[INFO] cloning repository https://github.com/kennytm/log-duration-visualizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kennytm/log-duration-visualizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennytm%2Flog-duration-visualizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennytm%2Flog-duration-visualizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd9405582400b931d54e336fe9ef6c57d7d62ac3
[INFO] checking kennytm/log-duration-visualizer against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennytm%2Flog-duration-visualizer" "/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/kennytm/log-duration-visualizer on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kennytm/log-duration-visualizer
[INFO] finished tweaking git repo https://github.com/kennytm/log-duration-visualizer
[INFO] tweaked toml for git repo https://github.com/kennytm/log-duration-visualizer written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kennytm/log-duration-visualizer 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.82
[INFO] [stderr]   Downloaded serde_derive v1.0.82
[INFO] [stderr]   Downloaded structopt-derive v0.2.14
[INFO] [stderr]   Downloaded structopt v0.2.14
[INFO] [stderr]   Downloaded syn v0.15.23
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 431247b02b6d29981e50bb489a9cd3d984da9987cc54d1cd9c01ac1a641b3df3
[INFO] running `Command { std: "docker" "start" "-a" "431247b02b6d29981e50bb489a9cd3d984da9987cc54d1cd9c01ac1a641b3df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "431247b02b6d29981e50bb489a9cd3d984da9987cc54d1cd9c01ac1a641b3df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "431247b02b6d29981e50bb489a9cd3d984da9987cc54d1cd9c01ac1a641b3df3", kill_on_drop: false }`
[INFO] [stdout] 431247b02b6d29981e50bb489a9cd3d984da9987cc54d1cd9c01ac1a641b3df3
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a555b936cefad6db41a0676d0f358a234e2c0acfadb34a3918c19c3d2daa144
[INFO] running `Command { std: "docker" "start" "-a" "9a555b936cefad6db41a0676d0f358a234e2c0acfadb34a3918c19c3d2daa144", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking log-duration-visualizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.06s
[INFO] running `Command { std: "docker" "inspect" "9a555b936cefad6db41a0676d0f358a234e2c0acfadb34a3918c19c3d2daa144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a555b936cefad6db41a0676d0f358a234e2c0acfadb34a3918c19c3d2daa144", kill_on_drop: false }`
[INFO] [stdout] 9a555b936cefad6db41a0676d0f358a234e2c0acfadb34a3918c19c3d2daa144
[INFO] checking kennytm/log-duration-visualizer against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennytm%2Flog-duration-visualizer" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kennytm/log-duration-visualizer on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kennytm/log-duration-visualizer
[INFO] finished tweaking git repo https://github.com/kennytm/log-duration-visualizer
[INFO] tweaked toml for git repo https://github.com/kennytm/log-duration-visualizer written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kennytm/log-duration-visualizer 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79899541bd43e28f6cca0cdd2c58bcb108d1b641ef98cbef2411ed51b402a2e8
[INFO] running `Command { std: "docker" "start" "-a" "79899541bd43e28f6cca0cdd2c58bcb108d1b641ef98cbef2411ed51b402a2e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79899541bd43e28f6cca0cdd2c58bcb108d1b641ef98cbef2411ed51b402a2e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79899541bd43e28f6cca0cdd2c58bcb108d1b641ef98cbef2411ed51b402a2e8", kill_on_drop: false }`
[INFO] [stdout] 79899541bd43e28f6cca0cdd2c58bcb108d1b641ef98cbef2411ed51b402a2e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b174dd775dd6c7a1e8105ee379733dc2200e1800d0c28d9b5c49fba80b0115be
[INFO] running `Command { std: "docker" "start" "-a" "b174dd775dd6c7a1e8105ee379733dc2200e1800d0c28d9b5c49fba80b0115be", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking log-duration-visualizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.90s
[INFO] running `Command { std: "docker" "inspect" "b174dd775dd6c7a1e8105ee379733dc2200e1800d0c28d9b5c49fba80b0115be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b174dd775dd6c7a1e8105ee379733dc2200e1800d0c28d9b5c49fba80b0115be", kill_on_drop: false }`
[INFO] [stdout] b174dd775dd6c7a1e8105ee379733dc2200e1800d0c28d9b5c49fba80b0115be