[INFO] fetching crate astack 0.3.2...
[INFO] checking astack-0.3.2 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate astack 0.3.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate astack 0.3.2 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate astack 0.3.2
[INFO] finished tweaking crates.io crate astack 0.3.2
[INFO] tweaked toml for crates.io crate astack 0.3.2 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5008bdf71e9e20f39f10609460c4f9725597f688d2c8b1a7631790de85116ec9
[INFO] running `Command { std: "docker" "start" "-a" "5008bdf71e9e20f39f10609460c4f9725597f688d2c8b1a7631790de85116ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5008bdf71e9e20f39f10609460c4f9725597f688d2c8b1a7631790de85116ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5008bdf71e9e20f39f10609460c4f9725597f688d2c8b1a7631790de85116ec9", kill_on_drop: false }`
[INFO] [stdout] 5008bdf71e9e20f39f10609460c4f9725597f688d2c8b1a7631790de85116ec9
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad7f03febca8e92dfe7e790c9336822ffa3a5d31d876459f6aea805404e0fc63
[INFO] running `Command { std: "docker" "start" "-a" "ad7f03febca8e92dfe7e790c9336822ffa3a5d31d876459f6aea805404e0fc63", kill_on_drop: false }`
[INFO] [stderr]     Checking astack v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `astack::StackError: std::error::Error` is not satisfied
[INFO] [stdout]    --> tests/tests.rs:209:23
[INFO] [stdout]     |
[INFO] [stdout] 209 |         accepts_error(&StackError::Overflow);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `astack::StackError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for the cast from `&astack::StackError` to `&dyn std::error::Error`
[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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `astack` (test "tests") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ad7f03febca8e92dfe7e790c9336822ffa3a5d31d876459f6aea805404e0fc63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7f03febca8e92dfe7e790c9336822ffa3a5d31d876459f6aea805404e0fc63", kill_on_drop: false }`
[INFO] [stdout] ad7f03febca8e92dfe7e790c9336822ffa3a5d31d876459f6aea805404e0fc63
[INFO] checking astack-0.3.2 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate astack 0.3.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate astack 0.3.2 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate astack 0.3.2
[INFO] finished tweaking crates.io crate astack 0.3.2
[INFO] tweaked toml for crates.io crate astack 0.3.2 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8f4564879b9e7ddebb57b933e5c2eb0713f73857ccabecf3c3fbf58d02cc9ba
[INFO] running `Command { std: "docker" "start" "-a" "a8f4564879b9e7ddebb57b933e5c2eb0713f73857ccabecf3c3fbf58d02cc9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8f4564879b9e7ddebb57b933e5c2eb0713f73857ccabecf3c3fbf58d02cc9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8f4564879b9e7ddebb57b933e5c2eb0713f73857ccabecf3c3fbf58d02cc9ba", kill_on_drop: false }`
[INFO] [stdout] a8f4564879b9e7ddebb57b933e5c2eb0713f73857ccabecf3c3fbf58d02cc9ba
[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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4b94985be7cfa25a9674bf1a8c32357aded552e05451284cb8decff958ef771
[INFO] running `Command { std: "docker" "start" "-a" "d4b94985be7cfa25a9674bf1a8c32357aded552e05451284cb8decff958ef771", kill_on_drop: false }`
[INFO] [stderr]     Checking astack v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `astack::StackError: std::error::Error` is not satisfied
[INFO] [stdout]    --> tests/tests.rs:209:23
[INFO] [stdout]     |
[INFO] [stdout] 209 |         accepts_error(&StackError::Overflow);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `astack::StackError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for the cast from `&astack::StackError` to `&dyn std::error::Error`
[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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `astack` (test "tests") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d4b94985be7cfa25a9674bf1a8c32357aded552e05451284cb8decff958ef771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4b94985be7cfa25a9674bf1a8c32357aded552e05451284cb8decff958ef771", kill_on_drop: false }`
[INFO] [stdout] d4b94985be7cfa25a9674bf1a8c32357aded552e05451284cb8decff958ef771
