[INFO] fetching crate vstatus 0.0.1...
[INFO] testing vstatus-0.0.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate vstatus 0.0.1 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate vstatus 0.0.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vstatus 0.0.1
[INFO] finished tweaking crates.io crate vstatus 0.0.1
[INFO] tweaked toml for crates.io crate vstatus 0.0.1 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f11f18d6c4f19e4b3f0b817aa0cdd730050123b051fa0a64d65d7da73a6ceda6
[INFO] running `Command { std: "docker" "start" "-a" "f11f18d6c4f19e4b3f0b817aa0cdd730050123b051fa0a64d65d7da73a6ceda6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f11f18d6c4f19e4b3f0b817aa0cdd730050123b051fa0a64d65d7da73a6ceda6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f11f18d6c4f19e4b3f0b817aa0cdd730050123b051fa0a64d65d7da73a6ceda6", kill_on_drop: false }`
[INFO] [stdout] f11f18d6c4f19e4b3f0b817aa0cdd730050123b051fa0a64d65d7da73a6ceda6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f28fe9b29880e2e9863693ed028fc4fec2f8814ecd5840a1bf39a8f0dd80392
[INFO] running `Command { std: "docker" "start" "-a" "8f28fe9b29880e2e9863693ed028fc4fec2f8814ecd5840a1bf39a8f0dd80392", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling docopt v1.1.1
[INFO] [stderr]    Compiling vstatus v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `format`
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(format: &str) -> i32 {
[INFO] [stdout]   |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.69s
[INFO] running `Command { std: "docker" "inspect" "8f28fe9b29880e2e9863693ed028fc4fec2f8814ecd5840a1bf39a8f0dd80392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f28fe9b29880e2e9863693ed028fc4fec2f8814ecd5840a1bf39a8f0dd80392", kill_on_drop: false }`
[INFO] [stdout] 8f28fe9b29880e2e9863693ed028fc4fec2f8814ecd5840a1bf39a8f0dd80392
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5c2e81d5dbf1442ba257758c2f239d1ea54f2748a849c9a1f54a12f646d0700
[INFO] running `Command { std: "docker" "start" "-a" "d5c2e81d5dbf1442ba257758c2f239d1ea54f2748a849c9a1f54a12f646d0700", kill_on_drop: false }`
[INFO] [stderr]    Compiling vstatus v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `format`
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(format: &str) -> i32 {
[INFO] [stdout]   |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `format`
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(format: &str) -> i32 {
[INFO] [stdout]   |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "d5c2e81d5dbf1442ba257758c2f239d1ea54f2748a849c9a1f54a12f646d0700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c2e81d5dbf1442ba257758c2f239d1ea54f2748a849c9a1f54a12f646d0700", kill_on_drop: false }`
[INFO] [stdout] d5c2e81d5dbf1442ba257758c2f239d1ea54f2748a849c9a1f54a12f646d0700
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0498e2e93be83e830c3b9783e15bbb17fb5222ba8877bb45d81844e9c92568d
[INFO] running `Command { std: "docker" "start" "-a" "b0498e2e93be83e830c3b9783e15bbb17fb5222ba8877bb45d81844e9c92568d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `format`
[INFO] [stderr]  --> src/lib.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run(format: &str) -> i32 {
[INFO] [stderr]   |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_format`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `vstatus` (lib) generated 1 warning
[INFO] [stderr] warning: `vstatus` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vstatus-2bd61ae0fd0b8b1a)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vstatus-376e1dec45b30b5f)
[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] [stderr]    Doc-tests vstatus
[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" "b0498e2e93be83e830c3b9783e15bbb17fb5222ba8877bb45d81844e9c92568d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0498e2e93be83e830c3b9783e15bbb17fb5222ba8877bb45d81844e9c92568d", kill_on_drop: false }`
[INFO] [stdout] b0498e2e93be83e830c3b9783e15bbb17fb5222ba8877bb45d81844e9c92568d