[INFO] fetching crate jomini_derive 0.2.3...
[INFO] checking jomini_derive-0.2.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate jomini_derive 0.2.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate jomini_derive 0.2.3 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jomini_derive 0.2.3
[INFO] finished tweaking crates.io crate jomini_derive 0.2.3
[INFO] tweaked toml for crates.io crate jomini_derive 0.2.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate jomini_derive 0.2.3 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dissimilar v1.0.7
[INFO] [stderr]   Downloaded basic-toml v0.1.4
[INFO] [stderr]   Downloaded trybuild v1.0.82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81cf5c911c4f1e1b89d1557d010c77de57859dc535861276eb75730d727efa83
[INFO] running `Command { std: "docker" "start" "-a" "81cf5c911c4f1e1b89d1557d010c77de57859dc535861276eb75730d727efa83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81cf5c911c4f1e1b89d1557d010c77de57859dc535861276eb75730d727efa83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81cf5c911c4f1e1b89d1557d010c77de57859dc535861276eb75730d727efa83", kill_on_drop: false }`
[INFO] [stdout] 81cf5c911c4f1e1b89d1557d010c77de57859dc535861276eb75730d727efa83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c255bc9cbd46f641d5ae9943fb9b693e08a35a650f40028101d21bf127551421
[INFO] running `Command { std: "docker" "start" "-a" "c255bc9cbd46f641d5ae9943fb9b693e08a35a650f40028101d21bf127551421", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]     Checking unicode-ident v1.0.11
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]    Compiling trybuild v1.0.82
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking dissimilar v1.0.7
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]     Checking quote v1.0.32
[INFO] [stderr]     Checking jomini_derive v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking basic-toml v0.1.4
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.20s
[INFO] running `Command { std: "docker" "inspect" "c255bc9cbd46f641d5ae9943fb9b693e08a35a650f40028101d21bf127551421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c255bc9cbd46f641d5ae9943fb9b693e08a35a650f40028101d21bf127551421", kill_on_drop: false }`
[INFO] [stdout] c255bc9cbd46f641d5ae9943fb9b693e08a35a650f40028101d21bf127551421
[INFO] checking jomini_derive-0.2.3 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate jomini_derive 0.2.3 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate jomini_derive 0.2.3 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jomini_derive 0.2.3
[INFO] finished tweaking crates.io crate jomini_derive 0.2.3
[INFO] tweaked toml for crates.io crate jomini_derive 0.2.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate jomini_derive 0.2.3 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f200b6bd312e9fd5a19651148562132c42dccd2a0d9234ec8c2fc3488dbc9ec
[INFO] running `Command { std: "docker" "start" "-a" "0f200b6bd312e9fd5a19651148562132c42dccd2a0d9234ec8c2fc3488dbc9ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f200b6bd312e9fd5a19651148562132c42dccd2a0d9234ec8c2fc3488dbc9ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f200b6bd312e9fd5a19651148562132c42dccd2a0d9234ec8c2fc3488dbc9ec", kill_on_drop: false }`
[INFO] [stdout] 0f200b6bd312e9fd5a19651148562132c42dccd2a0d9234ec8c2fc3488dbc9ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b35678a2ee9c07f72b68a5b4824dc2afcaaa26b8d5b651f03a775ee2e6be782
[INFO] running `Command { std: "docker" "start" "-a" "9b35678a2ee9c07f72b68a5b4824dc2afcaaa26b8d5b651f03a775ee2e6be782", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.11
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]    Compiling trybuild v1.0.82
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking dissimilar v1.0.7
[INFO] [stderr]     Checking quote v1.0.32
[INFO] [stderr]     Checking jomini_derive v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking basic-toml v0.1.4
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.87s
[INFO] running `Command { std: "docker" "inspect" "9b35678a2ee9c07f72b68a5b4824dc2afcaaa26b8d5b651f03a775ee2e6be782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b35678a2ee9c07f72b68a5b4824dc2afcaaa26b8d5b651f03a775ee2e6be782", kill_on_drop: false }`
[INFO] [stdout] 9b35678a2ee9c07f72b68a5b4824dc2afcaaa26b8d5b651f03a775ee2e6be782