[INFO] fetching crate tower-etag-cache 0.1.0...
[INFO] checking tower-etag-cache-0.1.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate tower-etag-cache 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate tower-etag-cache 0.1.0 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 tower-etag-cache 0.1.0
[INFO] finished tweaking crates.io crate tower-etag-cache 0.1.0
[INFO] tweaked toml for crates.io crate tower-etag-cache 0.1.0 written to /workspace/builds/worker-4-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 59 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.1)
[INFO] [stderr]       Adding hyper v0.14.30 (latest: v1.4.1)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (latest: v0.8.0)
[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 const-lru v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ac0760009a3111bd31735321ea32ae97f196549c383186031eab39f68d80c6e6
[INFO] running `Command { std: "docker" "start" "-a" "ac0760009a3111bd31735321ea32ae97f196549c383186031eab39f68d80c6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac0760009a3111bd31735321ea32ae97f196549c383186031eab39f68d80c6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0760009a3111bd31735321ea32ae97f196549c383186031eab39f68d80c6e6", kill_on_drop: false }`
[INFO] [stdout] ac0760009a3111bd31735321ea32ae97f196549c383186031eab39f68d80c6e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8d666f87da109bbf72fb1cdcfed92543fe992533d3d0faf90c04fde98500c30f
[INFO] running `Command { std: "docker" "start" "-a" "8d666f87da109bbf72fb1cdcfed92543fe992533d3d0faf90c04fde98500c30f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tower-etag-cache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "8d666f87da109bbf72fb1cdcfed92543fe992533d3d0faf90c04fde98500c30f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d666f87da109bbf72fb1cdcfed92543fe992533d3d0faf90c04fde98500c30f", kill_on_drop: false }`
[INFO] [stdout] 8d666f87da109bbf72fb1cdcfed92543fe992533d3d0faf90c04fde98500c30f
[INFO] checking tower-etag-cache-0.1.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate tower-etag-cache 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate tower-etag-cache 0.1.0 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 tower-etag-cache 0.1.0
[INFO] finished tweaking crates.io crate tower-etag-cache 0.1.0
[INFO] tweaked toml for crates.io crate tower-etag-cache 0.1.0 written to /workspace/builds/worker-4-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 59 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.1)
[INFO] [stderr]       Adding hyper v0.14.30 (latest: v1.4.1)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (latest: v0.8.0)
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 08c7016f95a53f378d31ab21455310e44c9d22d10ca2122e3ad4cea5741da35f
[INFO] running `Command { std: "docker" "start" "-a" "08c7016f95a53f378d31ab21455310e44c9d22d10ca2122e3ad4cea5741da35f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08c7016f95a53f378d31ab21455310e44c9d22d10ca2122e3ad4cea5741da35f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08c7016f95a53f378d31ab21455310e44c9d22d10ca2122e3ad4cea5741da35f", kill_on_drop: false }`
[INFO] [stdout] 08c7016f95a53f378d31ab21455310e44c9d22d10ca2122e3ad4cea5741da35f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6dfb2dfda8a1844420b26e167a66bab51de178af6047b73e56ddfd5845286822
[INFO] running `Command { std: "docker" "start" "-a" "6dfb2dfda8a1844420b26e167a66bab51de178af6047b73e56ddfd5845286822", kill_on_drop: false }`
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tower-etag-cache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.79s
[INFO] running `Command { std: "docker" "inspect" "6dfb2dfda8a1844420b26e167a66bab51de178af6047b73e56ddfd5845286822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dfb2dfda8a1844420b26e167a66bab51de178af6047b73e56ddfd5845286822", kill_on_drop: false }`
[INFO] [stdout] 6dfb2dfda8a1844420b26e167a66bab51de178af6047b73e56ddfd5845286822