[INFO] fetching crate tokio-serde-cbor 0.6.0...
[INFO] checking tokio-serde-cbor-0.6.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate tokio-serde-cbor 0.6.0 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate tokio-serde-cbor 0.6.0 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-serde-cbor 0.6.0
[INFO] finished tweaking crates.io crate tokio-serde-cbor 0.6.0
[INFO] tweaked toml for crates.io crate tokio-serde-cbor 0.6.0 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate crates.io crate tokio-serde-cbor 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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 tokio-stream v0.1.0
[INFO] [stderr]   Downloaded tokio-util v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55ec4a70145835e2cd77e863ca14f3773a1cefe8bfc0a6007576690e48d18c29
[INFO] running `Command { std: "docker" "start" "-a" "55ec4a70145835e2cd77e863ca14f3773a1cefe8bfc0a6007576690e48d18c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55ec4a70145835e2cd77e863ca14f3773a1cefe8bfc0a6007576690e48d18c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ec4a70145835e2cd77e863ca14f3773a1cefe8bfc0a6007576690e48d18c29", kill_on_drop: false }`
[INFO] [stdout] 55ec4a70145835e2cd77e863ca14f3773a1cefe8bfc0a6007576690e48d18c29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ef8b97594dee399bb3d0654a0bb6f6b6e1d8614c84cae9bc2a92735798908cc
[INFO] running `Command { std: "docker" "start" "-a" "3ef8b97594dee399bb3d0654a0bb6f6b6e1d8614c84cae9bc2a92735798908cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking bytes v1.0.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking tokio-stream v0.1.0
[INFO] [stderr]     Checking tokio-util v0.6.0
[INFO] [stderr]     Checking tokio-serde-cbor v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.97s
[INFO] running `Command { std: "docker" "inspect" "3ef8b97594dee399bb3d0654a0bb6f6b6e1d8614c84cae9bc2a92735798908cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ef8b97594dee399bb3d0654a0bb6f6b6e1d8614c84cae9bc2a92735798908cc", kill_on_drop: false }`
[INFO] [stdout] 3ef8b97594dee399bb3d0654a0bb6f6b6e1d8614c84cae9bc2a92735798908cc