[INFO] fetching crate flexbox 0.0.1...
[INFO] testing flexbox-0.0.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate flexbox 0.0.1 into /workspace/builds/worker-3-tc1/source
[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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flexbox 0.0.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4863d355c8b4603744a719729cca2e3a0bda9e2a7055b594ffb5a0acc656060e
[INFO] running `Command { std: "docker" "start" "-a" "4863d355c8b4603744a719729cca2e3a0bda9e2a7055b594ffb5a0acc656060e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4863d355c8b4603744a719729cca2e3a0bda9e2a7055b594ffb5a0acc656060e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4863d355c8b4603744a719729cca2e3a0bda9e2a7055b594ffb5a0acc656060e", kill_on_drop: false }`
[INFO] [stdout] 4863d355c8b4603744a719729cca2e3a0bda9e2a7055b594ffb5a0acc656060e
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20285f7520f705145750d94534b83f134f742476f396046089f7692628766cdd
[INFO] running `Command { std: "docker" "start" "-a" "20285f7520f705145750d94534b83f134f742476f396046089f7692628766cdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "20285f7520f705145750d94534b83f134f742476f396046089f7692628766cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20285f7520f705145750d94534b83f134f742476f396046089f7692628766cdd", kill_on_drop: false }`
[INFO] [stdout] 20285f7520f705145750d94534b83f134f742476f396046089f7692628766cdd
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b4b871005244e06338f6d9d55a5a1930869be3c9289688d0bb6b7272aecbb97
[INFO] running `Command { std: "docker" "start" "-a" "2b4b871005244e06338f6d9d55a5a1930869be3c9289688d0bb6b7272aecbb97", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "2b4b871005244e06338f6d9d55a5a1930869be3c9289688d0bb6b7272aecbb97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b4b871005244e06338f6d9d55a5a1930869be3c9289688d0bb6b7272aecbb97", kill_on_drop: false }`
[INFO] [stdout] 2b4b871005244e06338f6d9d55a5a1930869be3c9289688d0bb6b7272aecbb97
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 912c1a21a41e6afd6a23db1c1a76633b70e6d495ef0a667a191238d8ceb5921b
[INFO] running `Command { std: "docker" "start" "-a" "912c1a21a41e6afd6a23db1c1a76633b70e6d495ef0a667a191238d8ceb5921b", kill_on_drop: false }`
[INFO] [stderr] warning: field `vertical` is never read
[INFO] [stderr]  --> src/flexbox.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct FlexBox {
[INFO] [stderr]   |            ------- field in this struct
[INFO] [stderr] 3 |     reverse: bool,
[INFO] [stderr] 4 |     vertical: bool,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `FlexBox` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `flexbox` (lib) generated 1 warning
[INFO] [stderr] warning: `flexbox` (bin "flexbox" test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `flexbox` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flexbox-b05ee79dd989be0e)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/flexbox-dd0891b9b297f390)
[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] [stderr]    Doc-tests flexbox
[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" "912c1a21a41e6afd6a23db1c1a76633b70e6d495ef0a667a191238d8ceb5921b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "912c1a21a41e6afd6a23db1c1a76633b70e6d495ef0a667a191238d8ceb5921b", kill_on_drop: false }`
[INFO] [stdout] 912c1a21a41e6afd6a23db1c1a76633b70e6d495ef0a667a191238d8ceb5921b