[INFO] cloning repository https://github.com/jade-guiton/cantan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jade-guiton/cantan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjade-guiton%2Fcantan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjade-guiton%2Fcantan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18682cc6b92088e4be721db80bef7e7e9af7643f
[INFO] checking jade-guiton/cantan against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjade-guiton%2Fcantan" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jade-guiton/cantan on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jade-guiton/cantan
[INFO] finished tweaking git repo https://github.com/jade-guiton/cantan
[INFO] tweaked toml for git repo https://github.com/jade-guiton/cantan written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jade-guiton/cantan already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustyline v6.3.0
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded unicode-segmentation v1.6.0
[INFO] [stderr]   Downloaded peg-runtime v0.6.3
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded peg v0.6.3
[INFO] [stderr]   Downloaded once_cell v1.4.1
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded base64 v0.12.3
[INFO] [stderr]   Downloaded rand v0.8.0
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded getrandom v0.2.0
[INFO] [stderr]   Downloaded syn v1.0.46
[INFO] [stderr]   Downloaded nix v0.18.0
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded arrayvec v0.5.1
[INFO] [stderr]   Downloaded blake2b_simd v0.5.10
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.2
[INFO] [stderr]   Downloaded rust-argon2 v0.8.2
[INFO] [stderr]   Downloaded redox_users v0.3.5
[INFO] [stderr]   Downloaded cc v1.0.59
[INFO] [stderr]   Downloaded libc v0.2.77
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded peg-macros v0.6.3
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.10
[INFO] [stderr]   Downloaded rand_hc v0.3.0
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded rand_chacha v0.3.0
[INFO] [stderr]   Downloaded rand_core v0.6.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.57
[INFO] [stderr]   Downloaded dirs-sys-next v0.1.0
[INFO] [stderr]   Downloaded dirs-next v1.0.1
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded ordered-float v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc0c5b431397575bb0eab9919da27d2642a70ce1403082d53984cb78db232169
[INFO] running `Command { std: "docker" "start" "-a" "fc0c5b431397575bb0eab9919da27d2642a70ce1403082d53984cb78db232169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc0c5b431397575bb0eab9919da27d2642a70ce1403082d53984cb78db232169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc0c5b431397575bb0eab9919da27d2642a70ce1403082d53984cb78db232169", kill_on_drop: false }`
[INFO] [stdout] fc0c5b431397575bb0eab9919da27d2642a70ce1403082d53984cb78db232169
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23b6e24564a6a179c2ee8430e533fa08dc4198e3338dbd389846ff970749843a
[INFO] running `Command { std: "docker" "start" "-a" "23b6e24564a6a179c2ee8430e533fa08dc4198e3338dbd389846ff970749843a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking ordered-float v2.0.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking rand_core v0.6.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.0
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]    Compiling cantan_derive v0.1.0 (/opt/rustwide/workdir/cantan_derive)
[INFO] [stderr]     Checking rustyline v6.3.0
[INFO] [stderr]     Checking cantan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `as_any_mut` is never used
[INFO] [stdout]  --> src/types.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait AsAny {
[INFO] [stdout]   |           ----- method in this trait
[INFO] [stdout] 7 |     fn as_any(&self) -> &dyn Any;
[INFO] [stdout] 8 |     fn as_any_mut(&mut self) -> &mut dyn Any;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_sequence` and `get_callable` are never used
[INFO] [stdout]   --> src/objects.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait Object: Trace + DynTyped {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn get_sequence<'a>(&'a self) -> Option<SmartRef<'a, [Value]>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn get_callable(&self) -> Option<Callable> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_any_mut` is never used
[INFO] [stdout]  --> src/types.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait AsAny {
[INFO] [stdout]   |           ----- method in this trait
[INFO] [stdout] 7 |     fn as_any(&self) -> &dyn Any;
[INFO] [stdout] 8 |     fn as_any_mut(&mut self) -> &mut dyn Any;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_sequence` and `get_callable` are never used
[INFO] [stdout]   --> src/objects.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait Object: Trace + DynTyped {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn get_sequence<'a>(&'a self) -> Option<SmartRef<'a, [Value]>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn get_callable(&self) -> Option<Callable> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.80s
[INFO] running `Command { std: "docker" "inspect" "23b6e24564a6a179c2ee8430e533fa08dc4198e3338dbd389846ff970749843a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23b6e24564a6a179c2ee8430e533fa08dc4198e3338dbd389846ff970749843a", kill_on_drop: false }`
[INFO] [stdout] 23b6e24564a6a179c2ee8430e533fa08dc4198e3338dbd389846ff970749843a