[INFO] fetching crate tarpc-json-transport 0.1.0...
[INFO] testing tarpc-json-transport-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate tarpc-json-transport 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tarpc-json-transport 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tarpc-json-transport 0.1.0
[INFO] finished tweaking crates.io crate tarpc-json-transport 0.1.0
[INFO] tweaked toml for crates.io crate tarpc-json-transport 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-serde v0.3.0
[INFO] [stderr]   Downloaded futures-test-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded tokio-serde-json v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c1303eedc991b11103716725ed233f1184bf545e82192642764ff494b0b10cd
[INFO] running `Command { std: "docker" "start" "-a" "9c1303eedc991b11103716725ed233f1184bf545e82192642764ff494b0b10cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c1303eedc991b11103716725ed233f1184bf545e82192642764ff494b0b10cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c1303eedc991b11103716725ed233f1184bf545e82192642764ff494b0b10cd", kill_on_drop: false }`
[INFO] [stdout] 9c1303eedc991b11103716725ed233f1184bf545e82192642764ff494b0b10cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7b181fd70b0c589a1104c74b0a02380bcd80eb7fb87123260bd2313ac3aa1ba
[INFO] running `Command { std: "docker" "start" "-a" "a7b181fd70b0c589a1104c74b0a02380bcd80eb7fb87123260bd2313ac3aa1ba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-serde v0.3.0
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling tokio-serde-json v0.2.0
[INFO] [stderr]    Compiling tarpc-json-transport v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.15s
[INFO] running `Command { std: "docker" "inspect" "a7b181fd70b0c589a1104c74b0a02380bcd80eb7fb87123260bd2313ac3aa1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7b181fd70b0c589a1104c74b0a02380bcd80eb7fb87123260bd2313ac3aa1ba", kill_on_drop: false }`
[INFO] [stdout] a7b181fd70b0c589a1104c74b0a02380bcd80eb7fb87123260bd2313ac3aa1ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9185afb26b27990bdecc9747a4ab779e2327834f5a30654ce13da20b52492c4
[INFO] running `Command { std: "docker" "start" "-a" "a9185afb26b27990bdecc9747a4ab779e2327834f5a30654ce13da20b52492c4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling futures-test-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling tarpc-json-transport v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.96s
[INFO] running `Command { std: "docker" "inspect" "a9185afb26b27990bdecc9747a4ab779e2327834f5a30654ce13da20b52492c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9185afb26b27990bdecc9747a4ab779e2327834f5a30654ce13da20b52492c4", kill_on_drop: false }`
[INFO] [stdout] a9185afb26b27990bdecc9747a4ab779e2327834f5a30654ce13da20b52492c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f232e397f82247ae5cc5ab3c56b192a25ef7d745e527c6fc01eb03ecf22e8526
[INFO] running `Command { std: "docker" "start" "-a" "f232e397f82247ae5cc5ab3c56b192a25ef7d745e527c6fc01eb03ecf22e8526", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tarpc_json_transport-6638bfdb53c31d41)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests tarpc-json-transport
[INFO] [stdout] test tests::test_sink ... ok
[INFO] [stdout] test tests::test_stream ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f232e397f82247ae5cc5ab3c56b192a25ef7d745e527c6fc01eb03ecf22e8526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f232e397f82247ae5cc5ab3c56b192a25ef7d745e527c6fc01eb03ecf22e8526", kill_on_drop: false }`
[INFO] [stdout] f232e397f82247ae5cc5ab3c56b192a25ef7d745e527c6fc01eb03ecf22e8526