[INFO] fetching crate flexbox 0.0.1...
[INFO] checking flexbox-0.0.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate flexbox 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate flexbox 0.0.1 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 crates.io crate flexbox 0.0.1
[INFO] finished tweaking crates.io crate flexbox 0.0.1
[INFO] tweaked toml for crates.io crate flexbox 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate flexbox 0.0.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bf90ba212b6bb78124933af22bdcfcfe69e347a8610d3a7fcffb8b3eb611ffe4
[INFO] running `Command { std: "docker" "start" "-a" "bf90ba212b6bb78124933af22bdcfcfe69e347a8610d3a7fcffb8b3eb611ffe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf90ba212b6bb78124933af22bdcfcfe69e347a8610d3a7fcffb8b3eb611ffe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf90ba212b6bb78124933af22bdcfcfe69e347a8610d3a7fcffb8b3eb611ffe4", kill_on_drop: false }`
[INFO] [stdout] bf90ba212b6bb78124933af22bdcfcfe69e347a8610d3a7fcffb8b3eb611ffe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 88496ac92b0ab36997635905a32d9b1f4bcdf31c628315a3a251e573d20d8199
[INFO] running `Command { std: "docker" "start" "-a" "88496ac92b0ab36997635905a32d9b1f4bcdf31c628315a3a251e573d20d8199", kill_on_drop: false }`
[INFO] [stderr]     Checking flexbox v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `vertical` is never read
[INFO] [stdout]  --> src/flexbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct FlexBox {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 3 |     reverse: bool,
[INFO] [stdout] 4 |     vertical: bool,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `FlexBox` has derived impls for the traits `Debug` and `Clone`, 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 `vertical` is never read
[INFO] [stdout]  --> src/flexbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct FlexBox {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 3 |     reverse: bool,
[INFO] [stdout] 4 |     vertical: bool,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `FlexBox` has derived impls for the traits `Debug` and `Clone`, 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vertical` is never read
[INFO] [stdout]  --> src/flexbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct FlexBox {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 3 |     reverse: bool,
[INFO] [stdout] 4 |     vertical: bool,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `FlexBox` has derived impls for the traits `Debug` and `Clone`, 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 `vertical` is never read
[INFO] [stdout]  --> src/flexbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct FlexBox {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 3 |     reverse: bool,
[INFO] [stdout] 4 |     vertical: bool,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `FlexBox` has derived impls for the traits `Debug` and `Clone`, 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "88496ac92b0ab36997635905a32d9b1f4bcdf31c628315a3a251e573d20d8199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88496ac92b0ab36997635905a32d9b1f4bcdf31c628315a3a251e573d20d8199", kill_on_drop: false }`
[INFO] [stdout] 88496ac92b0ab36997635905a32d9b1f4bcdf31c628315a3a251e573d20d8199
[INFO] checking flexbox-0.0.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate flexbox 0.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate flexbox 0.0.1 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 crates.io crate flexbox 0.0.1
[INFO] finished tweaking crates.io crate flexbox 0.0.1
[INFO] tweaked toml for crates.io crate flexbox 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate flexbox 0.0.1 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] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbc09de8487c7a8769a2869031ab817c4a5dcbf907584f5c0f3512351b0b6daa
[INFO] running `Command { std: "docker" "start" "-a" "cbc09de8487c7a8769a2869031ab817c4a5dcbf907584f5c0f3512351b0b6daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbc09de8487c7a8769a2869031ab817c4a5dcbf907584f5c0f3512351b0b6daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc09de8487c7a8769a2869031ab817c4a5dcbf907584f5c0f3512351b0b6daa", kill_on_drop: false }`
[INFO] [stdout] cbc09de8487c7a8769a2869031ab817c4a5dcbf907584f5c0f3512351b0b6daa
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceb93ce3f6f49aa7e9cc2a8d11b54a3d7b047ca36933e9cee6d29ff95d375e13
[INFO] running `Command { std: "docker" "start" "-a" "ceb93ce3f6f49aa7e9cc2a8d11b54a3d7b047ca36933e9cee6d29ff95d375e13", kill_on_drop: false }`
[INFO] [stderr]     Checking flexbox v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `vertical` is never read
[INFO] [stdout]  --> src/flexbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct FlexBox {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 3 |     reverse: bool,
[INFO] [stdout] 4 |     vertical: bool,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `FlexBox` has derived impls for the traits `Debug` and `Clone`, 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 `vertical` is never read
[INFO] [stdout]  --> src/flexbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct FlexBox {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 3 |     reverse: bool,
[INFO] [stdout] 4 |     vertical: bool,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `FlexBox` has derived impls for the traits `Debug` and `Clone`, 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vertical` is never read
[INFO] [stdout]  --> src/flexbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct FlexBox {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 3 |     reverse: bool,
[INFO] [stdout] 4 |     vertical: bool,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `FlexBox` has derived impls for the traits `Debug` and `Clone`, 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 `vertical` is never read
[INFO] [stdout]  --> src/flexbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct FlexBox {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 3 |     reverse: bool,
[INFO] [stdout] 4 |     vertical: bool,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `FlexBox` has derived impls for the traits `Debug` and `Clone`, 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 0.21s
[INFO] running `Command { std: "docker" "inspect" "ceb93ce3f6f49aa7e9cc2a8d11b54a3d7b047ca36933e9cee6d29ff95d375e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceb93ce3f6f49aa7e9cc2a8d11b54a3d7b047ca36933e9cee6d29ff95d375e13", kill_on_drop: false }`
[INFO] [stdout] ceb93ce3f6f49aa7e9cc2a8d11b54a3d7b047ca36933e9cee6d29ff95d375e13