[INFO] fetching crate stem-cell 0.0.2...
[INFO] testing stem-cell-0.0.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate stem-cell 0.0.2 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate stem-cell 0.0.2 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 stem-cell 0.0.2
[INFO] finished tweaking crates.io crate stem-cell 0.0.2
[INFO] tweaked toml for crates.io crate stem-cell 0.0.2 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate crates.io crate stem-cell 0.0.2 already has a lockfile, it will not be regenerated
[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 unicode-width v0.1.8
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded hermit-abi v0.1.18
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded libc v0.2.97
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] ddcf2e369afe638b960751ab4f445b7b6a2991287ff96aede0f0145824505d54
[INFO] running `Command { std: "docker" "start" "-a" "ddcf2e369afe638b960751ab4f445b7b6a2991287ff96aede0f0145824505d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddcf2e369afe638b960751ab4f445b7b6a2991287ff96aede0f0145824505d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddcf2e369afe638b960751ab4f445b7b6a2991287ff96aede0f0145824505d54", kill_on_drop: false }`
[INFO] [stdout] ddcf2e369afe638b960751ab4f445b7b6a2991287ff96aede0f0145824505d54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] d5d7a8bcb2acc5398941c4876edc9ae5c15036030ec3ef706e9153a40ea97e8f
[INFO] running `Command { std: "docker" "start" "-a" "d5d7a8bcb2acc5398941c4876edc9ae5c15036030ec3ef706e9153a40ea97e8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling stem-cell v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.61s
[INFO] running `Command { std: "docker" "inspect" "d5d7a8bcb2acc5398941c4876edc9ae5c15036030ec3ef706e9153a40ea97e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d7a8bcb2acc5398941c4876edc9ae5c15036030ec3ef706e9153a40ea97e8f", kill_on_drop: false }`
[INFO] [stdout] d5d7a8bcb2acc5398941c4876edc9ae5c15036030ec3ef706e9153a40ea97e8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 4a989269643ce10ef63022fe23e97bb234277962fb2427fea2cabd97a4b59a07
[INFO] running `Command { std: "docker" "start" "-a" "4a989269643ce10ef63022fe23e97bb234277962fb2427fea2cabd97a4b59a07", kill_on_drop: false }`
[INFO] [stderr]    Compiling stem-cell v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "4a989269643ce10ef63022fe23e97bb234277962fb2427fea2cabd97a4b59a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a989269643ce10ef63022fe23e97bb234277962fb2427fea2cabd97a4b59a07", kill_on_drop: false }`
[INFO] [stdout] 4a989269643ce10ef63022fe23e97bb234277962fb2427fea2cabd97a4b59a07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 867412c235022d09317df0dd0aa27368d67f074c223ad31d34ec8dd275cfc5c4
[INFO] running `Command { std: "docker" "start" "-a" "867412c235022d09317df0dd0aa27368d67f074c223ad31d34ec8dd275cfc5c4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stem_cell-d10a98afd98d8e4a)
[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" "867412c235022d09317df0dd0aa27368d67f074c223ad31d34ec8dd275cfc5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "867412c235022d09317df0dd0aa27368d67f074c223ad31d34ec8dd275cfc5c4", kill_on_drop: false }`
[INFO] [stdout] 867412c235022d09317df0dd0aa27368d67f074c223ad31d34ec8dd275cfc5c4