[INFO] fetching crate ssb-legacy-msg-data 0.1.4...
[INFO] checking ssb-legacy-msg-data-0.1.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate ssb-legacy-msg-data 0.1.4 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ssb-legacy-msg-data 0.1.4 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ssb-legacy-msg-data 0.1.4
[INFO] finished tweaking crates.io crate ssb-legacy-msg-data 0.1.4
[INFO] tweaked toml for crates.io crate ssb-legacy-msg-data 0.1.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding encode_unicode v0.3.6 (latest: v1.0.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strtod2 v0.0.1
[INFO] [stderr]   Downloaded ryu-ecmascript v0.1.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a45f3d19f9e581bf4500b3bd1888ec38f47178a26b063dfc6c77d4a343ebaf79
[INFO] running `Command { std: "docker" "start" "-a" "a45f3d19f9e581bf4500b3bd1888ec38f47178a26b063dfc6c77d4a343ebaf79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a45f3d19f9e581bf4500b3bd1888ec38f47178a26b063dfc6c77d4a343ebaf79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a45f3d19f9e581bf4500b3bd1888ec38f47178a26b063dfc6c77d4a343ebaf79", kill_on_drop: false }`
[INFO] [stdout] a45f3d19f9e581bf4500b3bd1888ec38f47178a26b063dfc6c77d4a343ebaf79
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8351bd5d95e9638cfc32fc358652a76eeb23237a4576d60ee2368fb5fae423f
[INFO] running `Command { std: "docker" "start" "-a" "d8351bd5d95e9638cfc32fc358652a76eeb23237a4576d60ee2368fb5fae423f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu-ecmascript v0.1.1
[INFO] [stderr]     Checking strtod2 v0.0.1
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking ssb-legacy-msg-data v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `base64` is imported redundantly
[INFO] [stdout]   --> src/json/de.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use base64;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | extern crate base64;
[INFO] [stdout]    | -------------------- the item `base64` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `base64` is imported redundantly
[INFO] [stdout]   --> src/json/de.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use base64;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | extern crate base64;
[INFO] [stdout]    | -------------------- the item `base64` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `base64` is imported redundantly
[INFO] [stdout]   --> src/json/ser.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use base64;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | extern crate base64;
[INFO] [stdout]    | -------------------- the item `base64` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `base64` is imported redundantly
[INFO] [stdout]   --> src/json/ser.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use base64;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | extern crate base64;
[INFO] [stdout]    | -------------------- the item `base64` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ryu_ecmascript` is imported redundantly
[INFO] [stdout]   --> src/json/ser.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use ryu_ecmascript;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern crate ryu_ecmascript;
[INFO] [stdout]    | ---------------------------- the item `ryu_ecmascript` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ryu_ecmascript` is imported redundantly
[INFO] [stdout]   --> src/json/ser.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use ryu_ecmascript;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern crate ryu_ecmascript;
[INFO] [stdout]    | ---------------------------- the item `ryu_ecmascript` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "d8351bd5d95e9638cfc32fc358652a76eeb23237a4576d60ee2368fb5fae423f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8351bd5d95e9638cfc32fc358652a76eeb23237a4576d60ee2368fb5fae423f", kill_on_drop: false }`
[INFO] [stdout] d8351bd5d95e9638cfc32fc358652a76eeb23237a4576d60ee2368fb5fae423f
[INFO] checking ssb-legacy-msg-data-0.1.4 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate ssb-legacy-msg-data 0.1.4 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate ssb-legacy-msg-data 0.1.4 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ssb-legacy-msg-data 0.1.4
[INFO] finished tweaking crates.io crate ssb-legacy-msg-data 0.1.4
[INFO] tweaked toml for crates.io crate ssb-legacy-msg-data 0.1.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e1b6c70b22f691201fff5087ea95c19d66b95f5c978b20d68be109d8363e6a3
[INFO] running `Command { std: "docker" "start" "-a" "1e1b6c70b22f691201fff5087ea95c19d66b95f5c978b20d68be109d8363e6a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e1b6c70b22f691201fff5087ea95c19d66b95f5c978b20d68be109d8363e6a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e1b6c70b22f691201fff5087ea95c19d66b95f5c978b20d68be109d8363e6a3", kill_on_drop: false }`
[INFO] [stdout] 1e1b6c70b22f691201fff5087ea95c19d66b95f5c978b20d68be109d8363e6a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95a9b5133d5d24178a723c47bb1ae380613ad238ae7cffcce6d7c1c30542d775
[INFO] running `Command { std: "docker" "start" "-a" "95a9b5133d5d24178a723c47bb1ae380613ad238ae7cffcce6d7c1c30542d775", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu-ecmascript v0.1.1
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking strtod2 v0.0.1
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/strtod2-0.0.1/src/lib.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 |             panic!();
[INFO] [stdout]    |             ^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `strtod2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "95a9b5133d5d24178a723c47bb1ae380613ad238ae7cffcce6d7c1c30542d775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a9b5133d5d24178a723c47bb1ae380613ad238ae7cffcce6d7c1c30542d775", kill_on_drop: false }`
[INFO] [stdout] 95a9b5133d5d24178a723c47bb1ae380613ad238ae7cffcce6d7c1c30542d775