[INFO] fetching crate stak-primitive 0.5.10...
[INFO] checking stak-primitive-0.5.10 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate stak-primitive 0.5.10 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate stak-primitive 0.5.10 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 stak-primitive 0.5.10
[INFO] finished tweaking crates.io crate stak-primitive 0.5.10
[INFO] tweaked toml for crates.io crate stak-primitive 0.5.10 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stak-device v0.2.52
[INFO] [stderr]   Downloaded stak-file v0.4.10
[INFO] [stderr]   Downloaded stak-process-context v0.2.10
[INFO] [stderr]   Downloaded cfg-exif v0.3.0
[INFO] [stderr]   Downloaded stak-vm v0.5.10
[INFO] [stderr]   Downloaded stak-code v0.2.51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1c095c9807ab8acc931c48daf06dffa0e8b721c73b965d3c1c5bab2712910837
[INFO] running `Command { std: "docker" "start" "-a" "1c095c9807ab8acc931c48daf06dffa0e8b721c73b965d3c1c5bab2712910837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c095c9807ab8acc931c48daf06dffa0e8b721c73b965d3c1c5bab2712910837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c095c9807ab8acc931c48daf06dffa0e8b721c73b965d3c1c5bab2712910837", kill_on_drop: false }`
[INFO] [stdout] 1c095c9807ab8acc931c48daf06dffa0e8b721c73b965d3c1c5bab2712910837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ebdca03795c77b7b735a00aca6075bc855aa2ff2408695fe0312a4655ecb60d0
[INFO] running `Command { std: "docker" "start" "-a" "ebdca03795c77b7b735a00aca6075bc855aa2ff2408695fe0312a4655ecb60d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking cfg-exif v0.3.0
[INFO] [stderr]     Checking stak-code v0.2.51
[INFO] [stderr]     Checking stak-file v0.4.10
[INFO] [stderr]     Checking stak-device v0.2.52
[INFO] [stderr]     Checking stak-process-context v0.2.10
[INFO] [stderr]     Checking stak-vm v0.5.10
[INFO] [stderr]     Checking stak-primitive v0.5.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "ebdca03795c77b7b735a00aca6075bc855aa2ff2408695fe0312a4655ecb60d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebdca03795c77b7b735a00aca6075bc855aa2ff2408695fe0312a4655ecb60d0", kill_on_drop: false }`
[INFO] [stdout] ebdca03795c77b7b735a00aca6075bc855aa2ff2408695fe0312a4655ecb60d0
[INFO] checking stak-primitive-0.5.10 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate stak-primitive 0.5.10 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate stak-primitive 0.5.10 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 stak-primitive 0.5.10
[INFO] finished tweaking crates.io crate stak-primitive 0.5.10
[INFO] tweaked toml for crates.io crate stak-primitive 0.5.10 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 540a7b3bacc7ea64f28dd2d99591192f974fcc9d6e6d2c551a0c7be25a67fd38
[INFO] running `Command { std: "docker" "start" "-a" "540a7b3bacc7ea64f28dd2d99591192f974fcc9d6e6d2c551a0c7be25a67fd38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "540a7b3bacc7ea64f28dd2d99591192f974fcc9d6e6d2c551a0c7be25a67fd38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "540a7b3bacc7ea64f28dd2d99591192f974fcc9d6e6d2c551a0c7be25a67fd38", kill_on_drop: false }`
[INFO] [stdout] 540a7b3bacc7ea64f28dd2d99591192f974fcc9d6e6d2c551a0c7be25a67fd38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b96425c100e395c55454c5e3fa441e306c0b09dd72f87c135160ca621abdcfec
[INFO] running `Command { std: "docker" "start" "-a" "b96425c100e395c55454c5e3fa441e306c0b09dd72f87c135160ca621abdcfec", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking stak-code v0.2.51
[INFO] [stderr]     Checking cfg-exif v0.3.0
[INFO] [stderr]     Checking stak-device v0.2.52
[INFO] [stderr]     Checking stak-file v0.4.10
[INFO] [stderr]     Checking stak-process-context v0.2.10
[INFO] [stderr]     Checking stak-vm v0.5.10
[INFO] [stderr]     Checking stak-primitive v0.5.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "b96425c100e395c55454c5e3fa441e306c0b09dd72f87c135160ca621abdcfec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b96425c100e395c55454c5e3fa441e306c0b09dd72f87c135160ca621abdcfec", kill_on_drop: false }`
[INFO] [stdout] b96425c100e395c55454c5e3fa441e306c0b09dd72f87c135160ca621abdcfec