[INFO] fetching crate float-format 0.1.3...
[INFO] checking float-format-0.1.3 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate float-format 0.1.3 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate float-format 0.1.3 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate float-format 0.1.3
[INFO] finished tweaking crates.io crate float-format 0.1.3
[INFO] tweaked toml for crates.io crate float-format 0.1.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding fraction v0.10.0 (available: v0.15.3)
[INFO] [stderr]       Adding num v0.2.1 (available: v0.4.3)
[INFO] [stderr]       Adding num-bigint v0.2.6 (available: v0.4.6)
[INFO] [stderr]       Adding num-complex v0.2.4 (available: v0.4.6)
[INFO] [stderr]       Adding num-rational v0.2.4 (available: v0.4.2)
[INFO] [stderr]       Adding radium v0.7.0 (available: v1.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding wyz v0.5.1 (available: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea0b1e299a73f6294a20f77f4092fe656dba0a67e44f5acfa8175a07c77fd3a1
[INFO] running `Command { std: "docker" "start" "-a" "ea0b1e299a73f6294a20f77f4092fe656dba0a67e44f5acfa8175a07c77fd3a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea0b1e299a73f6294a20f77f4092fe656dba0a67e44f5acfa8175a07c77fd3a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea0b1e299a73f6294a20f77f4092fe656dba0a67e44f5acfa8175a07c77fd3a1", kill_on_drop: false }`
[INFO] [stdout] ea0b1e299a73f6294a20f77f4092fe656dba0a67e44f5acfa8175a07c77fd3a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 123a7235c2fb6ff529f001ccadf252523dbc33ed91cd5821d9f9c121e3ce5659
[INFO] running `Command { std: "docker" "start" "-a" "123a7235c2fb6ff529f001ccadf252523dbc33ed91cd5821d9f9c121e3ce5659", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking fraction v0.10.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking float-format v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.32s
[INFO] running `Command { std: "docker" "inspect" "123a7235c2fb6ff529f001ccadf252523dbc33ed91cd5821d9f9c121e3ce5659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "123a7235c2fb6ff529f001ccadf252523dbc33ed91cd5821d9f9c121e3ce5659", kill_on_drop: false }`
[INFO] [stdout] 123a7235c2fb6ff529f001ccadf252523dbc33ed91cd5821d9f9c121e3ce5659