[INFO] fetching crate vclock 0.2.1...
[INFO] testing vclock-0.2.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate vclock 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate vclock 0.2.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vclock 0.2.1
[INFO] finished tweaking crates.io crate vclock 0.2.1
[INFO] tweaked toml for crates.io crate vclock 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b890e264df1f7281374a8bfa51c4536009abc02788369d4282dbd11311d937a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0b890e264df1f7281374a8bfa51c4536009abc02788369d4282dbd11311d937a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b890e264df1f7281374a8bfa51c4536009abc02788369d4282dbd11311d937a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b890e264df1f7281374a8bfa51c4536009abc02788369d4282dbd11311d937a", kill_on_drop: false }`
[INFO] [stdout] 0b890e264df1f7281374a8bfa51c4536009abc02788369d4282dbd11311d937a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 020ed6b685e8174175e4a0b33750482d44d75999d721317094883e9fb7cc7955
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "020ed6b685e8174175e4a0b33750482d44d75999d721317094883e9fb7cc7955", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling serde_cbor v0.10.2
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling vclock v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.97s
[INFO] running `Command { std: "docker" "inspect" "020ed6b685e8174175e4a0b33750482d44d75999d721317094883e9fb7cc7955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "020ed6b685e8174175e4a0b33750482d44d75999d721317094883e9fb7cc7955", kill_on_drop: false }`
[INFO] [stdout] 020ed6b685e8174175e4a0b33750482d44d75999d721317094883e9fb7cc7955
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d841aff19f25dd82dec3624abadfde043da043ee0225c2840dbbc00ec35b8db
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6d841aff19f25dd82dec3624abadfde043da043ee0225c2840dbbc00ec35b8db", kill_on_drop: false }`
[INFO] [stderr]    Compiling vclock v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/base.rs:569:26
[INFO] [stdout]     |
[INFO] [stdout] 569 |         Err(e) => panic!(e),
[INFO] [stdout]     |                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 569 |         Err(e) => panic!("{}", e),
[INFO] [stdout]     |                          +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 569 |         Err(e) => std::panic::panic_any(e),
[INFO] [stdout]     |                   ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "6d841aff19f25dd82dec3624abadfde043da043ee0225c2840dbbc00ec35b8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d841aff19f25dd82dec3624abadfde043da043ee0225c2840dbbc00ec35b8db", kill_on_drop: false }`
[INFO] [stdout] 6d841aff19f25dd82dec3624abadfde043da043ee0225c2840dbbc00ec35b8db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fc8db10358857f26d1ed46cf5b11f4d61d2cb73fc1d9329f5b29967a2e634cd3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fc8db10358857f26d1ed46cf5b11f4d61d2cb73fc1d9329f5b29967a2e634cd3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stdout] running 9 tests
[INFO] [stderr]    --> src/base.rs:569:26
[INFO] [stderr]     |
[INFO] [stderr] 569 |         Err(e) => panic!(e),
[INFO] [stderr]     |                          ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 569 |         Err(e) => panic!("{}", e),
[INFO] [stderr]     |                          +++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 569 |         Err(e) => std::panic::panic_any(e),
[INFO] [stderr]     |                   ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: `vclock` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vclock-5303585e79e219f9)
[INFO] [stdout] test base::test_vclock_compare ... ok
[INFO] [stdout] test base::test_vclock_debug ... ok
[INFO] [stdout] test base::test_vclock_serde_cbor ... ok
[INFO] [stdout] test base::test_vclock_next ... ok
[INFO] [stdout] test base::test_vclock_fmt ... ok
[INFO] [stdout] test base::test_vclock_incr ... ok
[INFO] [stdout] test base::test_vclock_serde_json ... ok
[INFO] [stdout] test base::test_vclock_default ... ok
[INFO] [stdout] test base::test_vclock_new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vclock
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/base.rs - base::VClock<K>::get (line 82) ... ok
[INFO] [stdout] test src/base.rs - base::VClock<K>::from (line 377) ... ok
[INFO] [stdout] test src/base.rs - base::VClock (line 13) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/base.rs - base::VClock<K>::new (line 44) ... ok
[INFO] [stdout] test src/lib.rs - (line 77) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] test src/base.rs - base::VClock<K>::len (line 103) ... ok
[INFO] [stdout] test src/base.rs - base::VClock<K>::partial_cmp (line 272) ... ok
[INFO] [stdout] test src/base.rs - base::VClock<K>::merge (line 227) ... ok
[INFO] [stdout] test src/base.rs - base::VClock<K>::max (line 155) ... ok
[INFO] [stdout] test src/base.rs - base::VClock<K>::total (line 127) ... ok
[INFO] [stdout] test src/base.rs - base::VClock<K>::incr (line 62) ... ok
[INFO] [stdout] test src/lib.rs - (line 58) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc8db10358857f26d1ed46cf5b11f4d61d2cb73fc1d9329f5b29967a2e634cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc8db10358857f26d1ed46cf5b11f4d61d2cb73fc1d9329f5b29967a2e634cd3", kill_on_drop: false }`
[INFO] [stdout] fc8db10358857f26d1ed46cf5b11f4d61d2cb73fc1d9329f5b29967a2e634cd3