[INFO] fetching crate boa_string 0.20.0...
[INFO] checking boa_string-0.20.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate boa_string 0.20.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate boa_string 0.20.0
[INFO] finished tweaking crates.io crate boa_string 0.20.0
[INFO] tweaked toml for crates.io crate boa_string 0.20.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate boa_string 0.20.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3c0f481125bc6d8fd8c6f71f2dfc223a8e329fade6412bdabc1cfa6b8738956
[INFO] running `Command { std: "docker" "start" "-a" "d3c0f481125bc6d8fd8c6f71f2dfc223a8e329fade6412bdabc1cfa6b8738956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3c0f481125bc6d8fd8c6f71f2dfc223a8e329fade6412bdabc1cfa6b8738956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c0f481125bc6d8fd8c6f71f2dfc223a8e329fade6412bdabc1cfa6b8738956", kill_on_drop: false }`
[INFO] [stdout] d3c0f481125bc6d8fd8c6f71f2dfc223a8e329fade6412bdabc1cfa6b8738956
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4d24978653464f357b73bee6b3a9321d82f58359b829741c335ec11050b834a
[INFO] running `Command { std: "docker" "start" "-a" "d4d24978653464f357b73bee6b3a9321d82f58359b829741c335ec11050b834a", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking sptr v0.3.2
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking fast-float2 v0.2.3
[INFO] [stderr]     Checking boa_string v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/builder.rs:432:5
[INFO] [stdout]     |
[INFO] [stdout] 432 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `-W unused-attributes` implied by `-W unused`
[INFO] [stdout]     = help: to override `-W unused` add `#[allow(unused_attributes)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/builder.rs:443:5
[INFO] [stdout]     |
[INFO] [stdout] 443 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/builder.rs:472:5
[INFO] [stdout]     |
[INFO] [stdout] 472 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/builder.rs:483:5
[INFO] [stdout]     |
[INFO] [stdout] 483 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/builder.rs:491:5
[INFO] [stdout]     |
[INFO] [stdout] 491 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/builder.rs:910:5
[INFO] [stdout]     |
[INFO] [stdout] 910 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/builder.rs:432:5
[INFO] [stdout]     |
[INFO] [stdout] 432 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `-W unused-attributes` implied by `-W unused`
[INFO] [stdout]     = help: to override `-W unused` add `#[allow(unused_attributes)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/builder.rs:443:5
[INFO] [stdout]     |
[INFO] [stdout] 443 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/builder.rs:472:5
[INFO] [stdout]     |
[INFO] [stdout] 472 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/builder.rs:483:5
[INFO] [stdout]     |
[INFO] [stdout] 483 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/builder.rs:491:5
[INFO] [stdout]     |
[INFO] [stdout] 491 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]    --> src/builder.rs:910:5
[INFO] [stdout]     |
[INFO] [stdout] 910 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sptr::Strict`
[INFO] [stdout]  --> src/tagged.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sptr::Strict;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `-W unused-imports` implied by `-W unused`
[INFO] [stdout]   = help: to override `-W unused` add `#[allow(unused_imports)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sptr::Strict`
[INFO] [stdout]  --> src/tagged.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sptr::Strict;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `-W unused-imports` implied by `-W unused`
[INFO] [stdout]   = help: to override `-W unused` add `#[allow(unused_imports)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "d4d24978653464f357b73bee6b3a9321d82f58359b829741c335ec11050b834a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d24978653464f357b73bee6b3a9321d82f58359b829741c335ec11050b834a", kill_on_drop: false }`
[INFO] [stdout] d4d24978653464f357b73bee6b3a9321d82f58359b829741c335ec11050b834a