[INFO] cloning repository https://github.com/swfsql/serde_many
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swfsql/serde_many" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswfsql%2Fserde_many", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswfsql%2Fserde_many'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1da79c528b0948d7c05d07de45ce4526d173757a
[INFO] checking swfsql/serde_many against master#3139ff09e9d07f7700f8d15ed25a231e29c43627 for pr-121848-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswfsql%2Fserde_many" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/swfsql/serde_many on toolchain 3139ff09e9d07f7700f8d15ed25a231e29c43627
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/swfsql/serde_many
[INFO] finished tweaking git repo https://github.com/swfsql/serde_many
[INFO] tweaked toml for git repo https://github.com/swfsql/serde_many written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/swfsql/serde_many 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" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking swfsql/serde_many against try#a2cff3b7a9661c90ec0d581d3f3a69bb97c11138 for pr-121848-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswfsql%2Fserde_many" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/swfsql/serde_many on toolchain a2cff3b7a9661c90ec0d581d3f3a69bb97c11138
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/swfsql/serde_many
[INFO] finished tweaking git repo https://github.com/swfsql/serde_many
[INFO] tweaked toml for git repo https://github.com/swfsql/serde_many written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/swfsql/serde_many 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" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/swfsql/serde`
[INFO] [stderr]     Updating git repository `https://github.com/swfsql/serde`
[INFO] [stderr]     Updating git repository `https://github.com/swfsql/json`
[INFO] [stderr]     Updating git repository `https://github.com/swfsql/json`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7bd0848f8ea119e0cb8443b6feaf10564b959c87d12b3c8fef3371f091f907f
[INFO] running `Command { std: "docker" "start" "-a" "a7bd0848f8ea119e0cb8443b6feaf10564b959c87d12b3c8fef3371f091f907f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7bd0848f8ea119e0cb8443b6feaf10564b959c87d12b3c8fef3371f091f907f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7bd0848f8ea119e0cb8443b6feaf10564b959c87d12b3c8fef3371f091f907f", kill_on_drop: false }`
[INFO] [stdout] a7bd0848f8ea119e0cb8443b6feaf10564b959c87d12b3c8fef3371f091f907f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34e94f863808f4b3666b2f853d07b2d921b5b7778ffd7632a16fef6f27ef9352
[INFO] running `Command { std: "docker" "start" "-a" "34e94f863808f4b3666b2f853d07b2d921b5b7778ffd7632a16fef6f27ef9352", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.102 (https://github.com/swfsql/serde?branch=serde-custom-symbol-2#7a41a374)
[INFO] [stderr]    Compiling serde v1.0.102 (https://github.com/swfsql/serde?branch=serde-custom-symbol#c1836258)
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.102 (https://github.com/swfsql/serde?branch=serde-custom-symbol-2#7a41a374)
[INFO] [stderr]    Compiling serde_derive v1.0.102 (https://github.com/swfsql/serde?branch=serde-custom-symbol#c1836258)
[INFO] [stderr]     Checking serde_json v1.0.41 (https://github.com/swfsql/json?branch=serde-custom-symbol#432f334e)
[INFO] [stderr]     Checking serde_json v1.0.41 (https://github.com/swfsql/json?branch=serde-custom-symbol-2#a6520829)
[INFO] [stderr]     Checking serde_many v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `s1` is never used
[INFO] [stdout]  --> src/lib.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const s1: &str = r#"{
[INFO] [stdout]   |       ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `s2` is never used
[INFO] [stdout]  --> src/lib.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const s2: &str = r#"{
[INFO] [stdout]   |       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `s1` should have an upper case name
[INFO] [stdout]  --> src/lib.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const s1: &str = r#"{
[INFO] [stdout]   |       ^^ help: convert the identifier to upper case (notice the capitalization): `S1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `s2` should have an upper case name
[INFO] [stdout]  --> src/lib.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const s2: &str = r#"{
[INFO] [stdout]   |       ^^ help: convert the identifier to upper case (notice the capitalization): `S2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `s1` should have an upper case name
[INFO] [stdout]  --> src/lib.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const s1: &str = r#"{
[INFO] [stdout]   |       ^^ help: convert the identifier to upper case (notice the capitalization): `S1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `s2` should have an upper case name
[INFO] [stdout]  --> src/lib.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const s2: &str = r#"{
[INFO] [stdout]   |       ^^ help: convert the identifier to upper case (notice the capitalization): `S2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.72s
[INFO] running `Command { std: "docker" "inspect" "34e94f863808f4b3666b2f853d07b2d921b5b7778ffd7632a16fef6f27ef9352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e94f863808f4b3666b2f853d07b2d921b5b7778ffd7632a16fef6f27ef9352", kill_on_drop: false }`
[INFO] [stdout] 34e94f863808f4b3666b2f853d07b2d921b5b7778ffd7632a16fef6f27ef9352