[INFO] cloning repository https://github.com/dwalter0/faucet_workspace_serialization_poc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dwalter0/faucet_workspace_serialization_poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwalter0%2Ffaucet_workspace_serialization_poc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwalter0%2Ffaucet_workspace_serialization_poc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da2007c3d2fa8f9f83123a24bc8b7204b79546e4
[INFO] checking dwalter0/faucet_workspace_serialization_poc against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwalter0%2Ffaucet_workspace_serialization_poc" "/workspace/builds/worker-68/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-68/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  84% (545/642)
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[INFO] validating manifest of git repo https://github.com/dwalter0/faucet_workspace_serialization_poc on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dwalter0/faucet_workspace_serialization_poc
[INFO] finished tweaking git repo https://github.com/dwalter0/faucet_workspace_serialization_poc
[INFO] tweaked toml for git repo https://github.com/dwalter0/faucet_workspace_serialization_poc written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate git repo https://github.com/dwalter0/faucet_workspace_serialization_poc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.8.17
[INFO] [stderr]   Downloaded yaml-rust v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4c4fbfeb4a680ff32ba99b1d66b6e8e9e4b2273d490cf0c4e924f70c5440614
[INFO] running `Command { std: "docker" "start" "-a" "e4c4fbfeb4a680ff32ba99b1d66b6e8e9e4b2273d490cf0c4e924f70c5440614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4c4fbfeb4a680ff32ba99b1d66b6e8e9e4b2273d490cf0c4e924f70c5440614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c4fbfeb4a680ff32ba99b1d66b6e8e9e4b2273d490cf0c4e924f70c5440614", kill_on_drop: false }`
[INFO] [stdout] e4c4fbfeb4a680ff32ba99b1d66b6e8e9e4b2273d490cf0c4e924f70c5440614
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1ece0ff67025e0b140f89f186fe2123aef34dbeca09fcdf82bf10bace284a32
[INFO] running `Command { std: "docker" "start" "-a" "f1ece0ff67025e0b140f89f186fe2123aef34dbeca09fcdf82bf10bace284a32", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking yaml_parse_attempt_two v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `skip_serializing_if_empty_number`
[INFO] [stdout]   --> src/serialization_helpers.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn skip_serializing_if_empty_number<T: Zero>(input: &T) -> bool{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `skip_serializing_if_empty_number`
[INFO] [stdout]   --> src/serialization_helpers.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn skip_serializing_if_empty_number<T: Zero>(input: &T) -> bool{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.46s
[INFO] running `Command { std: "docker" "inspect" "f1ece0ff67025e0b140f89f186fe2123aef34dbeca09fcdf82bf10bace284a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1ece0ff67025e0b140f89f186fe2123aef34dbeca09fcdf82bf10bace284a32", kill_on_drop: false }`
[INFO] [stdout] f1ece0ff67025e0b140f89f186fe2123aef34dbeca09fcdf82bf10bace284a32