[INFO] cloning repository https://github.com/tusharmath/serde-performance-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tusharmath/serde-performance-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftusharmath%2Fserde-performance-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftusharmath%2Fserde-performance-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 553ec468aaf47529b69fcb3dddb43e5822f575aa
[INFO] checking tusharmath/serde-performance-experiments against master#0e517d38ad0e72f93c734b14fabd4bb9b7441de6 for pr-140557-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftusharmath%2Fserde-performance-experiments" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tusharmath/serde-performance-experiments on toolchain 0e517d38ad0e72f93c734b14fabd4bb9b7441de6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tusharmath/serde-performance-experiments
[INFO] finished tweaking git repo https://github.com/tusharmath/serde-performance-experiments
[INFO] tweaked toml for git repo https://github.com/tusharmath/serde-performance-experiments written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tusharmath/serde-performance-experiments 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" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.199
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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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a6c7fe02f20ea7e6c14b38a6745fb5d7f9db87f4f064acea1b3b2ab09446392
[INFO] running `Command { std: "docker" "start" "-a" "0a6c7fe02f20ea7e6c14b38a6745fb5d7f9db87f4f064acea1b3b2ab09446392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a6c7fe02f20ea7e6c14b38a6745fb5d7f9db87f4f064acea1b3b2ab09446392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a6c7fe02f20ea7e6c14b38a6745fb5d7f9db87f4f064acea1b3b2ab09446392", kill_on_drop: false }`
[INFO] [stdout] 0a6c7fe02f20ea7e6c14b38a6745fb5d7f9db87f4f064acea1b3b2ab09446392
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27c717fc6991ae6c59b68a4fde156fdc6a3c272db2d108e00e5e4a886f47682f
[INFO] running `Command { std: "docker" "start" "-a" "27c717fc6991ae6c59b68a4fde156fdc6a3c272db2d108e00e5e4a886f47682f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.199
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking ciborium-io v0.2.2
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[INFO] [stderr]     Checking ryu v1.0.17
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[INFO] [stderr]     Checking itertools v0.10.5
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[INFO] [stderr]    Compiling num-traits v0.2.18
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[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
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[INFO] [stderr]    Compiling serde_derive v1.0.199
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[INFO] [stderr]     Checking serde-benchmarks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.83s
[INFO] running `Command { std: "docker" "inspect" "27c717fc6991ae6c59b68a4fde156fdc6a3c272db2d108e00e5e4a886f47682f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c717fc6991ae6c59b68a4fde156fdc6a3c272db2d108e00e5e4a886f47682f", kill_on_drop: false }`
[INFO] [stdout] 27c717fc6991ae6c59b68a4fde156fdc6a3c272db2d108e00e5e4a886f47682f