[INFO] fetching crate dvm 1.4.6...
[INFO] testing dvm-1.4.6 against 1.55.0 for beta-1.56-1
[INFO] extracting crate dvm 1.4.6 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate dvm 1.4.6 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-104/source/.cargo/config
[INFO] started tweaking crates.io crate dvm 1.4.6
[INFO] finished tweaking crates.io crate dvm 1.4.6
[INFO] tweaked toml for crates.io crate dvm 1.4.6 written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate crates.io crate dvm 1.4.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 output_vt100 v0.1.2
[INFO] [stderr]   Downloaded rand_core v0.6.1
[INFO] [stderr]   Downloaded redox_syscall v0.2.4
[INFO] [stderr]   Downloaded openssl-sys v0.9.60
[INFO] [stderr]   Downloaded openssl v0.10.32
[INFO] [stderr]   Downloaded anyhow v1.0.38
[INFO] [stderr]   Downloaded tinyget v1.0.0
[INFO] [stderr]   Downloaded which v4.0.2
[INFO] [stderr]   Downloaded ctor v0.1.18
[INFO] [stderr]   Downloaded json_minimal v0.1.3
[INFO] [stderr]   Downloaded libc v0.2.84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c607d9c381cb7e01d335161015057f31586eb0613bca8d5032cdbce3d945fd2
[INFO] running `Command { std: "docker" "start" "-a" "4c607d9c381cb7e01d335161015057f31586eb0613bca8d5032cdbce3d945fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c607d9c381cb7e01d335161015057f31586eb0613bca8d5032cdbce3d945fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c607d9c381cb7e01d335161015057f31586eb0613bca8d5032cdbce3d945fd2", kill_on_drop: false }`
[INFO] [stdout] 4c607d9c381cb7e01d335161015057f31586eb0613bca8d5032cdbce3d945fd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88a16ec7dc91f5465ae80f84aef4be1d44d2ebf8e20b6df6235a6c28f7b40e7a
[INFO] running `Command { std: "docker" "start" "-a" "88a16ec7dc91f5465ae80f84aef4be1d44d2ebf8e20b6df6235a6c28f7b40e7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling json_minimal v0.1.3
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling tinyget v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]    Compiling dvm v1.4.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.70s
[INFO] running `Command { std: "docker" "inspect" "88a16ec7dc91f5465ae80f84aef4be1d44d2ebf8e20b6df6235a6c28f7b40e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88a16ec7dc91f5465ae80f84aef4be1d44d2ebf8e20b6df6235a6c28f7b40e7a", kill_on_drop: false }`
[INFO] [stdout] 88a16ec7dc91f5465ae80f84aef4be1d44d2ebf8e20b6df6235a6c28f7b40e7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 256b6443d458839a65562eb45632cb38cf6da16f5b2d2c7f4b96d3bdf9e35af5
[INFO] running `Command { std: "docker" "start" "-a" "256b6443d458839a65562eb45632cb38cf6da16f5b2d2c7f4b96d3bdf9e35af5", kill_on_drop: false }`
[INFO] [stderr]    Compiling dvm v1.4.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "256b6443d458839a65562eb45632cb38cf6da16f5b2d2c7f4b96d3bdf9e35af5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "256b6443d458839a65562eb45632cb38cf6da16f5b2d2c7f4b96d3bdf9e35af5", kill_on_drop: false }`
[INFO] [stdout] 256b6443d458839a65562eb45632cb38cf6da16f5b2d2c7f4b96d3bdf9e35af5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ddac8ff8eaf310a28d5f36c94499e3b64da563e33ca02c87cc3e97e3efbae3e9
[INFO] running `Command { std: "docker" "start" "-a" "ddac8ff8eaf310a28d5f36c94499e3b64da563e33ca02c87cc3e97e3efbae3e9", 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]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dvm-442c397bf49a94d8)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test commands::install::test_compose_url_to_exec ... ok
[INFO] [stdout] test commands::install::test_compose_url_to_exec_lte_1_7 ... ok
[INFO] [stdout] dvm 1.4.6dvm 1.4.6test flags::tests::version ... ok
[INFO] [stdout] test flags::tests::install ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ddac8ff8eaf310a28d5f36c94499e3b64da563e33ca02c87cc3e97e3efbae3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddac8ff8eaf310a28d5f36c94499e3b64da563e33ca02c87cc3e97e3efbae3e9", kill_on_drop: false }`
[INFO] [stdout] ddac8ff8eaf310a28d5f36c94499e3b64da563e33ca02c87cc3e97e3efbae3e9