[INFO] cloning repository https://github.com/kkismd/vtbase
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kkismd/vtbase" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkismd%2Fvtbase", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkismd%2Fvtbase'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f6cd61be3427ce416142dc6e32f5945b8257d34
[INFO] checking kkismd/vtbase against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkismd%2Fvtbase" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kkismd/vtbase 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/kkismd/vtbase
[INFO] finished tweaking git repo https://github.com/kkismd/vtbase
[INFO] tweaked toml for git repo https://github.com/kkismd/vtbase written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kkismd/vtbase 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ihex v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 92c49477d21bc237ab72e000ce27100d7cd1fa29a7c5ccbc6a440190e2db1230
[INFO] running `Command { std: "docker" "start" "-a" "92c49477d21bc237ab72e000ce27100d7cd1fa29a7c5ccbc6a440190e2db1230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92c49477d21bc237ab72e000ce27100d7cd1fa29a7c5ccbc6a440190e2db1230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92c49477d21bc237ab72e000ce27100d7cd1fa29a7c5ccbc6a440190e2db1230", kill_on_drop: false }`
[INFO] [stdout] 92c49477d21bc237ab72e000ce27100d7cd1fa29a7c5ccbc6a440190e2db1230
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e76c4d4157d06c2d2262678beed47f8f417f63eb7b35bde5bd487bdaf6e89d57
[INFO] running `Command { std: "docker" "start" "-a" "e76c4d4157d06c2d2262678beed47f8f417f63eb7b35bde5bd487bdaf6e89d57", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking ihex v3.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]   --> src/assembler.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct LabelEntry {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 24 |     pub name: String,
[INFO] [stdout] 25 |     pub line: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LabelEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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: field `line` is never read
[INFO] [stdout]   --> src/assembler.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct LabelEntry {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 24 |     pub name: String,
[INFO] [stdout] 25 |     pub line: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LabelEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.81s
[INFO] running `Command { std: "docker" "inspect" "e76c4d4157d06c2d2262678beed47f8f417f63eb7b35bde5bd487bdaf6e89d57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e76c4d4157d06c2d2262678beed47f8f417f63eb7b35bde5bd487bdaf6e89d57", kill_on_drop: false }`
[INFO] [stdout] e76c4d4157d06c2d2262678beed47f8f417f63eb7b35bde5bd487bdaf6e89d57
[INFO] checking kkismd/vtbase against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkismd%2Fvtbase" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kkismd/vtbase 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/kkismd/vtbase
[INFO] finished tweaking git repo https://github.com/kkismd/vtbase
[INFO] tweaked toml for git repo https://github.com/kkismd/vtbase written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kkismd/vtbase 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1169698ff94971e2077a9624b67404d02fd5ea09f1462eabb8ec291e74e23eb0
[INFO] running `Command { std: "docker" "start" "-a" "1169698ff94971e2077a9624b67404d02fd5ea09f1462eabb8ec291e74e23eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1169698ff94971e2077a9624b67404d02fd5ea09f1462eabb8ec291e74e23eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1169698ff94971e2077a9624b67404d02fd5ea09f1462eabb8ec291e74e23eb0", kill_on_drop: false }`
[INFO] [stdout] 1169698ff94971e2077a9624b67404d02fd5ea09f1462eabb8ec291e74e23eb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b8fba5b5370bb2170e7a88f5f936fa36c6c93d2d7ef9a5604441017ebfae7921
[INFO] running `Command { std: "docker" "start" "-a" "b8fba5b5370bb2170e7a88f5f936fa36c6c93d2d7ef9a5604441017ebfae7921", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking ihex v3.0.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `line` is never read
[INFO] [stdout]   --> src/assembler.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct LabelEntry {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 24 |     pub name: String,
[INFO] [stdout] 25 |     pub line: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LabelEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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: field `line` is never read
[INFO] [stdout]   --> src/assembler.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct LabelEntry {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 24 |     pub name: String,
[INFO] [stdout] 25 |     pub line: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LabelEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.05s
[INFO] running `Command { std: "docker" "inspect" "b8fba5b5370bb2170e7a88f5f936fa36c6c93d2d7ef9a5604441017ebfae7921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8fba5b5370bb2170e7a88f5f936fa36c6c93d2d7ef9a5604441017ebfae7921", kill_on_drop: false }`
[INFO] [stdout] b8fba5b5370bb2170e7a88f5f936fa36c6c93d2d7ef9a5604441017ebfae7921