[INFO] cloning repository https://github.com/luizalbertocviana/rust-workspace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luizalbertocviana/rust-workspace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizalbertocviana%2Frust-workspace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizalbertocviana%2Frust-workspace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ceba748da7d8aeef3d1f4fcade912e75f80f7d26
[INFO] checking luizalbertocviana/rust-workspace/ceba748da7d8aeef3d1f4fcade912e75f80f7d26 against master#59d99f56d8888b0e5a5866d6418df3ca1bb90013 for pr-100046
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizalbertocviana%2Frust-workspace" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/luizalbertocviana/rust-workspace on toolchain 59d99f56d8888b0e5a5866d6418df3ca1bb90013
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+59d99f56d8888b0e5a5866d6418df3ca1bb90013" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luizalbertocviana/rust-workspace
[INFO] finished tweaking git repo https://github.com/luizalbertocviana/rust-workspace
[INFO] tweaked toml for git repo https://github.com/luizalbertocviana/rust-workspace written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/luizalbertocviana/rust-workspace already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+59d99f56d8888b0e5a5866d6418df3ca1bb90013" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+59d99f56d8888b0e5a5866d6418df3ca1bb90013" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63450b3d41db6573d57771ef442b5c6eacdd63dd8134b564288a20b5931ff403
[INFO] running `Command { std: "docker" "start" "-a" "63450b3d41db6573d57771ef442b5c6eacdd63dd8134b564288a20b5931ff403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63450b3d41db6573d57771ef442b5c6eacdd63dd8134b564288a20b5931ff403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63450b3d41db6573d57771ef442b5c6eacdd63dd8134b564288a20b5931ff403", kill_on_drop: false }`
[INFO] [stdout] 63450b3d41db6573d57771ef442b5c6eacdd63dd8134b564288a20b5931ff403
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+59d99f56d8888b0e5a5866d6418df3ca1bb90013" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05c8c519cf6ed7e8a1051f1001b2b5c2619ae9abd56d89e3eb7d50f04f637af5
[INFO] running `Command { std: "docker" "start" "-a" "05c8c519cf6ed7e8a1051f1001b2b5c2619ae9abd56d89e3eb7d50f04f637af5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking disjoint-set v0.1.0 (/opt/rustwide/workdir/disjoint-set)
[INFO] [stderr]     Checking matrix v0.1.0 (/opt/rustwide/workdir/matrix)
[INFO] [stderr]     Checking branch-bound v0.1.0 (/opt/rustwide/workdir/branch-bound)
[INFO] [stderr]     Checking solving-manager v0.1.0 (/opt/rustwide/workdir/solving-manager)
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking graph v0.1.0 (/opt/rustwide/workdir/graph)
[INFO] [stderr]     Checking instance v0.1.0 (/opt/rustwide/workdir/instance)
[INFO] [stderr]     Checking instance-generators v0.1.0 (/opt/rustwide/workdir/instance-generators)
[INFO] [stderr]     Checking instance-bb v0.1.0 (/opt/rustwide/workdir/instance-bb)
[INFO] [stderr]     Checking instance-bb-solver v0.1.0 (/opt/rustwide/workdir/instance-bb-solver)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.08s
[INFO] running `Command { std: "docker" "inspect" "05c8c519cf6ed7e8a1051f1001b2b5c2619ae9abd56d89e3eb7d50f04f637af5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c8c519cf6ed7e8a1051f1001b2b5c2619ae9abd56d89e3eb7d50f04f637af5", kill_on_drop: false }`
[INFO] [stdout] 05c8c519cf6ed7e8a1051f1001b2b5c2619ae9abd56d89e3eb7d50f04f637af5