[INFO] fetching crate tc-btree 0.1.5...
[INFO] checking tc-btree-0.1.5 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate tc-btree 0.1.5 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate tc-btree 0.1.5 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tc-btree 0.1.5
[INFO] finished tweaking crates.io crate tc-btree 0.1.5
[INFO] tweaked toml for crates.io crate tc-btree 0.1.5 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a887d24dce3b412780b6278d6465f7b2a66d0fe081e91860b0e74b8d94648cee
[INFO] running `Command { std: "docker" "start" "-a" "a887d24dce3b412780b6278d6465f7b2a66d0fe081e91860b0e74b8d94648cee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a887d24dce3b412780b6278d6465f7b2a66d0fe081e91860b0e74b8d94648cee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a887d24dce3b412780b6278d6465f7b2a66d0fe081e91860b0e74b8d94648cee", kill_on_drop: false }`
[INFO] [stdout] a887d24dce3b412780b6278d6465f7b2a66d0fe081e91860b0e74b8d94648cee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3716e89d41e4a898732f22fc8440ce129896a9c86c4866f9dd7afb14b869b73
[INFO] running `Command { std: "docker" "start" "-a" "e3716e89d41e4a898732f22fc8440ce129896a9c86c4866f9dd7afb14b869b73", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling tokio v1.8.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking futures-channel v0.3.15
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking futures-util v0.3.15
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking uplock v0.1.2
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking destream v0.5.0
[INFO] [stderr]     Checking tc-error v0.2.3
[INFO] [stderr]     Checking number-general v0.3.9
[INFO] [stderr]     Checking tbon v0.3.5
[INFO] [stderr]     Checking tcgeneric v0.1.9
[INFO] [stderr]     Checking tc-value v0.1.11
[INFO] [stderr]     Checking tc-transact v0.6.3
[INFO] [stderr]     Checking tc-btree v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.37s
[INFO] running `Command { std: "docker" "inspect" "e3716e89d41e4a898732f22fc8440ce129896a9c86c4866f9dd7afb14b869b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3716e89d41e4a898732f22fc8440ce129896a9c86c4866f9dd7afb14b869b73", kill_on_drop: false }`
[INFO] [stdout] e3716e89d41e4a898732f22fc8440ce129896a9c86c4866f9dd7afb14b869b73