[INFO] fetching crate preftree 0.1.0...
[INFO] checking preftree-0.1.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate preftree 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate preftree 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 preftree 0.1.0
[INFO] finished tweaking crates.io crate preftree 0.1.0
[INFO] tweaked toml for crates.io crate preftree 0.1.0 written to /workspace/builds/worker-3-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 2 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] 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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4618c1b8384ba6f1158f870ff34e4e8e03633ed3c5490cdb7f2c57663d18761c
[INFO] running `Command { std: "docker" "start" "-a" "4618c1b8384ba6f1158f870ff34e4e8e03633ed3c5490cdb7f2c57663d18761c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4618c1b8384ba6f1158f870ff34e4e8e03633ed3c5490cdb7f2c57663d18761c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4618c1b8384ba6f1158f870ff34e4e8e03633ed3c5490cdb7f2c57663d18761c", kill_on_drop: false }`
[INFO] [stdout] 4618c1b8384ba6f1158f870ff34e4e8e03633ed3c5490cdb7f2c57663d18761c
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be3b1274a60cbd1345d5c6ca23abc02515d6d2fa431ec9d1f58af106d629f222
[INFO] running `Command { std: "docker" "start" "-a" "be3b1274a60cbd1345d5c6ca23abc02515d6d2fa431ec9d1f58af106d629f222", kill_on_drop: false }`
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking preftree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "be3b1274a60cbd1345d5c6ca23abc02515d6d2fa431ec9d1f58af106d629f222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3b1274a60cbd1345d5c6ca23abc02515d6d2fa431ec9d1f58af106d629f222", kill_on_drop: false }`
[INFO] [stdout] be3b1274a60cbd1345d5c6ca23abc02515d6d2fa431ec9d1f58af106d629f222
[INFO] checking preftree-0.1.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate preftree 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate preftree 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 preftree 0.1.0
[INFO] finished tweaking crates.io crate preftree 0.1.0
[INFO] tweaked toml for crates.io crate preftree 0.1.0 written to /workspace/builds/worker-3-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 2 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c557706718840cc36923fdf6f595b14ec4f8cbc61ada90d92fd3e5b64bdc6b70
[INFO] running `Command { std: "docker" "start" "-a" "c557706718840cc36923fdf6f595b14ec4f8cbc61ada90d92fd3e5b64bdc6b70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c557706718840cc36923fdf6f595b14ec4f8cbc61ada90d92fd3e5b64bdc6b70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c557706718840cc36923fdf6f595b14ec4f8cbc61ada90d92fd3e5b64bdc6b70", kill_on_drop: false }`
[INFO] [stdout] c557706718840cc36923fdf6f595b14ec4f8cbc61ada90d92fd3e5b64bdc6b70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c8c321502fdd582a182b2b575ace4d923ad800ffcee8e97f0ac912675b61d009
[INFO] running `Command { std: "docker" "start" "-a" "c8c321502fdd582a182b2b575ace4d923ad800ffcee8e97f0ac912675b61d009", kill_on_drop: false }`
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking preftree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "c8c321502fdd582a182b2b575ace4d923ad800ffcee8e97f0ac912675b61d009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c321502fdd582a182b2b575ace4d923ad800ffcee8e97f0ac912675b61d009", kill_on_drop: false }`
[INFO] [stdout] c8c321502fdd582a182b2b575ace4d923ad800ffcee8e97f0ac912675b61d009