b6684428f2277c3ccdeb
[INFO] running `Command { std: "docker" "start" "-a" "0262debc1fb6d5a4e1758d74d599596662081d368100b6684428f2277c3ccdeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.109
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[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking futures-sink v0.3.28
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[INFO] [stderr]    Compiling futures-util v0.3.28
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[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling syn v2.0.18
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[INFO] [stderr]     Checking instant v0.1.12
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[INFO] [stderr]    Compiling convert_case v0.4.0
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[INFO] [stderr]    Compiling thiserror-impl v1.0.40
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[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling v_escape_derive v0.8.5
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]    Compiling strfn v0.1.0
[INFO] [stderr]    Compiling amper_mac v0.1.0
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[INFO] [stderr]     Checking tracing-futures v0.2.5
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[INFO] [stderr]    Compiling mcre v0.1.0
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[INFO] [stderr]     Checking trust-dns-proto v0.19.7
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[INFO] [stderr]     Checking actix-server v1.0.4
[INFO] [stderr]     Checking actix-tls v2.0.0
[INFO] [stderr]     Checking actix-testing v1.0.1
[INFO] [stderr]     Checking trust-dns-resolver v0.19.7
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[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking actix-router v0.2.7
[INFO] [stderr]     Checking actix-http v2.2.2
[INFO] [stderr]     Checking hyper v0.14.26
[INFO] [stderr]     Checking awc v2.0.3
[INFO] [stderr]     Checking actix-web v3.3.3
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking actix-files v0.3.0
[INFO] [stderr]     Checking amper v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.36s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "0262debc1fb6d5a4e1758d74d599596662081d368100b6684428f2277c3ccdeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0262debc1fb6d5a4e1758d74d599596662081d368100b6684428f2277c3ccdeb", kill_on_drop: false }`
[INFO] [stdout] 0262debc1fb6d5a4e1758d74d599596662081d368100b6684428f2277c3ccdeb