[INFO] cloning repository https://github.com/leplatrem/pyext-canonicaljson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leplatrem/pyext-canonicaljson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleplatrem%2Fpyext-canonicaljson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleplatrem%2Fpyext-canonicaljson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f972cae893d9def0a061f076ec19c3248758825e
[INFO] checking leplatrem/pyext-canonicaljson against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleplatrem%2Fpyext-canonicaljson" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leplatrem/pyext-canonicaljson on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leplatrem/pyext-canonicaljson
[INFO] finished tweaking git repo https://github.com/leplatrem/pyext-canonicaljson
[INFO] tweaked toml for git repo https://github.com/leplatrem/pyext-canonicaljson written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/leplatrem/pyext-canonicaljson already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/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[INFO] the lockfile is outdated, regenerating it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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81842c0607e55cc62959c1dfeba935a1b4ed9e73d2e0b21f86ffcdd7b4ddc3ca
[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" "81842c0607e55cc62959c1dfeba935a1b4ed9e73d2e0b21f86ffcdd7b4ddc3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81842c0607e55cc62959c1dfeba935a1b4ed9e73d2e0b21f86ffcdd7b4ddc3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81842c0607e55cc62959c1dfeba935a1b4ed9e73d2e0b21f86ffcdd7b4ddc3ca", kill_on_drop: false }`
[INFO] [stdout] 81842c0607e55cc62959c1dfeba935a1b4ed9e73d2e0b21f86ffcdd7b4ddc3ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b50c927cdf4ec1f6ac88bb06d439be8faed60f8f2eb642dfeb0ec4cff69067a3
[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" "b50c927cdf4ec1f6ac88bb06d439be8faed60f8f2eb642dfeb0ec4cff69067a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling pyo3 v0.11.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling pyo3-derive-backend v0.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling ctor v0.1.17
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling pyo3cls v0.11.1
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]     Checking inventory v0.1.10
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking canonical_json v0.3.0
[INFO] [stderr]     Checking canonicaljson-rs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:145:67
[INFO] [stdout]     |
[INFO] [stdout] 145 |     return_cast!(PyList, |x: &PyList| Ok(serde_json::Value::Array(r#try!(x
[INFO] [stdout]     |                                                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:150:69
[INFO] [stdout]     |
[INFO] [stdout] 150 |     return_cast!(PyTuple, |x: &PyTuple| Ok(serde_json::Value::Array(r#try!(
[INFO] [stdout]     |                                                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:145:67
[INFO] [stdout]     |
[INFO] [stdout] 145 |     return_cast!(PyList, |x: &PyList| Ok(serde_json::Value::Array(r#try!(x
[INFO] [stdout]     |                                                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `r#try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:150:69
[INFO] [stdout]     |
[INFO] [stdout] 150 |     return_cast!(PyTuple, |x: &PyTuple| Ok(serde_json::Value::Array(r#try!(
[INFO] [stdout]     |                                                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "b50c927cdf4ec1f6ac88bb06d439be8faed60f8f2eb642dfeb0ec4cff69067a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b50c927cdf4ec1f6ac88bb06d439be8faed60f8f2eb642dfeb0ec4cff69067a3", kill_on_drop: false }`
[INFO] [stdout] b50c927cdf4ec1f6ac88bb06d439be8faed60f8f2eb642dfeb0ec4cff69067a3