[INFO] cloning repository https://github.com/txdowty/rust-serialization
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/txdowty/rust-serialization" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftxdowty%2Frust-serialization", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftxdowty%2Frust-serialization'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 307d7d1c626d9dedf53334f219bc4b2ad8d5bdc5
[INFO] checking txdowty/rust-serialization against try#38c2997544af84fe301d600d6896397738163002 for pr-154205-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftxdowty%2Frust-serialization" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/txdowty/rust-serialization
[INFO] finished tweaking git repo https://github.com/txdowty/rust-serialization
[INFO] tweaked toml for git repo https://github.com/txdowty/rust-serialization written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/txdowty/rust-serialization on toolchain 38c2997544af84fe301d600d6896397738163002
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/txdowty/rust-serialization 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" "+38c2997544af84fe301d600d6896397738163002" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking txdowty/rust-serialization against try#38c2997544af84fe301d600d6896397738163002 for pr-154205-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftxdowty%2Frust-serialization" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/txdowty/rust-serialization
[INFO] finished tweaking git repo https://github.com/txdowty/rust-serialization
[INFO] tweaked toml for git repo https://github.com/txdowty/rust-serialization written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/txdowty/rust-serialization on toolchain 38c2997544af84fe301d600d6896397738163002
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/txdowty/rust-serialization 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" "+38c2997544af84fe301d600d6896397738163002" "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_cbor v0.11.2
[INFO] [stderr]   Downloaded iter-read v1.1.0
[INFO] [stderr]   Downloaded half v1.8.3
[INFO] [stderr]   Downloaded serde_bencode v0.2.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.104
[INFO] [stderr]   Downloaded zmij v1.0.1
[INFO] [stderr]   Downloaded serde-pickle v1.2.0
[INFO] [stderr]   Downloaded serde_json v1.0.148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0a335688c1eae771964ba7fc36d8580242b702e5eed0037ea9d1ae720851014
[INFO] running `Command { std: "docker" "start" "-a" "e0a335688c1eae771964ba7fc36d8580242b702e5eed0037ea9d1ae720851014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0a335688c1eae771964ba7fc36d8580242b702e5eed0037ea9d1ae720851014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0a335688c1eae771964ba7fc36d8580242b702e5eed0037ea9d1ae720851014", kill_on_drop: false }`
[INFO] [stdout] e0a335688c1eae771964ba7fc36d8580242b702e5eed0037ea9d1ae720851014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cef8ec6b849b3225e9350489da763bb9ffb7c3a874c13ec26620d658fb1b3e37
[INFO] running `Command { std: "docker" "start" "-a" "cef8ec6b849b3225e9350489da763bb9ffb7c3a874c13ec26620d658fb1b3e37", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.104
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling zmij v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.148
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking iter-read v1.1.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde_bencode v0.2.4
[INFO] [stderr]     Checking serde-pickle v1.2.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking shared v0.1.0 (/opt/rustwide/workdir/shared)
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stderr] [FMTARGS] {"crate":"server","loc":"server/src/main.rs:12:13","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"server","loc":"server/src/main.rs:15:17","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"server","loc":"server/src/main.rs:32:25","p":1,"ph":0,"wa":0,"pa":0,"a":0,"pos":0,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":0,"a_opt":0,"sz_no_dedup":0,"sz_old":0,"sz_opt":0}
[INFO] [stderr] [FMTARGS] {"crate":"server","loc":"server/src/main.rs:36:13","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"server","loc":"server/src/main.rs:46:25","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"client","loc":"client/src/main.rs:19:25","p":1,"ph":0,"wa":0,"pa":0,"a":0,"pos":0,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":0,"a_opt":0,"sz_no_dedup":0,"sz_old":0,"sz_opt":0}
[INFO] [stderr] [FMTARGS] {"crate":"client","loc":"client/src/main.rs:19:25","p":1,"ph":0,"wa":0,"pa":0,"a":0,"pos":0,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":0,"a_opt":0,"sz_no_dedup":0,"sz_old":0,"sz_opt":0}
[INFO] [stderr] [FMTARGS] {"crate":"server","loc":"server/src/main.rs:12:13","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"server","loc":"server/src/main.rs:15:17","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"server","loc":"server/src/main.rs:32:25","p":1,"ph":0,"wa":0,"pa":0,"a":0,"pos":0,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":0,"a_opt":0,"sz_no_dedup":0,"sz_old":0,"sz_opt":0}
[INFO] [stderr] [FMTARGS] {"crate":"server","loc":"server/src/main.rs:36:13","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"server","loc":"server/src/main.rs:46:25","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.39s
[INFO] running `Command { std: "docker" "inspect" "cef8ec6b849b3225e9350489da763bb9ffb7c3a874c13ec26620d658fb1b3e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cef8ec6b849b3225e9350489da763bb9ffb7c3a874c13ec26620d658fb1b3e37", kill_on_drop: false }`
[INFO] [stdout] cef8ec6b849b3225e9350489da763bb9ffb7c3a874c13ec26620d658fb1b3e37