[INFO] fetching crate canvasapi 0.5.0...
[INFO] testing canvasapi-0.5.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate canvasapi 0.5.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate canvasapi 0.5.0
[INFO] finished tweaking crates.io crate canvasapi 0.5.0
[INFO] tweaked toml for crates.io crate canvasapi 0.5.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate canvasapi 0.5.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate canvasapi 0.5.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-stream v0.1.11
[INFO] [stderr]   Downloaded async-stream-impl v0.3.3
[INFO] [stderr]   Downloaded async-stream v0.3.3
[INFO] [stderr]   Downloaded winreg v0.10.1
[INFO] [stderr]   Downloaded tokio-test v0.4.2
[INFO] [stderr]   Downloaded tokio-native-tls v0.3.0
[INFO] [stderr]   Downloaded native-tls v0.2.11
[INFO] [stderr]   Downloaded futures-task v0.3.25
[INFO] [stderr]   Downloaded http-body v0.4.5
[INFO] [stderr]   Downloaded dotenv v0.15.0
[INFO] [stderr]   Downloaded futures-channel v0.3.25
[INFO] [stderr]   Downloaded futures-sink v0.3.25
[INFO] [stderr]   Downloaded indexmap v1.9.2
[INFO] [stderr]   Downloaded ipnet v2.7.0
[INFO] [stderr]   Downloaded tokio-util v0.7.4
[INFO] [stderr]   Downloaded http v0.2.8
[INFO] [stderr]   Downloaded reqwest v0.11.13
[INFO] [stderr]   Downloaded futures-util v0.3.25
[INFO] [stderr]   Downloaded hyper v0.14.23
[INFO] [stderr]   Downloaded h2 v0.3.15
[INFO] [stderr]   Downloaded httpdate v1.0.2
[INFO] [stderr]   Downloaded linux-raw-sys v0.1.3
[INFO] [stderr]   Downloaded encoding_rs v0.8.31
[INFO] [stderr]   Downloaded openssl v0.10.44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bbea656f673b1d5ffb3ecaa5eb4b4f89bfe54337ee3c97b65f0e5dab8bfd9c5
[INFO] running `Command { std: "docker" "start" "-a" "0bbea656f673b1d5ffb3ecaa5eb4b4f89bfe54337ee3c97b65f0e5dab8bfd9c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bbea656f673b1d5ffb3ecaa5eb4b4f89bfe54337ee3c97b65f0e5dab8bfd9c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bbea656f673b1d5ffb3ecaa5eb4b4f89bfe54337ee3c97b65f0e5dab8bfd9c5", kill_on_drop: false }`
[INFO] [stdout] 0bbea656f673b1d5ffb3ecaa5eb4b4f89bfe54337ee3c97b65f0e5dab8bfd9c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c2432cc9b1baac3aa1c8c573ed95d5b97349c39a36c32331493cb0cc8c08614
[INFO] running `Command { std: "docker" "start" "-a" "7c2432cc9b1baac3aa1c8c573ed95d5b97349c39a36c32331493cb0cc8c08614", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling bytes v1.3.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling openssl v0.10.44
[INFO] [stderr]    Compiling serde_derive v1.0.150
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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]    Compiling serde v1.0.150
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling rustix v0.36.5
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]    Compiling linux-raw-sys v0.1.3
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling idna v0.3.0
[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" "7c2432cc9b1baac3aa1c8c573ed95d5b97349c39a36c32331493cb0cc8c08614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c2432cc9b1baac3aa1c8c573ed95d5b97349c39a36c32331493cb0cc8c08614", kill_on_drop: false }`
[INFO] [stdout] 7c2432cc9b1baac3aa1c8c573ed95d5b97349c39a36c32331493cb0cc8c08614
