[INFO] fetching crate bfcomp 0.1.2...
[INFO] checking bfcomp-0.1.2 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate bfcomp 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate bfcomp 0.1.2 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bfcomp 0.1.2
[INFO] finished tweaking crates.io crate bfcomp 0.1.2
[INFO] tweaked toml for crates.io crate bfcomp 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate bfcomp 0.1.2 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-width v0.1.6
[INFO] [stderr]   Downloaded vec_map v0.8.1
[INFO] [stderr]   Downloaded bfcore v0.2.0
[INFO] [stderr]   Downloaded atty v0.2.13
[INFO] [stderr]   Downloaded clap v2.33.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce65591d9462bda5160ac2015faa9d995d2395558dbdf8b98072a3dfc07b7782
[INFO] running `Command { std: "docker" "start" "-a" "ce65591d9462bda5160ac2015faa9d995d2395558dbdf8b98072a3dfc07b7782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce65591d9462bda5160ac2015faa9d995d2395558dbdf8b98072a3dfc07b7782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce65591d9462bda5160ac2015faa9d995d2395558dbdf8b98072a3dfc07b7782", kill_on_drop: false }`
[INFO] [stdout] ce65591d9462bda5160ac2015faa9d995d2395558dbdf8b98072a3dfc07b7782
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a66c9f12c7e495dc91136f999e04323a3c3178d177b6327c4feabf0265ca32c
[INFO] running `Command { std: "docker" "start" "-a" "7a66c9f12c7e495dc91136f999e04323a3c3178d177b6327c4feabf0265ca32c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bfcore v0.2.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking bfcomp v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `lang` is never read
[INFO] [stdout]  --> src/input.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct CompilerInput {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 9 |     lang: Lang,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CompilerInput` 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: field `lang` is never read
[INFO] [stdout]  --> src/input.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct CompilerInput {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 9 |     lang: Lang,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CompilerInput` 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: field `lang` is never read
[INFO] [stdout]  --> src/compiler.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Compiler {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 9 |     lang: Lang,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Compiler` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lang` is never read
[INFO] [stdout]  --> src/compiler.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Compiler {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 9 |     lang: Lang,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Compiler` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "7a66c9f12c7e495dc91136f999e04323a3c3178d177b6327c4feabf0265ca32c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a66c9f12c7e495dc91136f999e04323a3c3178d177b6327c4feabf0265ca32c", kill_on_drop: false }`
[INFO] [stdout] 7a66c9f12c7e495dc91136f999e04323a3c3178d177b6327c4feabf0265ca32c
[INFO] checking bfcomp-0.1.2 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate bfcomp 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate bfcomp 0.1.2 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bfcomp 0.1.2
[INFO] finished tweaking crates.io crate bfcomp 0.1.2
[INFO] tweaked toml for crates.io crate bfcomp 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate bfcomp 0.1.2 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdf896147e6699ac60b4b26645a3bfd60bb68d18e10a9b67f2632fd1e42cfec7
[INFO] running `Command { std: "docker" "start" "-a" "fdf896147e6699ac60b4b26645a3bfd60bb68d18e10a9b67f2632fd1e42cfec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdf896147e6699ac60b4b26645a3bfd60bb68d18e10a9b67f2632fd1e42cfec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdf896147e6699ac60b4b26645a3bfd60bb68d18e10a9b67f2632fd1e42cfec7", kill_on_drop: false }`
[INFO] [stdout] fdf896147e6699ac60b4b26645a3bfd60bb68d18e10a9b67f2632fd1e42cfec7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af67148b4b0a045909bc72adf15ab8a4184e9045fb749aaa51a94742f570820f
[INFO] running `Command { std: "docker" "start" "-a" "af67148b4b0a045909bc72adf15ab8a4184e9045fb749aaa51a94742f570820f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bfcore v0.2.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking bfcomp v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `lang` is never read
[INFO] [stdout]  --> src/input.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct CompilerInput {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 9 |     lang: Lang,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CompilerInput` 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: field `lang` is never read
[INFO] [stdout]  --> src/input.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct CompilerInput {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 9 |     lang: Lang,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CompilerInput` 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: field `lang` is never read
[INFO] [stdout]  --> src/compiler.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Compiler {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 9 |     lang: Lang,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Compiler` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lang` is never read
[INFO] [stdout]  --> src/compiler.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Compiler {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 9 |     lang: Lang,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Compiler` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "af67148b4b0a045909bc72adf15ab8a4184e9045fb749aaa51a94742f570820f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af67148b4b0a045909bc72adf15ab8a4184e9045fb749aaa51a94742f570820f", kill_on_drop: false }`
[INFO] [stdout] af67148b4b0a045909bc72adf15ab8a4184e9045fb749aaa51a94742f570820f
