[INFO] fetching crate leslie_lamport 0.3.1...
[INFO] checking leslie_lamport-0.3.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate leslie_lamport 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate leslie_lamport 0.3.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate leslie_lamport 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate leslie_lamport 0.3.1
[INFO] tweaked toml for crates.io crate leslie_lamport 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate leslie_lamport 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbb0d28703ae3e31f8d774ed81bef5cbf14957829d8c09219113ad9191966b03
[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" "fbb0d28703ae3e31f8d774ed81bef5cbf14957829d8c09219113ad9191966b03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbb0d28703ae3e31f8d774ed81bef5cbf14957829d8c09219113ad9191966b03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbb0d28703ae3e31f8d774ed81bef5cbf14957829d8c09219113ad9191966b03", kill_on_drop: false }`
[INFO] [stdout] fbb0d28703ae3e31f8d774ed81bef5cbf14957829d8c09219113ad9191966b03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6892b0eb54c92feb5625026230ee9617e55d3a94c133f68e52e642a0e03228de
[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" "6892b0eb54c92feb5625026230ee9617e55d3a94c133f68e52e642a0e03228de", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking serde_yaml v0.8.15
[INFO] [stderr]     Checking leslie_lamport v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/lib.rs:213:82
[INFO] [stdout]     |
[INFO] [stdout] 213 |             panic!("Invalid Parameter for `d`. `d` should be a member of the set {32,48,64,128}")
[INFO] [stdout]     |                                                                                  ^            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 213 |             panic!("{}", "Invalid Parameter for `d`. `d` should be a member of the set {32,48,64,128}")
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/lib.rs:213:82
[INFO] [stdout]     |
[INFO] [stdout] 213 |             panic!("Invalid Parameter for `d`. `d` should be a member of the set {32,48,64,128}")
[INFO] [stdout]     |                                                                                  ^            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 213 |             panic!("{}", "Invalid Parameter for `d`. `d` should be a member of the set {32,48,64,128}")
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.53s
[INFO] running `Command { std: "docker" "inspect" "6892b0eb54c92feb5625026230ee9617e55d3a94c133f68e52e642a0e03228de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6892b0eb54c92feb5625026230ee9617e55d3a94c133f68e52e642a0e03228de", kill_on_drop: false }`
[INFO] [stdout] 6892b0eb54c92feb5625026230ee9617e55d3a94c133f68e52e642a0e03228de