[INFO] fetching crate linux-rtic 0.1.1...
[INFO] checking linux-rtic-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate linux-rtic 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate linux-rtic 0.1.1 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 linux-rtic 0.1.1
[INFO] finished tweaking crates.io crate linux-rtic 0.1.1
[INFO] tweaked toml for crates.io crate linux-rtic 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate linux-rtic 0.1.1 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 tracing-log v0.1.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.29
[INFO] [stderr]   Downloaded tracing-attributes v0.1.18
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.2
[INFO] [stderr]   Downloaded crossbeam v0.8.1
[INFO] [stderr]   Downloaded spin v0.9.2
[INFO] [stderr]   Downloaded ctrlc v3.2.0
[INFO] [stderr]   Downloaded cc v1.0.70
[INFO] [stderr]   Downloaded cortex-m v0.7.3
[INFO] [stderr]   Downloaded nix v0.22.2
[INFO] [stderr]   Downloaded libc v0.2.103
[INFO] [stderr]   Downloaded syn v1.0.80
[INFO] [stderr]   Downloaded serde_json v1.0.68
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.25
[INFO] [stderr]   Downloaded embedded-hal v0.2.6
[INFO] [stderr]   Downloaded heapless v0.7.7
[INFO] [stderr]   Downloaded rtic-syntax v0.5.0-rc.1
[INFO] [stderr]   Downloaded pcp-mutex v0.2.0
[INFO] [stderr]   Downloaded critical-section v0.2.4
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.4
[INFO] [stderr]   Downloaded futex-queue v0.1.1
[INFO] [stderr]   Downloaded linux-rtic-macros v0.1.1
[INFO] [stderr]   Downloaded linux-futex v0.1.1
[INFO] [stderr]   Downloaded rtic-core v0.3.1
[INFO] [stderr]   Downloaded tracing-chrome v0.3.1
[INFO] [stderr]   Downloaded sharded-slab v0.1.3
[INFO] [stderr]   Downloaded smallvec v1.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6552b0d7daa7894909acfd8a0a7d6ea466d37fc9f4d453cf378279372d87c1b1
[INFO] running `Command { std: "docker" "start" "-a" "6552b0d7daa7894909acfd8a0a7d6ea466d37fc9f4d453cf378279372d87c1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6552b0d7daa7894909acfd8a0a7d6ea466d37fc9f4d453cf378279372d87c1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6552b0d7daa7894909acfd8a0a7d6ea466d37fc9f4d453cf378279372d87c1b1", kill_on_drop: false }`
[INFO] [stdout] 6552b0d7daa7894909acfd8a0a7d6ea466d37fc9f4d453cf378279372d87c1b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b25c1ebded2d2362f46464787e641eeafc7d26eb96d311d903e0fb579e239a85
[INFO] running `Command { std: "docker" "start" "-a" "b25c1ebded2d2362f46464787e641eeafc7d26eb96d311d903e0fb579e239a85", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling heapless v0.7.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking rtic-core v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking linux-futex v0.1.1
[INFO] [stderr]     Checking nix v0.22.2
[INFO] [stderr]     Checking futex-queue v0.1.1
[INFO] [stderr]     Checking pcp-mutex v0.2.0
[INFO] [stderr]     Checking ctrlc v3.2.0
[INFO] [stderr]    Compiling rtic-syntax v0.5.0-rc.1
[INFO] [stderr]    Compiling linux-rtic-macros v0.1.1
[INFO] [stderr]     Checking linux-rtic v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.60s
[INFO] running `Command { std: "docker" "inspect" "b25c1ebded2d2362f46464787e641eeafc7d26eb96d311d903e0fb579e239a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b25c1ebded2d2362f46464787e641eeafc7d26eb96d311d903e0fb579e239a85", kill_on_drop: false }`
[INFO] [stdout] b25c1ebded2d2362f46464787e641eeafc7d26eb96d311d903e0fb579e239a85
[INFO] checking linux-rtic-0.1.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate linux-rtic 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate linux-rtic 0.1.1 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 linux-rtic 0.1.1
[INFO] finished tweaking crates.io crate linux-rtic 0.1.1
[INFO] tweaked toml for crates.io crate linux-rtic 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate linux-rtic 0.1.1 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7e83201a38e768c8bcb7a50ca8731b95843012429018d7b04a46f6c8675824dd
[INFO] running `Command { std: "docker" "start" "-a" "7e83201a38e768c8bcb7a50ca8731b95843012429018d7b04a46f6c8675824dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e83201a38e768c8bcb7a50ca8731b95843012429018d7b04a46f6c8675824dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e83201a38e768c8bcb7a50ca8731b95843012429018d7b04a46f6c8675824dd", kill_on_drop: false }`
[INFO] [stdout] 7e83201a38e768c8bcb7a50ca8731b95843012429018d7b04a46f6c8675824dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4c0ebb27e5634126675c30b9b0da00ece240484f81ee81bd906d34028d447258
[INFO] running `Command { std: "docker" "start" "-a" "4c0ebb27e5634126675c30b9b0da00ece240484f81ee81bd906d34028d447258", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling heapless v0.7.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking rtic-core v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking linux-futex v0.1.1
[INFO] [stderr]     Checking nix v0.22.2
[INFO] [stderr]     Checking futex-queue v0.1.1
[INFO] [stderr]     Checking pcp-mutex v0.2.0
[INFO] [stderr]     Checking ctrlc v3.2.0
[INFO] [stderr]    Compiling rtic-syntax v0.5.0-rc.1
[INFO] [stderr]    Compiling linux-rtic-macros v0.1.1
[INFO] [stderr]     Checking linux-rtic v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.70s
[INFO] running `Command { std: "docker" "inspect" "4c0ebb27e5634126675c30b9b0da00ece240484f81ee81bd906d34028d447258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c0ebb27e5634126675c30b9b0da00ece240484f81ee81bd906d34028d447258", kill_on_drop: false }`
[INFO] [stdout] 4c0ebb27e5634126675c30b9b0da00ece240484f81ee81bd906d34028d447258