[INFO] fetching crate blocking 1.6.1...
[INFO] checking blocking-1.6.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate blocking 1.6.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate blocking 1.6.1 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 blocking 1.6.1
[INFO] finished tweaking crates.io crate blocking 1.6.1
[INFO] tweaked toml for crates.io crate blocking 1.6.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate blocking 1.6.1 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-channel v2.0.0
[INFO] [stderr]   Downloaded futures-core v0.3.29
[INFO] [stderr]   Downloaded pin-project-lite v0.2.13
[INFO] [stderr]   Downloaded waker-fn v1.1.1
[INFO] [stderr]   Downloaded event-listener-strategy v0.3.0
[INFO] [stderr]   Downloaded async-task v4.5.0
[INFO] [stderr]   Downloaded concurrent-queue v2.3.0
[INFO] [stderr]   Downloaded futures-lite v2.0.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.16
[INFO] [stderr]   Downloaded event-listener v3.0.1
[INFO] [stderr]   Downloaded fastrand v2.0.1
[INFO] [stderr]   Downloaded futures-io v0.3.29
[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] 821ced98143383c3814f6e6830fdb96584edbf41b30a8f9800b8356f51b81e7b
[INFO] running `Command { std: "docker" "start" "-a" "821ced98143383c3814f6e6830fdb96584edbf41b30a8f9800b8356f51b81e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "821ced98143383c3814f6e6830fdb96584edbf41b30a8f9800b8356f51b81e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "821ced98143383c3814f6e6830fdb96584edbf41b30a8f9800b8356f51b81e7b", kill_on_drop: false }`
[INFO] [stdout] 821ced98143383c3814f6e6830fdb96584edbf41b30a8f9800b8356f51b81e7b
[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] bdb86f62904803ec4c2faa3716680f9c7122bb65c4954d00f3716af671a37fc1
[INFO] running `Command { std: "docker" "start" "-a" "bdb86f62904803ec4c2faa3716680f9c7122bb65c4954d00f3716af671a37fc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking async-task v4.5.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking concurrent-queue v2.3.0
[INFO] [stderr]     Checking futures-lite v2.0.0
[INFO] [stderr]     Checking event-listener v3.0.1
[INFO] [stderr]     Checking event-listener-strategy v0.3.0
[INFO] [stderr]     Checking async-channel v2.0.0
[INFO] [stderr]     Checking blocking v1.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "bdb86f62904803ec4c2faa3716680f9c7122bb65c4954d00f3716af671a37fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdb86f62904803ec4c2faa3716680f9c7122bb65c4954d00f3716af671a37fc1", kill_on_drop: false }`
[INFO] [stdout] bdb86f62904803ec4c2faa3716680f9c7122bb65c4954d00f3716af671a37fc1
[INFO] checking blocking-1.6.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate blocking 1.6.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate blocking 1.6.1 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 blocking 1.6.1
[INFO] finished tweaking crates.io crate blocking 1.6.1
[INFO] tweaked toml for crates.io crate blocking 1.6.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate blocking 1.6.1 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] 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] 14d3b87dc02629f3a76cd092c1d528b0ee23a2aeea0453ce66a0179617defb61
[INFO] running `Command { std: "docker" "start" "-a" "14d3b87dc02629f3a76cd092c1d528b0ee23a2aeea0453ce66a0179617defb61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14d3b87dc02629f3a76cd092c1d528b0ee23a2aeea0453ce66a0179617defb61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d3b87dc02629f3a76cd092c1d528b0ee23a2aeea0453ce66a0179617defb61", kill_on_drop: false }`
[INFO] [stdout] 14d3b87dc02629f3a76cd092c1d528b0ee23a2aeea0453ce66a0179617defb61
[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] 40d7302d158f9a40c564e3dddadca2a204628f8c07aed832f7daa9f846733e36
[INFO] running `Command { std: "docker" "start" "-a" "40d7302d158f9a40c564e3dddadca2a204628f8c07aed832f7daa9f846733e36", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking async-task v4.5.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking concurrent-queue v2.3.0
[INFO] [stderr]     Checking event-listener v3.0.1
[INFO] [stderr]     Checking futures-lite v2.0.0
[INFO] [stderr]     Checking event-listener-strategy v0.3.0
[INFO] [stderr]     Checking async-channel v2.0.0
[INFO] [stderr]     Checking blocking v1.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "40d7302d158f9a40c564e3dddadca2a204628f8c07aed832f7daa9f846733e36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40d7302d158f9a40c564e3dddadca2a204628f8c07aed832f7daa9f846733e36", kill_on_drop: false }`
[INFO] [stdout] 40d7302d158f9a40c564e3dddadca2a204628f8c07aed832f7daa9f846733e36