[INFO] cloning repository https://github.com/erikjohnston/synstatehash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erikjohnston/synstatehash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferikjohnston%2Fsynstatehash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferikjohnston%2Fsynstatehash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0942f94a3be0e7d84fd6a84b71bd7714b74597ba
[INFO] checking erikjohnston/synstatehash against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferikjohnston%2Fsynstatehash" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erikjohnston/synstatehash on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/erikjohnston/synstatehash
[INFO] finished tweaking git repo https://github.com/erikjohnston/synstatehash
[INFO] tweaked toml for git repo https://github.com/erikjohnston/synstatehash written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/erikjohnston/synstatehash already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrayvec v0.4.12
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded blake2-rfc v0.2.18
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded unix_socket v0.5.0
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded hex v0.2.0
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded syn v1.0.54
[INFO] [stderr]   Downloaded strsim v0.9.3
[INFO] [stderr]   Downloaded aho-corasick v0.7.15
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] [stderr]   Downloaded regex v1.4.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.21
[INFO] [stderr]   Downloaded serde_derive v1.0.118
[INFO] [stderr]   Downloaded nodrop v0.1.14
[INFO] [stderr]   Downloaded serde v1.0.118
[INFO] [stderr]   Downloaded bufstream v0.1.4
[INFO] [stderr]   Downloaded docopt v1.1.0
[INFO] [stderr]   Downloaded phf_shared v0.7.15
[INFO] [stderr]   Downloaded phf v0.7.15
[INFO] [stderr]   Downloaded postgres v0.11.12
[INFO] [stderr]   Downloaded postgres_array v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95defb27bf2a483b9f31f741f89afc2b9b46f9d0bbadec02c50af5f31924f581
[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" "95defb27bf2a483b9f31f741f89afc2b9b46f9d0bbadec02c50af5f31924f581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95defb27bf2a483b9f31f741f89afc2b9b46f9d0bbadec02c50af5f31924f581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95defb27bf2a483b9f31f741f89afc2b9b46f9d0bbadec02c50af5f31924f581", kill_on_drop: false }`
[INFO] [stdout] 95defb27bf2a483b9f31f741f89afc2b9b46f9d0bbadec02c50af5f31924f581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dc3abadec5a1800f5320fe9094870e1aebd66a9b696f12eef22ed1c42c4419c
[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" "3dc3abadec5a1800f5320fe9094870e1aebd66a9b696f12eef22ed1c42c4419c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking phf_shared v0.7.15
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking phf v0.7.15
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking postgres v0.11.12
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking postgres_array v0.6.2
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking synstatehash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `decode` found for struct `Docopt` in the current scope
[INFO] [stdout]   --> src/main.rs:46:45
[INFO] [stdout]    |
[INFO] [stdout] 46 | ...                   .and_then(|d| d.decode())
[INFO] [stdout]    |                                       ^^^^^^ method not found in `Docopt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `decode` found for struct `Docopt` in the current scope
[INFO] [stdout]   --> src/main.rs:46:45
[INFO] [stdout]    |
[INFO] [stdout] 46 | ...                   .and_then(|d| d.decode())
[INFO] [stdout]    |                                       ^^^^^^ method not found in `Docopt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `synstatehash`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3dc3abadec5a1800f5320fe9094870e1aebd66a9b696f12eef22ed1c42c4419c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dc3abadec5a1800f5320fe9094870e1aebd66a9b696f12eef22ed1c42c4419c", kill_on_drop: false }`
[INFO] [stdout] 3dc3abadec5a1800f5320fe9094870e1aebd66a9b696f12eef22ed1c42c4419c