[INFO] cloning repository https://github.com/rajb16/rust-todo-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rajb16/rust-todo-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajb16%2Frust-todo-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajb16%2Frust-todo-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89d804e3e248d6807e674e8b4d276dcb78d52175
[INFO] checking rajb16/rust-todo-cli against try#8a0378607d6b34c242e3bfa75554871be641864b for pr-143028
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajb16%2Frust-todo-cli" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  30% (7364/24366)
Updating files:  31% (7554/24366)
Updating files:  32% (7798/24366)
Updating files:  33% (8041/24366)
Updating files:  34% (8285/24366)
Updating files:  35% (8529/24366)
Updating files:  36% (8772/24366)
Updating files:  37% (9016/24366)
Updating files:  38% (9260/24366)
Updating files:  39% (9503/24366)
Updating files:  40% (9747/24366)
Updating files:  41% (9991/24366)
Updating files:  42% (10234/24366)
Updating files:  43% (10478/24366)
Updating files:  44% (10722/24366)
Updating files:  45% (10965/24366)
Updating files:  46% (11209/24366)
Updating files:  47% (11453/24366)
Updating files:  48% (11696/24366)
Updating files:  49% (11940/24366)
Updating files:  50% (12183/24366)
Updating files:  51% (12427/24366)
Updating files:  52% (12671/24366)
Updating files:  53% (12914/24366)
Updating files:  54% (13158/24366)
Updating files:  55% (13402/24366)
Updating files:  56% (13645/24366)
Updating files:  57% (13889/24366)
Updating files:  58% (14133/24366)
Updating files:  59% (14376/24366)
Updating files:  60% (14620/24366)
Updating files:  61% (14864/24366)
Updating files:  62% (15107/24366)
Updating files:  63% (15351/24366)
Updating files:  64% (15595/24366)
Updating files:  65% (15838/24366)
Updating files:  66% (16082/24366)
Updating files:  67% (16326/24366)
Updating files:  68% (16569/24366)
Updating files:  69% (16813/24366)
Updating files:  70% (17057/24366)
Updating files:  71% (17300/24366)
Updating files:  72% (17544/24366)
Updating files:  73% (17788/24366)
Updating files:  74% (18031/24366)
Updating files:  75% (18275/24366)
Updating files:  76% (18519/24366)
Updating files:  77% (18762/24366)
Updating files:  78% (19006/24366)
Updating files:  79% (19250/24366)
Updating files:  80% (19493/24366)
Updating files:  81% (19737/24366)
Updating files:  82% (19981/24366)
Updating files:  83% (20224/24366)
Updating files:  84% (20468/24366)
Updating files:  85% (20712/24366)
Updating files:  86% (20955/24366)
Updating files:  87% (21199/24366)
Updating files:  88% (21443/24366)
Updating files:  89% (21686/24366)
Updating files:  90% (21930/24366)
Updating files:  91% (22174/24366)
Updating files:  92% (22417/24366)
Updating files:  93% (22661/24366)
Updating files:  94% (22905/24366)
Updating files:  95% (23148/24366)
Updating files:  96% (23392/24366)
Updating files:  97% (23636/24366)
Updating files:  98% (23879/24366)
Updating files:  99% (24123/24366)
Updating files: 100% (24366/24366)
Updating files: 100% (24366/24366), done.
[INFO] started tweaking git repo https://github.com/rajb16/rust-todo-cli
[INFO] finished tweaking git repo https://github.com/rajb16/rust-todo-cli
[INFO] tweaked toml for git repo https://github.com/rajb16/rust-todo-cli written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rajb16/rust-todo-cli on toolchain 8a0378607d6b34c242e3bfa75554871be641864b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rajb16/rust-todo-cli 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" "+8a0378607d6b34c242e3bfa75554871be641864b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] daada072078b10f16292a2d019401c0fd3f260f86d244d7e406b90aa7158168c
[INFO] running `Command { std: "docker" "start" "-a" "daada072078b10f16292a2d019401c0fd3f260f86d244d7e406b90aa7158168c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daada072078b10f16292a2d019401c0fd3f260f86d244d7e406b90aa7158168c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daada072078b10f16292a2d019401c0fd3f260f86d244d7e406b90aa7158168c", kill_on_drop: false }`
[INFO] [stdout] daada072078b10f16292a2d019401c0fd3f260f86d244d7e406b90aa7158168c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cdeeb4342a06dfa2945b9c2a266f01a17041f14cb8a2d9a638adb93cec1ec4f
[INFO] running `Command { std: "docker" "start" "-a" "1cdeeb4342a06dfa2945b9c2a266f01a17041f14cb8a2d9a638adb93cec1ec4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling serde_derive v1.0.151
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde v1.0.151
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1cdeeb4342a06dfa2945b9c2a266f01a17041f14cb8a2d9a638adb93cec1ec4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cdeeb4342a06dfa2945b9c2a266f01a17041f14cb8a2d9a638adb93cec1ec4f", kill_on_drop: false }`
[INFO] [stdout] 1cdeeb4342a06dfa2945b9c2a266f01a17041f14cb8a2d9a638adb93cec1ec4f