[INFO] cloning repository https://github.com/johnsonw/graph_serialization
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnsonw/graph_serialization" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnsonw%2Fgraph_serialization", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnsonw%2Fgraph_serialization'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66d100953c616d290cf630fb8747635fc6639b05
[INFO] checking johnsonw/graph_serialization against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnsonw%2Fgraph_serialization" "/workspace/builds/worker-72/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-72/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/johnsonw/graph_serialization on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/johnsonw/graph_serialization
[INFO] finished tweaking git repo https://github.com/johnsonw/graph_serialization
[INFO] tweaked toml for git repo https://github.com/johnsonw/graph_serialization written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate git repo https://github.com/johnsonw/graph_serialization already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ed5f514a845820b533ebb415ba1085663b20b5bcfaa321a99ee0cd1bd3397c6
[INFO] running `Command { std: "docker" "start" "-a" "2ed5f514a845820b533ebb415ba1085663b20b5bcfaa321a99ee0cd1bd3397c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ed5f514a845820b533ebb415ba1085663b20b5bcfaa321a99ee0cd1bd3397c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ed5f514a845820b533ebb415ba1085663b20b5bcfaa321a99ee0cd1bd3397c6", kill_on_drop: false }`
[INFO] [stdout] 2ed5f514a845820b533ebb415ba1085663b20b5bcfaa321a99ee0cd1bd3397c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edf84ed824f5e51978798927b26d4e4079537495b42f54147f4b3ef3c3716cb6
[INFO] running `Command { std: "docker" "start" "-a" "edf84ed824f5e51978798927b26d4e4079537495b42f54147f4b3ef3c3716cb6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 20s
[INFO] running `Command { std: "docker" "inspect" "edf84ed824f5e51978798927b26d4e4079537495b42f54147f4b3ef3c3716cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf84ed824f5e51978798927b26d4e4079537495b42f54147f4b3ef3c3716cb6", kill_on_drop: false }`
[INFO] [stdout] edf84ed824f5e51978798927b26d4e4079537495b42f54147f4b3ef3c3716cb6