[INFO] cloning repository https://github.com/scrabsha/concord
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scrabsha/concord" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscrabsha%2Fconcord", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscrabsha%2Fconcord'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f386d8531f2bd57cdfea5400fcb1fbaa75b522b0
[INFO] testing scrabsha/concord against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscrabsha%2Fconcord" "/workspace/builds/worker-92/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-92/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scrabsha/concord on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scrabsha/concord
[INFO] finished tweaking git repo https://github.com/scrabsha/concord
[INFO] tweaked toml for git repo https://github.com/scrabsha/concord written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] crate git repo https://github.com/scrabsha/concord already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.63
[INFO] [stderr]   Downloaded seahorse v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f013e9e40a4bca5a714d38e323c5be061bcc19d0cdb65f312a0a5fcd27430c4
[INFO] running `Command { std: "docker" "start" "-a" "8f013e9e40a4bca5a714d38e323c5be061bcc19d0cdb65f312a0a5fcd27430c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f013e9e40a4bca5a714d38e323c5be061bcc19d0cdb65f312a0a5fcd27430c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f013e9e40a4bca5a714d38e323c5be061bcc19d0cdb65f312a0a5fcd27430c4", kill_on_drop: false }`
[INFO] [stdout] 8f013e9e40a4bca5a714d38e323c5be061bcc19d0cdb65f312a0a5fcd27430c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab98e12cd557446fba9ff1bf90954a0cb42da808ec37991900bcb1dd8157a5e0
[INFO] running `Command { std: "docker" "start" "-a" "ab98e12cd557446fba9ff1bf90954a0cb42da808ec37991900bcb1dd8157a5e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling once_cell v1.7.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling serde_json v1.0.63
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling seahorse v1.1.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde-hjson v0.9.1
[INFO] [stderr]    Compiling config v0.10.1
[INFO] [stderr]    Compiling concord v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.34s
[INFO] running `Command { std: "docker" "inspect" "ab98e12cd557446fba9ff1bf90954a0cb42da808ec37991900bcb1dd8157a5e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab98e12cd557446fba9ff1bf90954a0cb42da808ec37991900bcb1dd8157a5e0", kill_on_drop: false }`
[INFO] [stdout] ab98e12cd557446fba9ff1bf90954a0cb42da808ec37991900bcb1dd8157a5e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e76364c2ba84e83025f7fc908a0aa32912d3a6ed5b896df05d816845d92c3df
[INFO] running `Command { std: "docker" "start" "-a" "1e76364c2ba84e83025f7fc908a0aa32912d3a6ed5b896df05d816845d92c3df", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling concord v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "1e76364c2ba84e83025f7fc908a0aa32912d3a6ed5b896df05d816845d92c3df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e76364c2ba84e83025f7fc908a0aa32912d3a6ed5b896df05d816845d92c3df", kill_on_drop: false }`
[INFO] [stdout] 1e76364c2ba84e83025f7fc908a0aa32912d3a6ed5b896df05d816845d92c3df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3fbf22d4f9f6a1d82b3859b3655c6df10afafb9805c2d77691728079d817c0dc
[INFO] running `Command { std: "docker" "start" "-a" "3fbf22d4f9f6a1d82b3859b3655c6df10afafb9805c2d77691728079d817c0dc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/concord-dd4229792055f707)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3fbf22d4f9f6a1d82b3859b3655c6df10afafb9805c2d77691728079d817c0dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fbf22d4f9f6a1d82b3859b3655c6df10afafb9805c2d77691728079d817c0dc", kill_on_drop: false }`
[INFO] [stdout] 3fbf22d4f9f6a1d82b3859b3655c6df10afafb9805c2d77691728079d817c0dc